12/28/13 SQL Server Database BackUp using C# | Dot Net World

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FRIDAY, MARCH 8, 2013

SQL Server Database BackUp using C#

There are various ways to take the SQL Server database backup. You can take the database backup using

SQL Server backup wizard or using SQL Server BackUp Database statement. Here I am going to

describe how to take the SQL Server database backup programatically using C# and SQL Server

Management Objects (SMO).

In my previous posts, I explained Partial Methods,Contextual Keyword, C# Static Methods and some other

articles related to C#, ASP.Net and SQL Server .

SQL Server Management Objects (SMO) is a collection of objects that are designed for programming all

aspects of managing Microsoft SQL Server.

For taking the database backup using C#, you have to add the following references in your application-

Microsoft.SqlServer.ConnectionInfo

Microsoft.SqlServer.Management.Sdk.Sfc

Microsoft.SqlServer.Smo

Microsoft.SqlServer.SmoExtended

Microsoft.SqlServer.SqlEnum

In your .CS file you will have to use the following namespaces-

using Microsoft.SqlServer.Management.Smo;

using Microsoft.SqlServer.Management.Common;

After using above namespaces, write the following code to take the database backup-

public void BackupDatabase(string databaseName, string userName, string password, string

serverName, string destinationPath)

//Define a Backup object variable.

Backup sqlBackup = new Backup();

//Specify the type of backup, the description, the name, and the database to be backed

up.

sqlBackup.Action = BackupActionType.Database;

sqlBackup.BackupSetDescription = "BackUp of:" + databaseName + "on" +

DateTime.Now.ToShortDateString();

sqlBackup.BackupSetName = "FullBackUp";

sqlBackup.Database = databaseName;

//Declare a BackupDeviceItem

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12/28/13 SQL Server Database BackUp using C# | Dot Net World

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Posted by Manish Dubey at 5:50 PM

26 Comments

Labels: ASP.Net, C#, SQL Server

BackupDeviceItem deviceItem = new BackupDeviceItem(destinationPath + "FullBackUp.bak",

DeviceType.File);

//Define Server connection

ServerConnection connection = new ServerConnection(serverName, userName, password);

//To Avoid TimeOut Exception

Server sqlServer = new Server(connection);

sqlServer.ConnectionContext.StatementTimeout = 60 * 60;

Database db = sqlServer.Databases[databaseName];

sqlBackup.Initialize = true;

sqlBackup.Checksum = true;

sqlBackup.ContinueAfterError = true;

//Add the device to the Backup object.

sqlBackup.Devices.Add(deviceItem);

//Set the Incremental property to False to specify that this is a full database backup.

sqlBackup.Incremental = false;

sqlBackup.ExpirationDate = DateTime.Now.AddDays(3);

//Specify that the log must be truncated after the backup is complete.

sqlBackup.LogTruncation = BackupTruncateLogType.Truncate;

sqlBackup.FormatMedia = false;

//Run SqlBackup to perform the full database backup on the instance of SQL Server.

sqlBackup.SqlBackup(sqlServer);

//Remove the backup device from the Backup object.

sqlBackup.Devices.Remove(deviceItem);

Happy coding!!

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Kaushal Mehra • 7 months ago

Used exactly the same code on click of button on my webpage. Getting below error.

"Backup failed for server servername"

exception thrown at line: sqlBackup.sqlBackup(sqlServer)

Calling method like this:

protected void Button1_Click(object sender, EventArgs e)

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12/28/13 SQL Server Database BackUp using C# | Dot Net World

manish4dotnet.blogspot.in/2013/03/DatabaseBackupusingCSharp.html 3/6

• Reply •

BackupDatabase("databasenamexxx","usernamexxx","passwordxxx","servernamexxx","C:\\Users\\kaushal\\Downloads");

Please help.

2

• Reply •

Manish Dubey • 7 months agoM o d Kaushal Mehra

Can you give me more detail about Error.

Please use try-catch block to get more specific error.

That will be more helpful for me to help you!!

