Transaction processing via

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=;uid=sa; password=;d atabase = Haierhr ");

Conn. Open ();

Enable transaction

SqlTransaction TRAN = conn. BeginTransaction ();

SqlCommand cmd = new SqlCommand ();

Cmd. Connection = conn;

Cmd. Transaction = Tran;



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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