private void tbxGroupName_KeyPress(object sender, KeyPressEventArgs e) { if (e.KeyChar == '\r') { if (tbxGroupName.Text.Trim() == "") { MessageBox.Show("Account Group Name Can Not Be Blank!"); tbxGroupName.Focus(); return; } if (objaccbl.IsGroupExists(tbxGroupName.Text.Trim())) { MessageBox.Show("Account Group Name already Exists!"); tbxGroupName.Focus(); return; } if (this.ActiveControl != null) { this.SelectNextControl(this.ActiveControl, true, true, true, true); } e.Handled = true; // Mark the event as handled } }