Gas Agency Management System

Karuna YadavPGDCA-IIIrd Sem.Roll No.-

CERTIFICATE

This is to certify that the project report entitled, “Gas Agency Management

System” submitted by Ms. Karuna Yadav, for the partial fulfillment of the

requirements of Post Graduate Diploma in Computer Applications (P.G.D.C.A.)

embodies the work done by her during semester III of this course under due

supervision of the supervisior from this college.

Date : Karuna Yadav Roll No.

( Internal Supervisor ) ( Institute supervisor )Dept. of Computer Science Sri Guru Singh Sabha Institute of A.N.D.C. Information Technology.University of Delhi Jangpura Ext., New DelhiDelhi-110018

Principal ( HOD )A.N.D.C. Dept. of Computer ScienceUniversity of Delhi A.N.D.C.Delhi-110019 University of Delhi Delhi-110018

Acknowledgement

This project is being the Ist live project made by me in the duration of this course (PGDCA) is an unforgettable experience. I would like to thank all of them who were associated with me in making this project a success.

I would like to thank Mr. R. K. Sharma and Ms. Sonia Sodhi of SGSS-IIT, Jangpura Ext., New Delhi, who helped me in completion of this project. They had to answer all queries and an unconditional support that provided me without which it would have been impossible to do this project

I heartily thank my faculty Ms.Sharanjeet Kaur and Preeti Marwah who gave me the hope and inspiration to go ahead with this project. I would like to thank my friends for their innovative ideas & views and for that timely assistance which they provided during the course of this project.

I would also like to thank my parents for their blessing and assistance they provided to me during the course of this project; And last but not the least I would like to thank almighty god for what ever he provided me and made this project a success.

Karuna YadavPGDCA-IIIrd Sem.Roll No.-

Table of Content

1. Introduction

About Company About Project

2. Objective

3. Data Structure

4. Hardware/Software Specification

5. Context Free Diagram

6. DFDs

7. Structure of the program

8. Program Listing/Coding

9. Output/Report Generation

10. Validation Checks

11. Screen Shots

12. Working of the Project/User Manual

13. Conclusion

About Company

Sri Guru Singh Sabha Institute of Information Technology (SGSS-IIT) is an Associate institute of Guru Nanak Dev University, Amritsar "GNDU is a 35 Years old UGC approved Government University" under the management of Sri Guru Singh Sabha (Regd.) Gurdwara Jangpura Extension. At the institute, it is our goal to enable under graduate and graduate to possess a strong theoretical, practical and experimental foundation in the basic discipline of IT and Management. The Institute has been paying special attention to the development of student in professional values of fairness, objectively, comparison, commitment and super coordination. They are turned to the needs and demands of business and industry not only through the state of art inputs but also through carefully designed co-curricular programmes like leadership and personality development programme. The institute is proud to have unstinted support of Sri Guru Singh Sabha (Regd.) Gurdwara Jangpura Extn., Which is the parent body, the Advisory Committee consisting of eminent leaders from academics, busines, industry, government and professionals who guide and help SGSS-IIT in the best interest of the participants and for achieving the objective of the Institute.

The institute is establised to provide higher education to the weaker section of society and it is a voluntary effort and is being run on "No Profit" motive. SGSS has always felt very strongly that in view of its mission and goals, it is in crucial position to play a significant role in providing education to young men and women.

The Main objective of the institute are:

To provide the best possible professional education to ambitious young students.

To give them an exposure to prevailing best environment in India and abroad.

To develop a professinal min-set reflecting a secure self-image, creativeness, leadership, high commitment, sensitive and dynamic role so as to imbibe appropriate technology and mangement styles for practice of management.

To develop expertise to face the emerging competitive situtation in India and abroad.

The Institute seeks to groom students to combine the use to technical skills with the understanding of the socio-cultural system to emerge as leaders in their fields and make significant contribution through excellent mangement in all sectors of the society.

About Project

The Gas Agencies and the number of gas users are seems to

increasing day by day. The transactions like booking gas, releasing

gas, keeping records of all customers, stock maintaining etc. when

being processed manually take up a lot of time and thus add to the

problems of the management. And thus to keep track of the

transactions of the gas agency, a software package seems to be best

way as it will speed up the work time and lessen up the

complexities of the management. In simple language the project

provides such user friendliness and easy understandability that

even a novice user will find it easy to use the package and grasp its

essence.

Objective

Objective of this software is to computerize the manual system of a

Gas Agency, so that all the transactions become fast and easy. It

replaces all the paper work. It works according to the need and

lowers the work load of user.

Data Structure

Five tables have been used in this project to store data:

1. tblConsumer : Keeps record of consumer.

ConsumerNo : Unique code allotted to every consumer.

Name : Name of the consumer.

Address : Address of the consumer.

Pin : Pin code of the location.

Phone : Phone no. of the consumer.

DoC : Date of connection.

Cylinders : No. of cylinders consumer have.

CylinderType : Type of cylinder – Domestic/Commercial

2. tblConsumerTrans : Keeps record of gas booking and release.

Slno : Serial no.

ConsumerNo : Unique code allotted to every consumer.

DateofBooking : Date of gas booking.

DateofRelease : Date of releasing the gas to consumer.

IsReleased : Flag variable containing value yes or no.

Remarks : Any remarks for the booking.

3. tblPrice : Keeps record of cylinder price.

CylinderType : Type of cylinder – Domestic/Consumer

Price : Price of the cylinder.

4. tblStock : Keeps record of Stock.

CurrCommercial : Current stock for commercial cylinders

CurrDomestic : Current stock for domestic cylinders

DefectsCommercial : Stock for defective commercial cylinders

DefectsDomestic : Stock for defective domestic cylinders

5. tblStockTrans : Keeps record Stock arrival.

DoA : Date of stock arrival.

