Commits the database transaction.
The following example creates a
SqlConnection and a
SqlTransaction. It also demonstrates how to use the
BeginTransaction,
Commit, and
Rollback methods.
public void RunSqlTransaction(string myConnString)
{
SqlConnection myConnection = new SqlConnection(myConnString);
myConnection.Open();
SqlCommand myCommand = new SqlCommand();
SqlTransaction myTrans;
// Start a local transaction
myTrans = myConnection.BeginTransaction();
// Assign transaction object for a pending local transaction
myCommand.Transaction = myTrans;
try
{
myCommand.CommandText = "INSERT INTO Test.Dept(DeptNo, DName) Values(50, 'DEVELOPMENT')";
myCommand.ExecuteNonQuery();
myCommand.CommandText = "INSERT INTO Test.Dept(DeptNo, DName) Values(60, 'PRODUCTION')";
myCommand.ExecuteNonQuery();
myTrans.Commit();
Console.WriteLine("Both records are written to database.");
}
catch(Exception e)
{
myTrans.Rollback();
Console.WriteLine(e.ToString());
Console.WriteLine("Neither record was written to database.");
}
finally
{
myConnection.Close();
}
}
Public Sub RunSqlTransaction(myConnString As String)
Dim myConnection As New SqlConnection(myConnString)
myConnection.Open()
Dim myCommand As New SqlCommand()
Dim myTrans As SqlTransaction
' Start a local transaction
myTrans = myConnection.BeginTransaction()
' Assign transaction object for a pending local transaction
myCommand.Transaction = myTrans
Try
myCommand.CommandText = "INSERT INTO Test.Dept(DeptNo, DName) Values(50, 'DEVELOPMENT')"
myCommand.ExecuteNonQuery()
myCommand.CommandText = "INSERT INTO Test.Dept(DeptNo, DName) Values(60, 'PRODUCTION')"
myCommand.ExecuteNonQuery()
myTrans.Commit()
Console.WriteLine("Both records are written to database.")
Catch e As Exception
myTrans.Rollback()
Console.WriteLine(e.ToString())
Console.WriteLine("Neither record was written to database.")
Finally
myConnection.Close()
End Try
End Sub
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2