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SQL Server 2005 Database Backup and Restore using C# and .NET 2.0

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7 Jun 2008CPOL1 min read 311K   22.4K   88   61
SQL Server 2005 database backup and restore using C#, .NET 2.0, and SMO.

Introduction

The following article describes accessing a SQL Server 2005 database backup and restoring it programmatically using C#.NET 2.0 and SMO. This article provides coding samples to perform the task.

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

The following namespaces can be used to access SQL Server 2005 programmatically:

  • Microsoft.SqlServer.management
  • Microsoft.SqlServer.Management.NotificationServices
  • Microsoft.SqlServer.Management.Smo
  • Microsoft.SqlServer.Management.Smo.Agent
  • Microsoft.SqlServer.Management.Smo.Broker
  • Microsoft.SqlServer.Management.Smo.Mail
  • Microsoft.SqlServer.Management.Smo.RegisteredServers
  • Microsoft.SqlServer.Management.Smo.Wmi
  • Microsoft.SqlServer.Management.Trace

Pre-Requisite

You need to reference the following namespaces before using this code:

  • Microsoft.SqlServer.Management.Smo;
  • Microsoft.SqlServer.Management.Common;

I used these two class to perform the backup and restore operations:

  • Microsoft.SqlServer.Management.Smo.Backup
  • Microsoft.SqlServer.Management.Smo.Restore

For more information, regarding these two class, check MSDN:

Backup database

C#
public void BackupDatabase(String databaseName, String userName, 
            String password, String serverName, String destinationPath)
{
    Backup sqlBackup = new Backup();
    
    sqlBackup.Action = BackupActionType.Database;
    sqlBackup.BackupSetDescription = "ArchiveDataBase:" + 
                                     DateTime.Now.ToShortDateString();
    sqlBackup.BackupSetName = "Archive";

    sqlBackup.Database = databaseName;

    BackupDeviceItem deviceItem = new BackupDeviceItem(destinationPath, DeviceType.File);
    ServerConnection connection = new ServerConnection(serverName, userName, password);
    Server sqlServer = new Server(connection);
    
    Database db = sqlServer.Databases[databaseName];
    
    sqlBackup.Initialize = true;
    sqlBackup.Checksum = true;
    sqlBackup.ContinueAfterError = true;
    
    sqlBackup.Devices.Add(deviceItem);
    sqlBackup.Incremental = false;

    sqlBackup.ExpirationDate = DateTime.Now.AddDays(3);
    sqlBackup.LogTruncation = BackupTruncateLogType.Truncate;

    sqlBackup.FormatMedia = false;

    sqlBackup.SqlBackup(sqlServer);
}

Restore Database

C#
public void RestoreDatabase(String databaseName, String filePath, 
       String serverName, String userName, String password, 
       String dataFilePath, String logFilePath)
{
    Restore sqlRestore = new Restore();
    
    BackupDeviceItem deviceItem = new BackupDeviceItem(filePath, DeviceType.File);
    sqlRestore.Devices.Add(deviceItem);
    sqlRestore.Database = databaseName;

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

    Database db = sqlServer.Databases[databaseName];
    sqlRestore.Action = RestoreActionType.Database;
    String dataFileLocation = dataFilePath + databaseName + ".mdf";
    String logFileLocation = logFilePath + databaseName + "_Log.ldf";
    db = sqlServer.Databases[databaseName];
    RelocateFile rf = new RelocateFile(databaseName, dataFileLocation);
    
    sqlRestore.RelocateFiles.Add(new RelocateFile(databaseName, dataFileLocation));
    sqlRestore.RelocateFiles.Add(new RelocateFile(databaseName+"_log", logFileLocation));
    sqlRestore.ReplaceDatabase = true;
    sqlRestore.Complete += new ServerMessageEventHandler(sqlRestore_Complete);
    sqlRestore.PercentCompleteNotification = 10;
    sqlRestore.PercentComplete += 
       new PercentCompleteEventHandler(sqlRestore_PercentComplete);
            
    sqlRestore.SqlRestore(sqlServer);
    db = sqlServer.Databases[databaseName];
    db.SetOnline();
    sqlServer.Refresh();
}

The portion of code uses full backup features. If you want, you can perform incremental and differential backup as well.

Updates: June 8, 2008

In order to use this code, your SQL Server authentication mode needs to be configured as Mixed Mode authentication. If you use Windows Authentication, then you need to modify the ServerConnection:

C#
SqlConnection sqlCon = new SqlConnection ("Data Source=Bappi; Integrated Security=True;");
ServerConnection connection = new ServerConnection(sqlCon);

Modify the ServerConnection portion of both code samples using this code in order to use Windows Security.

Conclusion

As this code uses the SQL Server 2005 backup/restore facility, the code follows the rules of SQL Server 2005 while backing up or restoring databases.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Software Developer SDL Tridion
Netherlands Netherlands
Software Developer with extensive experience in Software Development. Six years of Job experience in different positions. Eight years of practical experience in .net development. Experience in Distributed Application Development, Service Oriented Application Development and Smart Client Application development using .net framework.

More About Me:
http://iambappi.wordpress.com
http://iambappi.spaces.live.com/

Comments and Discussions

 
AnswerRe: Nice article Pin
Bappi M Ahmed12-Jun-08 22:47
Bappi M Ahmed12-Jun-08 22:47 
Generalhi bappi please help me Pin
prabhakaraan.s1-Aug-08 1:46
prabhakaraan.s1-Aug-08 1:46 
Questionone error!!!!!!!! Pin
m0rteza8-Jun-08 4:21
m0rteza8-Jun-08 4:21 
AnswerRe: one error!!!!!!!! Pin
Bappi M Ahmed9-Jun-08 19:08
Bappi M Ahmed9-Jun-08 19:08 
GeneralRe: one error!!!!!!!! Pin
Member 232138520-Aug-08 6:43
Member 232138520-Aug-08 6:43 
GeneralRe: one error!!!!!!!! Pin
Pallavi0022-Dec-10 0:52
Pallavi0022-Dec-10 0:52 
GeneralRe: one error!!!!!!!! Pin
Pallavi0022-Dec-10 18:30
Pallavi0022-Dec-10 18:30 
GeneralUsername, password Pin
QuentinUys7-Jun-08 9:46
QuentinUys7-Jun-08 9:46 
GeneralRe: Username, password Pin
Bappi M Ahmed7-Jun-08 21:40
Bappi M Ahmed7-Jun-08 21:40 
GeneralNeed more explanation Pin
Chris Maunder27-May-08 3:20
cofounderChris Maunder27-May-08 3:20 
GeneralRe: Need more explanation Pin
Bappi M Ahmed29-May-08 19:45
Bappi M Ahmed29-May-08 19:45 

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