Domestic : No. of Domestic cylinders added in stock

Commercial : No. of Commercial cylinder added in stock

Hardware/Software Specifications

Hardware Requirements

There are very few hardware requirements of this Gas Agency Management

System (GAMS), let’s take a glimpse on these requirements

Machine Requirements

These machine requirements are to obtain the best output of this project

i. A Computer with at least Pentium III requirements and Printer portii. Graphic card with minimum 24 bit True/High colors

iii. Minimum 128 MB RAM iv. A Printer (colored or black and white)

Software Requirements

These Software requirements should be fulfilled or say these software

should be installed on the computer to obtain the best output of this project

i. Visual Basic 6.0ii. Windows Platform (Windows 9X, ME, 2000, XP)

iii. Microsoft Office (With MS-Access)iv. Printer Driver or Software

There are many points on the basis of which I decided to use Visual Basic

for the development of this project, what are these points lets take a glimpse

on to that

Context Free Diagram

GasAgencySystem

Booking Status Report

Getting Consumer Details

Getting Stock Details Current Stock

Report

First Level DFD

Details of Consumer

Stock Transaction File1

Processing & calculating

current Stock

Updating Stock master

Updated Stock Master File

Getting Current stock

status

Temporary storage of File

Display current stock

status

Third Level DFD

Booking details

Validating Consumer No.

and date of booking

Consumer Transaction File

Updating Consumer Master file

Updated Consumer Master File

Gas Release Details

Validating Consumer No.

and date of Release

Updating Stock master

Updating Consumer Master file

Updating Consumer

Transaction file

Updated Stock Master File

Updated Consumer Master File

Updated Consumer Transaction File

Booking Status &

release Details

Temporary storage of File

Formatted booking

status report

Structure of the Program

FORMS IN THE PROJECT:

frmAddConsumer : To add new consumer records in the file.

frmAddStock : To add new stock of cylinders in the file.

frmBooking : To book gas to the consumer.

frmChangePassword : To change password for the project.

FrmDaily : To display daily booking report.

frmDelConsumer : To delete the existing record of the

consumer.

frmMain : It is the first form displayed in the

starting, asks for the password to enter.

frmMenu : This form displays the menu and calls all

other forms.

frmModConsumer : To modify consumer record.

frmMonthly : To display monthly booking status

report.

frmPriceEntry : To add/change price of the cylinder.

frmPrintBill : To print bill for the released gas.

frmRelease : To release the booked gas.

frmViewConsumer : To display record of consumer.

frmViewStock : To display current status of the stock.

Coding

frmAddConsumer

Private Sub cmdExit_Click()Unload MeEnd Sub

Private Sub cmdSave_Click()If Me.txtConsumerNo.Text = "" Then MsgBox "Please input Consumer No." Me.txtConsumerNo.SetFocus Exit SubEnd IfIf Not IsNumeric(Me.txtConsumerNo.Text) Then MsgBox "Please input Numeric value." Me.txtConsumerNo.SetFocus Exit SubEnd IfDim rsDuplicate As New ADODB.RecordsetrsDuplicate.Open "select ConsumerNo from tblConsumer where ConsumerNo=" & Me.txtConsumerNo.Text, con, adOpenDynamicIf Not rsDuplicate.EOF Then MsgBox "Consumer No. already exists." Me.txtConsumerNo.SetFocus Exit SubEnd IfrsDuplicate.CloseSet rsDuplicate = NothingIf Me.txtDoC.Text = "" Then MsgBox "Please input Date of Connection." Me.txtDoC.SetFocus Exit SubEnd IfIf Not IsDate(Me.txtDoC.Text) Then

MsgBox "Please input valid Date." Me.txtDoC.SetFocus Exit SubEnd IfIf Me.txtName.Text = "" Then MsgBox "Please input Name" Me.txtName.SetFocus Exit SubEnd IfIf Me.txtAddress1.Text = "" Then MsgBox "Please input Address." Me.txtAddress1.SetFocus Exit SubEnd IfIf Me.txtCylinders.Text = "" Then MsgBox "Please input No. of Cylinders." Me.txtCylinders.SetFocus Exit SubEnd IfIf Not IsNumeric(Me.txtCylinders.Text) Then MsgBox "Please input Numeric value." Me.txtCylinders.SetFocus Exit SubEnd IfIf Me.txtCylinders.Text < 0 Or Me.txtCylinders.Text > 2 Then MsgBox "Please input between 0..2" Me.txtCylinders.SetFocus Exit SubEnd IfIf Me.opDomestic.Value = True Then ctype = "D"Else ctype = "C"End If

con.Execute "insert into tblConsumer(ConsumerNo,Name,Address1,Address2,Address3,Pin,Phone,DoC,Cylinders,CylinderType) values(" & Me.txtConsumerNo.Text & ",'" & Me.txtName.Text & "','" & Me.txtAddress1.Text & "','" & Me.txtAddress2.Text & "','" & Me.txtAddress3.Text & "','" &

Me.txtPin.Text & "','" & Me.txtPhone.Text & "','" & Me.txtDoC.Text & "'," & Me.txtCylinders.Text & ",'" & ctype & "')"

MsgBox "Record Saved."End SubPrivate Sub Form_Load()Me.txtDoC.Text = DateEnd Sub

frmAddStock

Private Sub cmdNew_Click()If Me.cmdNew.Caption = "New Stock" Then Me.cmdNew.Caption = "Update" Me.txtArrival.Enabled = True Me.txtRecCommercial.Enabled = True Me.txtRecDomestic.Enabled = True Me.txtDefCommercial.Enabled = True Me.txtDefDomestic.Enabled = True Me.txtArrival.Text = Date Me.txtRecCommercial.Text = "0" Me.txtRecDomestic.Text = "0" Dim rsfill As New ADODB.Recordset rsfill.Open "select * from tblStock", con, adOpenDynamic If rsfill.EOF Then Me.txtOldCommercial.Text = "0" Me.txtOldDomestic.Text = "0" Me.txtCurrCommercial.Text = "0" Me.txtCurrDomestic.Text = "0" Me.txtDefCommercial.Text = "0" Me.txtDefDomestic.Text = "0" Else

Me.txtOldCommercial.Text = rsfill("CurrCommercial") Me.txtOldDomestic.Text = rsfill("CurrDomestic") Me.txtCurrCommercial.Text = rsfill("CurrCommercial") Me.txtCurrDomestic.Text = rsfill("CurrDomestic") Me.txtDefCommercial.Text = rsfill("DefectsCommercial") Me.txtDefDomestic.Text = rsfill("DefectsDomestic") End If rsfill.Close Set rsfill = Nothing Me.txtArrival.SetFocusElse If Me.txtArrival.Text = "" Then MsgBox "Please input Arrival Date" Me.txtArrival.SetFocus Exit Sub End If If Not IsDate(Me.txtArrival.Text) Then MsgBox "Please input valid Date" Me.txtArrival.SetFocus Exit Sub End If If Me.txtRecCommercial.Text = "" Then MsgBox "Please input Required Field" Me.txtRecCommercial.SetFocus Exit Sub End If If Not IsNumeric(Me.txtRecCommercial.Text) Then MsgBox "Please input numeric data" Me.txtRecCommercial.SetFocus Exit Sub End If If Me.txtRecDomestic.Text = "" Then MsgBox "Please input Required Field" Me.txtRecDomestic.SetFocus Exit Sub End If If Not IsNumeric(Me.txtRecDomestic.Text) Then MsgBox "Please input numeric data" Me.txtRecDomestic.SetFocus Exit Sub

