1. Making Quality .NET Applications Fast and Bug Free Chris Love ProfessionalASPNET.com Twitter.com/ChrisLove FaceBook.com/ProfessionalASPNet

2. 3. Code Complete*The Art of Unit Testing * Pragmatic Programmer 4.

Built over 300 ASP.NET sites

• Required Speed to Market

• Reduced Number of Potential Bugs

• Ease to Maintain and Extend

• Ability to Adjust on a Dime

5.

Bigger Solid Application Architecture

StrongerSites Fewer Bugs

Faster Confidently Create Code Faster

6.

Build Orthogonal Applications

True Layers

Dont Repeat Yourself (DRY)

Build a Knowledge Portfolio

7.

Eliminate Effects between Unrelated

Reduce Risks

Testing

8.

protected void btnCalc_Click(object sender, EventArgs e)

{

// Line after line of business logic

// ...

}

9.

protected void btnCalc_Click(object sender, EventArgs e)

{

BusinessClass.DoWork(...);

}

10.

Data SQL

Business C#/VB.NET

UI

• HTML

• JS/AJAX

• CSS

Knowledge of Http

11.

public CustomEntity GetCustomEntity(int CustomEntityID, bool IsActive)

{

SqlDatabase sqlDb = new SqlDatabase(siteConnectionString);

DbCommand dbCommand = sqlDb.GetStoredProcCommand("spGetCustomEntity");

CustomEntity custEntity = new CustomEntity();

sqlDb.AddInParameter(dbCommand, "@CustomEntityID", DbType.Int32, CustomEntityID);

sqlDb.AddInParameter(dbCommand, "@IsIncident", DbType.Boolean, IsIncident);

using (IDataReader dr = sqlDb.ExecuteReader(dbCommand))

{

while (dr.Read())

{

//...

}

}

return custEntity;

}

12.

public ICustomEntity GetCustomEntity(int vCustomEntityId)

{

CustomEntity lCustomEntity = null;

using (SafeDataReader dr = new SafeDataReader(

ExecuteReader("spGetCustomEntity", CommandType.StoredProcedure, "@CustomEntityID", vCustomEntityId)))

{

lCustomEntity = CustomEntityRepositoryHelper.BindCustomEntity(dr, true, this);

}

return lCustomEntity;

}

13.

ADO.NET - DAAB

• ExecuteNonQuery

• ExecuteReader

• ExecuteScalar

• ExecuteDataSet

14.

public SqlDataReader ExecuteReader(string sProc, CommandType ct, SqlParameter[] arParam)

{

Database database = DatabaseFactory.CreateDatabase(ConnectionString);

DbCommand storedProcCommand = database.GetStoredProcCommand(sProc);

if (null != arParam)

{

foreach (SqlParameter parameter in arParam)

{

database.AddInParameter(storedProcCommand, parameter.ParameterName,

parameter.DbType, parameter.Value);

}

}

return (SqlDataReader)database.ExecuteReader(storedProcCommand);

}

15.

Linq

• FirstOrDefault(ObjectQuery)

• ToList(ObjectQuery)

• ToDictionary(ObjectQuery)

• ToArray(ObjectQuery)

16.

TEntity ExecuteFirstOrDefault(ObjectQuery objQuery){

//Custom Work

return objQuery.FirstOrDefault();

}

17.

Automated Testing

• Unit Testing

• Integration

• Web/Acceptance Testing

18.

No Excuses Anymore

Its not that hard

Requires a slightParadigm Shift

Requires More Time Up Front, but Reduces Ultimate Time to Market

19.

Refactor Coding Methodologies

Small Units of Work that can be independently Tested

Mocking, IoC

20.

Testing a Complete Unit of Work

Typically including Dependencies like Databases and the File System

A Common Way To Ease into Automated Testing

21.

Automated Tools to Automatically Test Application

22.

CodeRush, Refactor, R#

Code Generators

• Code Smith

• Code Breeze