2

• Reply •

Nandhinee • a month ago Kaushal Mehra

I too get the same error. Backup failed for Server server name? Can u pls help.

• Reply •

Deenu • 4 months ago

how to take database backup using windows authentication mode???

• Reply •

Vikram • 5 months ago

Sir jee,,Could You tell me How to add those 4 namespaces?

I am Wondering Every where,,but could not find it yet.

Plz Do help

• Reply •

Manish Dubey • 5 months agoM o d Vikram

For using those namespaces which are show above. You have to add the references of these

namespaces. For this-

Go to Your Application and Right Click on References folder and select Add Reference.

Now Go to "Browse" Tab and browse the following path-

"C:\Program Files\Microsoft SQL Server\100\SDK\Assemblies"

Now Select the following dlls

Microsoft.SqlServer.ConnectionInfo.dll

Microsoft.SqlServer.Management.Sdk.Sfc.dll

Microsoft.SqlServer.Smo.dll

Microsoft.SqlServer.SmoExtended.dll

Microsoft.SqlServer.SqlEnum.dll

• Reply •

Vikram • 5 months ago Manish Dubey

Bhai Done It,,

Thank Uuuuuuuuuu

A Tight Hug :)

• Reply •

Vikram • 5 months ago Vikram

Sir It's Working well,,there is another problem

as I am giving the database name and path statically,it does not allow me to

over write in that same name and same location,In result back up getting

failed after first bak up.

so i created a text field where user have to give the data base name.

but my query is how this is possible to overwrite that same file name and in

same location,

Do Suggest,Thank u

Manish Dubey • 5 months agoM o d Vikram

You can not save the same file with same name in one place.

If you want to over write the previous file, you should check that file is exists or

not on you location if exists then first ti delete that file then save new file.

For all these use following links-

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Vikram • 5 months ago Manish Dubey

Thank You Sir jee :)

• Reply •

Chris t ian • 6 months ago

everything went good! thank you! i just got an error "Backup failed" then i add the

"SQLServer2005MSSQLUser$MYSERVERNAME$MSSQLSERVER" permit on group or users

(Security tab) on the destination folder and worked as expected

• Reply •

Raj • 4 months ago Christian

shud i use same for sql server 2008..???

• Reply •

Manish Dubey • 4 months agoM o d Raj

Yes use can use it for Server 2008 also

• Reply •

Manish Dubey • 6 months agoM o d Christian

Thanks Christian!!

• Reply •

Sameer Das • 7 months ago

can it work in online

• Reply •

Manish Dubey • 7 months agoM o d Sameer Das

Yes, It will.

Have you try it online?

• Reply •

Server management • 8 months ago

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• Reply •

Manish Dubey • 8 months agoM o d Server management

Thanks for you valuable information!!

deepak • 9 months ago

I didn't know this Manish.Wouldn't it be simpler to just run the following syntax from c# instead of

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• Reply •

I didn't know this Manish.Wouldn't it be simpler to just run the following syntax from c# instead of

SMO

BACKUP DATABASE AdventureWorks

TO DISK = 'C:\AdventureWorks.BAK'

GO

• Reply •

Manish Dubey • 9 months agoM o d deepak

Your are right . There are several ways of taking backup of Database using C#, SQL Server

scripts etc. Through this article I am not only target to tell about taking Database backup,here

I also want to tell my readers about SMO and how you can use its features.

• Reply •

Ashutosh • 9 months ago

how its use in Sql Server version 10.50

give rsponse in my Id:- sharanashu88@gmail.com

• Reply •

Salem AL-Badawi • 10 months ago

thank you it's great

• Reply •

Manish Dubey • 10 months agoM o d Salem AL-Badawi

Thanks Salem

• Reply •

Manish Dubey • 10 months ago

Thanks

• Reply •

Video Product ion • 10 months ago

Very interesting blog. Thanks for sharing with us.

• Reply •

Sudhir DBAKings • 6 months ago Video Production

Nice post very helpful

dbakings

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