End If If Me.txtDefCommercial.Text = "" Then MsgBox "Please input Required Field" Me.txtDefCommercial.SetFocus Exit Sub End If If Not IsNumeric(Me.txtDefCommercial.Text) Then MsgBox "Please input numeric data" Me.txtDefCommercial.SetFocus Exit Sub End If If Me.txtDefDomestic.Text = "" Then MsgBox "Please input Required Field" Me.txtDefDomestic.SetFocus Exit Sub End If If Not IsNumeric(Me.txtDefDomestic.Text) Then MsgBox "Please input numeric data" Me.txtDefDomestic.SetFocus Exit Sub End If con.Execute "delete from tblStock" con.Execute "insert into tblStock(CurrCommercial,CurrDomestic,DefectsCommercial,DefectsDomestic) values(" & Me.txtCurrCommercial.Text & "," & Me.txtCurrDomestic.Text & "," & Me.txtDefCommercial.Text & "," & Me.txtDefDomestic.Text & ")" con.Execute "insert into tblStockTrans(DoA,Commercial,Domestic) values('" & Me.txtArrival.Text & "'," & Me.txtRecCommercial.Text & "," & Me.txtRecDomestic.Text & ")" MsgBox "Record Saved" Me.txtArrival.Text = "" Me.txtRecCommercial.Text = "" Me.txtRecDomestic.Text = "" Me.txtDefCommercial.Text = "" Me.txtDefDomestic.Text = "" Me.txtArrival.Enabled = False Me.txtRecCommercial.Enabled = False Me.txtRecDomestic.Enabled = False Me.txtDefCommercial.Enabled = False Me.txtDefDomestic.Enabled = False

Me.cmdNew.Caption = "New Stock"End IfEnd Sub

Private Sub Form_Load()Me.txtArrival.Enabled = FalseMe.txtRecCommercial.Enabled = FalseMe.txtRecDomestic.Enabled = FalseMe.txtDefCommercial.Enabled = FalseMe.txtDefDomestic.Enabled = FalseEnd Sub

Private Sub txtRecCommercial_Change()Me.txtCurrCommercial.Text = Val(Me.txtRecCommercial.Text) + Val(Me.txtOldCommercial.Text)End Sub

Private Sub txtRecDomestic_Change()Me.txtCurrDomestic.Text = Val(Me.txtRecDomestic.Text) + Val(Me.txtOldDomestic.Text)End Sub

frmBooking

Dim ctype As StringPrivate Sub cmbConsumerNo_Click()

Me.txtLSlno.Text = ""Me.txtLType.Text = ""Me.txtLDoB.Text = ""Me.txtLReleased.Text = ""Me.txtLDoR.Text = ""Me.txtLRemarks.Text = ""

Dim rsfill As New ADODB.Recordsetrsfill.Open "select * from tblConsumer where ConsumerNo = " & Me.cmbConsumerNo.Text, con, adOpenDynamicIf Not rsfill.EOF Then Me.txtName.Text = rsfill("Name") Me.txtAddress1.Text = rsfill("Address1") Me.txtAddress2.Text = rsfill("Address2") Me.txtAddress3.Text = rsfill("Address3") Me.txtPin.Text = rsfill("Pin") Me.txtPhone.Text = rsfill("Phone") Me.txtCylinders.Text = rsfill("Cylinders") If UCase(rsfill("CylinderType")) = "D" Then ctype = "Domestic" Else ctype = "Commercial" End IfEnd Ifrsfill.Close

Me.cmdBook.Enabled = FalseMe.lblStatus.Caption = ""

Dim rsStock As New ADODB.RecordsetrsStock.Open "select * from tblStock", con, adOpenDynamicIf rsStock.EOF Then Me.cmdBook.Enabled = False Me.lblStatus.Caption = "Cannot book Gas. Stock Not Available"

Exit SubElse If (ctype = "Domestic" And rsStock("CurrDomestic") <= 0) Or (ctype = "Commercial" And rsStock("CurrCommercial") <= 0) Then Me.cmdBook.Enabled = False Me.lblStatus.Caption = "Cannot book Gas. Stock Not Available" Exit Sub End IfEnd IfrsStock.CloseSet rsStock = Nothing

rsfill.Open "select * from tblConsumerTrans where ConsumerNo = " & Me.cmbConsumerNo.Text & " order by DateofBooking desc", con, adOpenDynamicIf Not rsfill.EOF Then Me.txtLSlno.Text = rsfill("Slno") Me.txtLType.Text = ctype Me.txtLDoB.Text = rsfill("DateofBooking") If rsfill("IsReleased") = 1 Then Me.txtLReleased.Text = "Yes" Else Me.txtLReleased.Text = "No" End If If IsNull(rsfill("DateofRelease")) Then Me.txtLDoR.Text = "" Else Me.txtLDoR.Text = rsfill("DateofRelease") End If If IsNull(rsfill("remarks")) Then Me.txtLRemarks.Text = "" Else Me.txtLRemarks.Text = rsfill("Remarks") End If If Me.txtLReleased.Text = "No" Then Me.lblStatus.Caption = "Cannot Book Gas. Previous Booking is not released." Me.cmdBook.Enabled = False Else Me.cmdBook.Enabled = True

