public class MyTextBox : System.Windows.Forms.TextBox { public MyTextBox() { this.KeyDown += new KeyEventHandler(OnKeyDown); } public void OnKeyDown(object sender, System.Windows.Forms.KeyEventArgs e) { if (e.KeyCode == Keys.Enter) SendKeys.Send("{TAB}"); } }I see you have PUTM membership....if you do searches on some of the keywords here, you'll find several solutions on this...