protected void btnSave_Click(object sender, EventArgs e) { try { ConfirmationLetterService.ReceiveConfirmationLetter(txtConfirmationLetterNo.Text, dtpReceiveDate.SelectedDate.GetValueOrDefault(DateTime.Today)); WebFormHelper.SetLabelTextWithCssClass(lblStatus, String.Format("Confirmation Letter {0} has been received.", txtConfirmationLetterNo.Text), LabelStyleNames.InfoMessage); btnSave.Enabled = btnCancel.Enabled = false; dtpReceiveDate.Enabled = false; btnRefresh.Enabled = false; dtpReceiveDate.DataBind(); } catch (Exception ex) { WebFormHelper.SetLabelTextWithCssClass(lblStatus, ex.InnerException.Message, LabelStyleNames.ErrorMessage); } }