End IfElse Me.txtLSlno.Text = "" Me.txtLType.Text = "" Me.txtLDoB.Text = "" Me.txtLReleased.Text = "" Me.txtLDoR.Text = "" Me.txtLRemarks.Text = "" Me.cmdBook.Enabled = TrueEnd If

rsfill.CloseSet rsfill = NothingEnd Sub

Private Sub cmdBook_Click()If Me.cmbConsumerNo.Text = "" Then MsgBox "Please input Consumer No." Me.cmbConsumerNo.SetFocus Exit SubEnd IfIf Not IsNumeric(Me.cmbConsumerNo.Text) Then MsgBox "Please input Numeric value." Me.cmbConsumerNo.SetFocus Exit SubEnd IfDim rsDuplicate As New ADODB.RecordsetrsDuplicate.Open "select ConsumerNo from tblConsumer where ConsumerNo=" & Me.cmbConsumerNo.Text, con, adOpenDynamicIf rsDuplicate.EOF Then MsgBox "Consumer No. does not exist." Me.cmbConsumerNo.SetFocus Exit SubEnd IfrsDuplicate.CloseSet rsDuplicate = NothingIf Me.txtDoB.Text = "" Then MsgBox "Please input date of booking" Me.txtDoB.SetFocus Exit Sub

End IfIf Not IsDate(Me.txtDoB.Text) Then MsgBox "Please input valid date" Me.txtDoB.SetFocus Exit SubEnd IfIf Me.txtLReleased.Text = "Yes" Then d = DateDiff("d", Me.txtLDoR.Text, Me.txtDoB.Text) If d <= 21 Then MsgBox "Cannot Book gas. Booking could be done after 21 days of previous booking." Me.txtDoB.SetFocus Exit Sub End IfEnd If

Dim tSlno As IntegerDim rsSlno As New ADODB.RecordsetrsSlno.Open "select Slno from tblConsumerTrans order by Slno desc", con, adOpenDynamicIf rsSlno.EOF Then tSlno = 1Else tSlno = rsSlno("Slno") + 1End IfrsSlno.CloseSet rsSlno = Nothing

con.Execute "insert into tblConsumerTrans(Slno,ConsumerNo,DateofBooking,IsReleased,Remarks) values(" & tSlno & "," & Me.cmbConsumerNo.Text & ",'" & Me.txtDoB.Text & "',0,'" & Me.txtRemarks.Text & "')"MsgBox "Gas Booked"Me.cmbConsumerNo.ListIndex = 0End Sub

Private Sub Form_Load()Dim rsfill As New ADODB.Recordsetrsfill.Open "select ConsumerNo from tblConsumer order by ConsumerNo", con, adOpenDynamicDo While Not rsfill.EOF Me.cmbConsumerNo.AddItem rsfill("ConsumerNo") rsfill.MoveNextLoopIf Me.cmbConsumerNo.ListCount <> 0 Then Me.cmbConsumerNo.ListIndex = 0End Ifrsfill.CloseSet rsfill = Nothing'Me.cmdBook.Enabled = FalseMe.txtDoB.Text = DateEnd Sub

frmChangePassword

Private Sub cmdOk_Click()Dim rsPass As New ADODB.RecordsetrsPass.Open "select Password from Pass", con, adOpenDynamicIf rsPass("Password") <> Me.txtOld.Text Then MsgBox "Invalid Password." Me.txtOld.SetFocus Exit SubElseIf Me.txtNew.Text <> Me.txtConfirm.Text Then MsgBox "Invalid Password." Me.txtConfirm.SetFocus Exit SubElse con.Execute "update Pass set Password = '" & Me.txtNew.Text & "'" MsgBox "Password Changed" Unload MeEnd If

End Sub

Private Sub Form_Load()

End Sub

frmDaily

Private Sub cmdPreview_Click()If Not IsDate(Me.txtDate.Text) Then MsgBox "Please input valid date" Me.txtDate.SetFocus Exit SubEnd IfDim rsfill As New ADODB.Recordsetrsfill.Open "select count(*) as bdomestic from qryBill where CylinderType='D' and DateofBooking=cdate('" & Me.txtDate.Text & "')", con, adOpenDynamicbdomestic = rsfill("bdomestic")rsfill.Closersfill.Open "select count(*) as bcommercial from qryBill where CylinderType='C' and DateofBooking=cdate('" & Me.txtDate.Text & "')", con, adOpenDynamicbcommercial = rsfill("bcommercial")rsfill.Closersfill.Open "select count(*) as rdomestic from qryBill where CylinderType='D' and IsReleased=1 and DateofBooking=cdate('" & Me.txtDate.Text & "')", con, adOpenDynamicrdomestic = rsfill("rdomestic")rsfill.Closersfill.Open "select count(*) as rcommercial from qryBill where CylinderType='C' and IsReleased=1 and DateofBooking=cdate('" & Me.txtDate.Text & "')", con, adOpenDynamicrcommercial = rsfill("rcommercial")rsfill.CloseSet rsfill = Nothingcon.Execute "delete from count"con.Execute "insert into count(bdomestic,bcommercial,rdomestic,rcommercial) values(" & bdomestic & "," & bcommercial & "," & rdomestic & "," & rcommercial & ")"

MsgBox "Preview Report"

Dim acApp As Access.ApplicationSet acApp = New Access.ApplicationacApp.OpenCurrentDatabase App.Path & "\gas.mdb"acApp.DoCmd.OpenReport "repDaily", acViewPreview, "select * from qrybill where Dateofbooking=cdate('" & Me.txtDate.Text & "')"acApp.DoCmd.MaximizeacApp.Visible = True

End Sub

Private Sub Form_Load()Me.txtDate.Text = DateEnd Sub

frmDelConsumer

Private Sub cmbConsumerNo_Click()Dim rsfill As New ADODB.Recordsetrsfill.Open "select * from tblConsumer where ConsumerNo = " & Me.cmbConsumerNo.Text, con, adOpenDynamicIf Not rsfill.EOF ThenMe.txtName.Text = rsfill("Name")Me.txtDoC.Text = rsfill("DoC")Me.txtAddress1.Text = rsfill("Address1")Me.txtAddress2.Text = rsfill("Address2")Me.txtAddress3.Text = rsfill("Address3")Me.txtPin.Text = rsfill("Pin")Me.txtPhone.Text = rsfill("Phone")Me.txtCylinders.Text = rsfill("Cylinders")If UCase(rsfill("CylinderType")) = "D" Then Me.opDomestic = TrueElse Me.opCommercial = TrueEnd If

End Ifrsfill.CloseSet rsfill = NothingEnd Sub

Private Sub cmddelete_Click()If Me.cmbConsumerNo.Text = "" Then MsgBox "Please input Consumer No." Me.cmbConsumerNo.SetFocus Exit SubEnd IfIf Not IsNumeric(Me.cmbConsumerNo.Text) Then MsgBox "Please input Numeric value." Me.cmbConsumerNo.SetFocus

