Transaction processing via Ado.net

Source: Internet
Author: User
Tags commit rollback

Creates a transactional object on a database connection, and then invokes a transaction object to commit the transaction or rollback the transaction. Simple code:

PRivate void Button1_Click (object sender, System.EventArgs e)

{

SqlConnection conn = new SqlConnection ("Data Source=192.168.2.200;uid=sa; password=;d atabase = Haierhr ");

Conn. Open ();

Enable transaction

SqlTransaction TRAN = conn. BeginTransaction ();

SqlCommand cmd = new SqlCommand ();

Cmd. Connection = conn;

Cmd. Transaction = Tran;

Try

{

Cmd.commandtext = "UPDATE hrrollmain Set totalmember=totalmember-100 WHERE rollid = ' 2005070101 '";

Cmd. ExecuteNonQuery ();

Cmd.commandtext = "UPDATE hrrollsum Set totalsummember=totalsummember+100 WHERE rollsumid = ' 20050701 '";

Cmd. ExecuteNonQuery ();

Tran.commit ();

MessageBox.Show ("Transaction submitted successfully!");

}

catch (Exception ex)

{

Tran. Rollback ();

MessageBox.Show ("error!" +ex. message);

}

}

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