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How to Backup SQL Server Database Programatically in C# 

SqlConnection SC = new SqlConnection("Place your connection string here");
string sqltxt ="";
string ipath ="C:\Backup.Bak";
sqltxt = @"BACKUP DATABASE SampleDB TO DISK = ' " + ipath + "' WITH INIT ";
 
 
SqlCommand sqlCm = new SqlCommand(sqltxt, SC);
SC.Open();
sqlCm.ExecuteNonQuery();
SC.Close();
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Unknown said…
Hi Melick,

I have used code similar to this and I found that it doesn't work if your SQL database uses the "User Instance = true" parameter in the connection string.

What happens is SQL Server 2005 throws an exception with the following message: "Could not locate entry in sysdatabases for database ‘database name'. No entry found with that name. Make sure that the name is entered correctly".

That makes this backup mechanism infeasible for embedded SQL applications that run locally in single-user mode.

I am currently investigating backing up this database to an XML file instead.

Any ideas would be appreciated.
November 17, 2009 at 10:42 PM
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