Exit SubEnd IfDim rsDuplicate As New ADODB.RecordsetrsDuplicate.Open "select ConsumerNo from tblConsumer where ConsumerNo=" & Me.cmbConsumerNo.Text, con, adOpenDynamicIf rsDuplicate.EOF Then MsgBox "Consumer No. does not exist." Me.cmbConsumerNo.SetFocus Exit SubEnd IfrsDuplicate.CloseSet rsDuplicate = Nothingcon.Execute "delete from tblConsumer where ConsumerNo=" & Me.cmbConsumerNo.TextMe.cmbConsumerNo.ClearDim rsfill As New ADODB.Recordsetrsfill.Open "select ConsumerNo from tblConsumer order by ConsumerNo", con, adOpenDynamicDo While Not rsfill.EOF Me.cmbConsumerNo.AddItem rsfill("ConsumerNo") rsfill.MoveNextLoopIf Me.cmbConsumerNo.ListCount <> 0 Then Me.cmbConsumerNo.ListIndex = 0End Ifrsfill.CloseSet rsfill = Nothing

MsgBox "Record Deleted."End Sub

Private Sub Form_Load()Dim rsfill As New ADODB.Recordsetrsfill.Open "select ConsumerNo from tblConsumer order by ConsumerNo", con, adOpenDynamicDo While Not rsfill.EOF Me.cmbConsumerNo.AddItem rsfill("ConsumerNo") rsfill.MoveNextLoopIf Me.cmbConsumerNo.ListCount <> 0 Then

Me.cmbConsumerNo.ListIndex = 0End Ifrsfill.CloseSet rsfill = Nothing

End SubfrmMain

Private Sub cmdOk_Click()Dim rsPass As New ADODB.RecordsetrsPass.Open "select Password from Pass", con, adOpenDynamicIf Not rsPass.EOF Then If (txtPassword.Text = "" And IsNull(rsPass("Password"))) Or (rsPass("Password") = txtPassword.Text) Then Unload Me frmMenu.Show vbModal Else MsgBox "Invalid Password" End IfElse Unload Me frmMenu.Show vbModalEnd If

rsPass.CloseSet rsPass = Nothing

End Sub

Private Sub cmdExit_Click()Unload MeEnd SubPrivate Sub Form_Load()con.ConnectionString = "Provider=Microsoft.Jet.OLEDB.3.51;Persist Security Info=False;Data Source=" + App.Path + "\gas.mdb"con.OpenEnd Sub

frmMenu

Private Sub menuAddNew_Click()frmAddConsumer.Show vbModal

End Sub

Private Sub mnuAddStock_Click()frmAddStock.Show vbModalEnd Sub

Private Sub mnuBooking_Click()frmBooking.Show vbModalEnd Sub

Private Sub mnuCP_Click()frmChangePassword.Show vbModalEnd Sub

Private Sub mnuDaily_Click()frmDaily.Show vbModalEnd Sub

Private Sub mnuDelete_Click()frmDelConsumer.Show vbModalEnd Sub

Private Sub mnuModify_Click()frmModConsumer.Show vbModalEnd Sub

Private Sub mnuMonthly_Click()frmMonthly.Show vbModalEnd Sub

Private Sub mnuPriceEntry_Click()frmPriceEntry.Show vbModalEnd Sub

Private Sub mnuPrintBill_Click()frmPrintBill.Show vbModalEnd Sub

Private Sub mnuQuit_Click()Unload MeEnd Sub

Private Sub mnuRelease_Click()frmRelease.Show vbModalEnd Sub

Private Sub mnuView_Click()frmViewConsumer.Show vbModalEnd Sub

Private Sub mnuViewStock_Click()frmViewStock.Show vbModalEnd Sub

frmModConsumer

Private Sub cmdupdate_Click()If Me.cmbConsumerNo.Text = "" Then MsgBox "Please input Consumer No." Me.cmbConsumerNo.SetFocus Exit SubEnd IfIf Not IsNumeric(Me.cmbConsumerNo.Text) Then MsgBox "Please input Numeric value." Me.cmbConsumerNo.SetFocus

Exit SubEnd IfDim rsDuplicate As New ADODB.RecordsetrsDuplicate.Open "select ConsumerNo from tblConsumer where ConsumerNo=" & Me.cmbConsumerNo.Text, con, adOpenDynamicIf rsDuplicate.EOF Then MsgBox "Consumer No. does not exist." Me.cmbConsumerNo.SetFocus Exit SubEnd IfrsDuplicate.CloseSet rsDuplicate = NothingIf Me.txtDoC.Text = "" Then MsgBox "Please input Date of Connection." Me.txtDoC.SetFocus Exit SubEnd IfIf Not IsDate(Me.txtDoC.Text) Then MsgBox "Please input valid Date." Me.txtDoC.SetFocus Exit SubEnd IfIf Me.txtName.Text = "" Then MsgBox "Please input Name" Me.txtName.SetFocus Exit SubEnd IfIf Me.txtAddress1.Text = "" Then MsgBox "Please input Address." Me.txtAddress1.SetFocus Exit SubEnd IfIf Me.txtCylinders.Text = "" Then MsgBox "Please input No. of Cylinders." Me.txtCylinders.SetFocus Exit SubEnd IfIf Not IsNumeric(Me.txtCylinders.Text) Then MsgBox "Please input Numeric value." Me.txtCylinders.SetFocus

Exit SubEnd IfIf Me.txtCylinders.Text < 0 Or Me.txtCylinders.Text > 2 Then MsgBox "Please input between 0..2" Me.txtCylinders.SetFocus Exit SubEnd IfIf Me.opDomestic.Value = True Then ctype = "D"Else ctype = "C"End If

con.Execute "delete from tblConsumer where ConsumerNo=" & Me.cmbConsumerNo.Textcon.Execute "insert into tblConsumer(ConsumerNo,Name,Address1,Address2,Address3,Pin,Phone,DoC,Cylinders,CylinderType) values(" & Me.cmbConsumerNo.Text & ",'" & Me.txtName.Text & "','" & Me.txtAddress1.Text & "','" & Me.txtAddress2.Text & "','" & Me.txtAddress3.Text & "','" & Me.txtPin.Text & "','" & Me.txtPhone.Text & "','" & Me.txtDoC.Text & "'," & Me.txtCylinders.Text & ",'" & ctype & "')"

