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

, 7 Jun 2008 CPOL
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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

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

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:

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)

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About the Author

Bappi M Ahmed
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/

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Comments and Discussions

 
GeneralError creating backup Pin
AlCsharp17-Oct-09 20:57
memberAlCsharp17-Oct-09 20:57 
GeneralRe: Error creating backup Pin
Nouman_gcu21-Oct-09 0:58
memberNouman_gcu21-Oct-09 0:58 
Generalvb.net Pin
ananthkind30-Sep-09 10:18
memberananthkind30-Sep-09 10:18 
GeneralOperating System Error 5 (Access is Denied) Pin
Sandeep N. Pamnani7-Sep-09 2:01
memberSandeep N. Pamnani7-Sep-09 2:01 
GeneralRe: Operating System Error 5 (Access is Denied) Pin
Nouman_gcu21-Oct-09 1:01
memberNouman_gcu21-Oct-09 1:01 
GeneralRe: Operating System Error 5 (Access is Denied) Pin
TedChangKorea26-Oct-09 22:06
memberTedChangKorea26-Oct-09 22:06 
Generalexception on sqlRestore method using C#.net 3.5 and ms sql server 2005 [modified] Pin
Member 381141030-Jun-09 2:32
memberMember 381141030-Jun-09 2:32 
GeneralRuntime exception in sqlRestore method using C#.net 3.5 and sql server 2005 on a windows application Pin
Member 381141029-Jun-09 21:42
memberMember 381141029-Jun-09 21:42 
i am facing one error during Runtime of application :
sqlRestore.SqlRestore(sqlServer); on this sqlRestore method during Restore of bakup file.

Runtime exception in sqlRestore method using C#.net 3.5 and sql server 2005 on a windows application.

Please send me solution of this problem at EmailID: rajenbhardwaj@gmail.com.




Rajender Sharma
Chandigarh.
QuestionsqlRestore.SqlRestore(sqlServer) error Pin
Maciej Gebski4-Jun-09 22:42
memberMaciej Gebski4-Jun-09 22:42 
AnswerRe: sqlRestore.SqlRestore(sqlServer) error Pin
TheChange5-Aug-09 3:24
memberTheChange5-Aug-09 3:24 
GeneralRe: sqlRestore.SqlRestore(sqlServer) error Pin
kanchan.srajput2-Jan-13 0:12
memberkanchan.srajput2-Jan-13 0:12 
GeneralVery good. Pin
itayl27-May-09 12:14
memberitayl27-May-09 12:14 
GeneralSMO vs SQLDMO Pin
qwe123420-Jan-09 3:40
memberqwe123420-Jan-09 3:40 
Generalerror Pin
pokiri4-Jan-09 20:12
memberpokiri4-Jan-09 20:12 
Questioni m getting error : Backup failed for Server 'myservername' Pin
Sandeep Ramani26-Nov-08 21:42
memberSandeep Ramani26-Nov-08 21:42 
QuestionRe: i m getting error : Backup failed for Server 'myservername' Pin
Darwin Tenk12-May-09 2:11
memberDarwin Tenk12-May-09 2:11 
QuestionRestore failed for Server 'SHAM/EXPRESS'. Pin
Member 380125920-Nov-08 23:19
memberMember 380125920-Nov-08 23:19 
GeneralIssues with windows authentication Pin
bigsybiggins15-Oct-08 3:49
memberbigsybiggins15-Oct-08 3:49 
AnswerRe: Issues with windows authentication Pin
srabik4-Feb-09 13:59
membersrabik4-Feb-09 13:59 
GeneralRe: Issues with windows authentication Pin
Ahmed.lpo12-Mar-11 3:23
memberAhmed.lpo12-Mar-11 3:23 
Generalhelpful Pin
shahed hasan16-Sep-08 23:42
membershahed hasan16-Sep-08 23:42 
Questionproblem with logical file names. Pin
Member 232138520-Aug-08 19:44
memberMember 232138520-Aug-08 19:44 
AnswerRe: problem with logical file names. Pin
Bappi M Ahmed7-Oct-08 18:27
memberBappi M Ahmed7-Oct-08 18:27 
GeneralRe: problem with logical file names. Pin
MCAST7623-Mar-09 13:27
memberMCAST7623-Mar-09 13:27 
Generalplease help me Pin
prabhakaraan.s31-Jul-08 0:22
memberprabhakaraan.s31-Jul-08 0:22 

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