MsgBox "Record Updated."End Sub

Private Sub Form_Load()Dim rsfill As New ADODB.Recordsetrsfill.Open "select ConsumerNo from tblConsumer order by ConsumerNo", con, adOpenDynamicDo While Not rsfill.EOF Me.cmbConsumerNo.AddItem rsfill("ConsumerNo") rsfill.MoveNextLoopIf Me.cmbConsumerNo.ListCount <> 0 Then Me.cmbConsumerNo.ListIndex = 0End Ifrsfill.CloseSet rsfill = Nothing

End Sub

frmMonthly

Private Sub cmdPreview_Click()

Dim rsfill As New ADODB.Recordsetrsfill.Open "select count(*) as bdomestic from qryBill where CylinderType='D' and month(DateofBooking)=" & Me.cmbMonth.ItemData(Me.cmbMonth.ListIndex) & " and year(DateofBooking)=" & Me.cmbYear.Text, con, adOpenDynamicbdomestic = rsfill("bdomestic")rsfill.Closersfill.Open "select count(*) as bcommercial from qryBill where CylinderType='C' and month(DateofBooking)=" & Me.cmbMonth.ItemData(Me.cmbMonth.ListIndex) & " and year(DateofBooking)=" & Me.cmbYear.Text, con, adOpenDynamicbcommercial = rsfill("bcommercial")rsfill.Closersfill.Open "select count(*) as rdomestic from qryBill where CylinderType='D' and IsReleased=1 and month(DateofBooking)=" & Me.cmbMonth.ItemData(Me.cmbMonth.ListIndex) & " and year(DateofBooking)=" & Me.cmbYear.Text, con, adOpenDynamicrdomestic = rsfill("rdomestic")rsfill.Closersfill.Open "select count(*) as rcommercial from qryBill where CylinderType='C' and IsReleased=1 and month(DateofBooking)=" & Me.cmbMonth.ItemData(Me.cmbMonth.ListIndex) & " and year(DateofBooking)=" & Me.cmbYear.Text, con, adOpenDynamicrcommercial = rsfill("rcommercial")rsfill.CloseSet rsfill = Nothingcon.Execute "delete from count"

con.Execute "insert into count(bdomestic,bcommercial,rdomestic,rcommercial) values(" & bdomestic & "," & bcommercial & "," & rdomestic & "," & rcommercial & ")"MsgBox "Preview Report"

Dim acApp As Access.ApplicationSet acApp = New Access.ApplicationacApp.OpenCurrentDatabase App.Path & "\gas.mdb"acApp.DoCmd.OpenReport "repMonthly", acViewPreview, "select * from qrybill where month(DateofBooking)=" & Me.cmbMonth.ItemData(Me.cmbMonth.ListIndex) & " and year(DateofBooking)=" & Me.cmbYear.TextacApp.DoCmd.MaximizeacApp.Visible = True

End Sub

Private Sub Form_Load()For i = 0 To 11 Me.cmbMonth.AddItem MonthName(i + 1) Me.cmbMonth.ItemData(i) = i + 1Next

For i = 2000 To Year(Date) + 10 Me.cmbYear.AddItem i NextMe.cmbMonth.ListIndex = Month(Date) - 1Me.cmbYear.ListIndex = Year(Date) - 2000End Sub

frmPriceEntry

Private Sub cmdupdate_Click()If Me.txtCommercial.Text = "" Then MsgBox "Please input Price" Me.txtCommercial.SetFocus Exit SubEnd IfIf Not IsNumeric(Me.txtCommercial.Text) Then MsgBox "Please input numeric data" Me.txtCommercial.SetFocus Exit SubEnd IfIf Me.txtDomestic.Text = "" Then MsgBox "Please input Price" Me.txtDomestic.SetFocus Exit SubEnd IfIf Not IsNumeric(Me.txtDomestic.Text) Then MsgBox "Please input numeric data" Me.txtDomestic.SetFocus Exit SubEnd Ifcon.Execute "delete from tblPrice"con.Execute "insert into tblPrice(CylinderType,Price) values('C'," & Me.txtCommercial.Text & ")"con.Execute "insert into tblPrice(CylinderType,Price) values('D'," & Me.txtDomestic.Text & ")"MsgBox "Record Updated"End Sub

Private Sub Form_Load() Dim rsfill As New ADODB.Recordset rsfill.Open "select * from tblPrice", con, adOpenDynamic If rsfill.EOF Then

Me.txtCommercial.Text = "0" Me.txtDomestic.Text = "0" Else Do While Not rsfill.EOF If UCase(rsfill("CylinderType")) = "C" Then Me.txtCommercial.Text = rsfill("Price") Else Me.txtDomestic.Text = rsfill("Price") End If rsfill.MoveNext Loop End If rsfill.Close Set rsfill = Nothing

End Sub

frmPrintBill

Me.txtLSlno.Text = ""Me.txtLType.Text = ""Me.txtLDoB.Text = ""Me.txtLReleased.Text = ""Me.txtLDoR.Text = ""Me.txtLRemarks.Text = ""

Dim rsfill As New ADODB.Recordsetrsfill.Open "select * from tblConsumer where ConsumerNo = " & Me.cmbConsumerNo.Text, con, adOpenDynamicIf Not rsfill.EOF Then Me.txtName.Text = rsfill("Name") Me.txtAddress1.Text = rsfill("Address1") Me.txtAddress2.Text = rsfill("Address2") Me.txtAddress3.Text = rsfill("Address3")

Me.txtPin.Text = rsfill("Pin") Me.txtPhone.Text = rsfill("Phone") Me.txtCylinders.Text = rsfill("Cylinders") If UCase(rsfill("CylinderType")) = "D" Then ctype = "Domestic" Else ctype = "Commercial" End IfEnd Ifrsfill.Close

rsfill.Open "select * from tblConsumerTrans where ConsumerNo = " & Me.cmbConsumerNo.Text & " order by DateofBooking desc", con, adOpenDynamicIf Not rsfill.EOF Then Me.txtLSlno.Text = rsfill("Slno") Me.txtLType.Text = ctype Me.txtLDoB.Text = rsfill("DateofBooking") If IsNull(rsfill("remarks")) Then Me.txtLRemarks.Text = "" Else Me.txtLRemarks.Text = rsfill("Remarks") End If If IsNull(rsfill("DateofRelease")) Then Me.txtLDoR.Text = "" Else Me.txtLDoR.Text = rsfill("DateofRelease") End If If rsfill("IsReleased") = 1 Then Me.txtLReleased.Text = "Yes" Me.cmdPrint.Enabled = True Else Me.txtLReleased.Text = "No" Me.cmdPrint.Enabled = False End IfElse Me.txtLSlno.Text = "" Me.txtLType.Text = "" Me.txtLDoB.Text = "" Me.txtLReleased.Text = ""

Me.txtLDoR.Text = "" Me.txtLRemarks.Text = "" Me.cmdPrint.Enabled = FalseEnd If

Private Sub cmdprint_Click()If Me.cmbConsumerNo.Text = "" Then MsgBox "Please input Consumer No." Me.cmbConsumerNo.SetFocus Exit SubEnd IfIf Not IsNumeric(Me.cmbConsumerNo.Text) Then MsgBox "Please input Numeric value." Me.cmbConsumerNo.SetFocus Exit SubEnd IfDim rsDuplicate As New ADODB.RecordsetrsDuplicate.Open "select ConsumerNo from tblConsumer where ConsumerNo=" & Me.cmbConsumerNo.Text, con, adOpenDynamicIf rsDuplicate.EOF Then MsgBox "Consumer No. does not exist." Me.cmbConsumerNo.SetFocus Exit SubEnd IfrsDuplicate.CloseSet rsDuplicate = Nothing

Dim acApp As Access.ApplicationSet acApp = New Access.ApplicationacApp.OpenCurrentDatabase App.Path & "\gas.mdb"acApp.DoCmd.OpenReport "repBill", acViewPreview, "select * from qryBill where ConsumerNo=" & Me.cmbConsumerNo.Text & " and DateofBooking=cdate('" & Me.txtLDoB.Text & "')"acApp.DoCmd.MaximizeacApp.Visible = True

End Sub

frmRelease

Me.txtLSlno.Text = ""Me.txtLType.Text = ""Me.txtLDoB.Text = ""Me.txtLReleased.Text = ""Me.txtLDoR.Text = ""Me.txtLRemarks.Text = ""'Me.txtLDoR.Enabled = False'Me.txtLRemarks.Enabled = False

Dim rsfill As New ADODB.Recordsetrsfill.Open "select * from tblConsumer where ConsumerNo = " & Me.cmbConsumerNo.Text, con, adOpenDynamicIf Not rsfill.EOF Then Me.txtName.Text = rsfill("Name") Me.txtAddress1.Text = rsfill("Address1") Me.txtAddress2.Text = rsfill("Address2") Me.txtAddress3.Text = rsfill("Address3") Me.txtPin.Text = rsfill("Pin") Me.txtPhone.Text = rsfill("Phone") Me.txtCylinders.Text = rsfill("Cylinders") If UCase(rsfill("CylinderType")) = "D" Then ctype = "Domestic" Else ctype = "Commercial" End IfEnd Ifrsfill.Close

Me.cmdBook.Enabled = FalseMe.lblStatus.Caption = ""

rsfill.Open "select * from tblConsumerTrans where ConsumerNo = " & Me.cmbConsumerNo.Text & " order by DateofBooking desc", con, adOpenDynamicIf Not rsfill.EOF Then Me.txtLSlno.Text = rsfill("Slno") Me.txtLType.Text = ctype Me.txtLDoB.Text = rsfill("DateofBooking") If IsNull(rsfill("remarks")) Then Me.txtLRemarks.Text = "" Else Me.txtLRemarks.Text = rsfill("Remarks") End If If IsNull(rsfill("DateofRelease")) Then Me.txtLDoR.Text = "" Else Me.txtLDoR.Text = rsfill("DateofRelease") End If If rsfill("IsReleased") = 1 Then

Me.txtLReleased.Text = "Yes" Me.cmdBook.Enabled = False Me.txtLRemarks.Enabled = False Me.txtLDoR.Enabled = False Else Me.txtLReleased.Text = "No" Me.cmdBook.Enabled = True Me.txtLRemarks.Enabled = True Me.txtLDoR.Enabled = True Me.txtLDoR.Text = Date End If Dim rsStock As New ADODB.Recordset rsStock.Open "select * from tblStock", con, adOpenDynamic If rsStock.EOF Then Me.cmdBook.Enabled = False Me.lblStatus.Caption = "Cannot Release Booked Gas. Stock Not Available" Exit Sub Else If (ctype = "Domestic" And rsStock("CurrDomestic") <= 0) Or (ctype = "Commercial" And rsStock("CurrCommercial") <= 0) Then Me.cmdBook.Enabled = False Me.lblStatus.Caption = "Cannot Release booked Gas. Stock Not Available" Exit Sub End If End If rsStock.Close Set rsStock = Nothing

Else Me.txtLSlno.Text = "" Me.txtLType.Text = "" Me.txtLDoB.Text = "" Me.txtLReleased.Text = "" Me.txtLDoR.Text = "" Me.txtLRemarks.Text = "" Me.txtLReleased.Enabled = False Me.txtLDoR.Enabled = False

Me.cmdBook.Enabled = FalseEnd If

Private Sub cmdBook_Click()If Me.cmbConsumerNo.Text = "" Then MsgBox "Please input Consumer No." Me.cmbConsumerNo.SetFocus Exit SubEnd IfIf Not IsNumeric(Me.cmbConsumerNo.Text) Then MsgBox "Please input Numeric value." Me.cmbConsumerNo.SetFocus Exit SubEnd IfDim rsDuplicate As New ADODB.RecordsetrsDuplicate.Open "select ConsumerNo from tblConsumer where ConsumerNo=" & Me.cmbConsumerNo.Text, con, adOpenDynamicIf rsDuplicate.EOF Then MsgBox "Consumer No. does not exist." Me.cmbConsumerNo.SetFocus Exit SubEnd IfrsDuplicate.CloseSet rsDuplicate = NothingIf Me.txtLDoR.Text = "" Then MsgBox "Please input date of release" Me.txtLDoR.SetFocus Exit SubEnd IfIf Not IsDate(Me.txtLDoR.Text) Then MsgBox "Please input valid date" Me.txtLDoR.SetFocus Exit SubEnd IfIf Me.txtLReleased.Text = "No" Then If CDate(Me.txtLDoR.Text) < CDate(Me.txtLDoB.Text) Then

MsgBox "Date of Release should not be less that date of booking" Me.txtLDoR.SetFocus Exit Sub End IfEnd If

con.Execute "update tblConsumerTrans set DateofRelease='" & Me.txtLDoR.Text & "', IsReleased=1 where ConsumerNo=" & Me.cmbConsumerNo.Text & " and DateofBooking=cdate('" & Me.txtLDoB.Text & "')"If ctype = "Commercial" Then con.Execute "update tblStock set CurrCommercial=CurrCommercial-1"Else con.Execute "update tblStock set CurrDomestic=CurrDomestic-1"End IfMsgBox "Gas Released"Me.cmbConsumerNo.ListIndex = 0

Dim acApp As Access.ApplicationSet acApp = New Access.ApplicationacApp.OpenCurrentDatabase App.Path & "\gas.mdb"acApp.DoCmd.OpenReport "repBill", acViewPreview, "select * from qryBill where ConsumerNo=" & Me.cmbConsumerNo.Text & " and DateofBooking=cdate('" & Me.txtLDoB.Text & "')"acApp.DoCmd.MaximizeacApp.Visible = True

End Sub

Private Sub Form_Load()Dim rsfill As New ADODB.Recordsetrsfill.Open "select ConsumerNo from tblConsumer order by ConsumerNo", con, adOpenDynamicDo While Not rsfill.EOF Me.cmbConsumerNo.AddItem rsfill("ConsumerNo") rsfill.MoveNext

LoopIf Me.cmbConsumerNo.ListCount <> 0 Then Me.cmbConsumerNo.ListIndex = 0End Ifrsfill.CloseSet rsfill = Nothing'Me.cmdBook.Enabled = False'Me.txtLDoR.Enabled = False'Me.txtLRemarks.Enabled = False

End Sub

frmViewConsumer

End Sub

frmViewStock

Private Sub Form_Load() Dim rsfill As New ADODB.Recordset rsfill.Open "select * from tblStock", con, adOpenDynamic If rsfill.EOF Then Me.txtCurrCommercial.Text = "0" Me.txtCurrDomestic.Text = "0" Me.txtDefCommercial.Text = "0" Me.txtDefDomestic.Text = "0" Else Me.txtCurrCommercial.Text = rsfill("CurrCommercial") Me.txtCurrDomestic.Text = rsfill("CurrDomestic") Me.txtDefCommercial.Text = rsfill("DefectsCommercial") Me.txtDefDomestic.Text = rsfill("DefectsDomestic") End If rsfill.Close Set rsfill = Nothing

Output/Report Generation

1. Display Consumer Record : User can traverse and view consumer

records using option – MASTER ENTRY CONSUMER ENTRY

2. Display Current Stock : User can view the updated stock at any time by

using option – MASTER ENTRY STOCK ENTRY VIEW

STOCK.

3. Printing Bill : User can print bill of the released gas to consumer by

using option – REPORTS PRINT BILL.

4. Daily Booking Status Report : User can view report of the daily

booking using option – REPORTS DAILY REPORT.

5. Monthly Booking Status Report : User can view report of the monthly

booking using option – REPORTS MONTHLY REPORT.

Validation Checks

While dealing with updation, we stressed on the importance of ensuring that

the source data was error free. This process is called validation of the input

Validation checks while taking input data from the user:

1. While inputting consumer no. from the user while adding new

consumer record, it has to be checked the given consumer no. should

not already exists in the consumer master table.

2. Before making any updation, it has been checked that particular

record is present in the file or not.

3. Digit Check : It has been checked that user should not enter character

instead of digits in numeric fields.

4. While booking the gas it has been checked that the previous gas has

been released. Secondly, consumer can book gas only after 21 days of

booking of previous gas.

5. It has been checked that user must enter data in required fields.

frmMain

frmMenu

frmAddConsumer

frmModConsumer

frmDelConsumer

frmViewConsumer

frmAddStock

frmViewStock

frmPriceEntry

frmChangePassword

frmBooking

frmRelease

frmPrintBill

Customer Bill

frmDaily

frmMonthly

Working of the Project/User Manual

Adding new consumer record : User can add new consumer records in

table- tblConsumer from option – MASTER ENTRY CONSUMER

ENTRY ADD NEW.

Modify consumer record : User can modify any existing consumer

records using option – MASTER ENTRY CONSUMER ENTRY

MODIFY.

Delete consumer record : User can delete any existing consumer records

using option – MASTER ENTRY CONSUMER ENTRY

DELETE.

View consumer record : User can traverse and view consumer records

using option – MASTER ENTRY CONSUMER ENTRY VIEW.

Adding stock : User can add stock in table – tblStock. Whenever new

transaction done, a new record is add in stock transaction table –

tblStockTrans and the stock is calculated and updated in stock master

file, using option – MASTER ENTRY STOCK ENTRY NEW

STOCK.

View Stock : User can view the updated stock at any time by using

option – MASTER ENTRY STOCK ENTRY VIEW STOCK.

Cylinder Price : User can change the price of per cylinder using option –

MASTER ENTRY PRICE ENTRY.

Changing Password : User can change the password if he/she knows the

old password by using option – MASTER ENTRY CHANGE

PASSWORD.

Booking Gas : User can book gas by using option – TRANSACTION

BOOKING. Whenever user book gas an entry has been done in

transaction table – tblConsumerTrans and the stock is also updated in

stock master file.

Releasing Gas : User can release booked gas by using option –

TRANSACTION RELEASE, and the bill is automatically generated.

Printing Bill : User can print bill of the released gas to consumer by

using option – REPORTS PRINT BILL.

Daily Booking Report : User can view report of the daily booking using

option – REPORTS DAILY REPORT.

Monthly Booking Report : User can view report of the monthly booking

using option – REPORTS MONTHLY REPORT.

Conclusion

This project is designed to meet the requirements of a Gas Agency

Automation System. It has been developed in Visual Basic and the database

has been built in MS-Access only, keeping in mind the specifications of the

system. Apart from MS-Access we could have also implemented other

database software like Oracle or SQL.

For designing the system we have used simple data flow diagrams.

Overall the project teaches us the essential skills like:

1. Using system analysis and design techniques like data flow diagram in

designing the system.

2. Understanding programming logic and language along with utilities

like reports, forms, queries etc. in Visual Basic and MS-Access 97.

Gas Agency Management System

Documents

Transcript of Gas Agency Management System

State Oil & Gas Agency Groundwater Investigations.pdf

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