protected void saveButton_Click(object sender, EventArgs e)
        {
            SalesOrderBLL salesOrder = new SalesOrderBLL();

            try
            {
                if (uncollectableAmountTextBox.Text!="0.00")
                {
                    salesOrder.SaveUncollectableAmountBySalesRecordId(idLabel.Text.Trim(),uncollectableAmountTextBox.Text.Trim());

                    uncollectableAmountTextBox.Text = "0.00";
                    GetSalesRecordById(salesRecordIdForViewHiddenField.Value.Trim());
                    GetSalesRecordProductListById(salesRecordIdForViewHiddenField.Value.Trim());
                }
                else
                {
                    msgbox.Visible = true;
                    msgTitleLabel.Text = "Validation Requiered.";
                    msgDetailLabel.Text = "Amounts Field is Empty!!!";

                }
            }
            catch (Exception ex)
            {
                msgbox.Visible = true; msgTitleLabel.Text = "Exception!!!"; msgDetailLabel.Text = ex.Message;
            }
            finally
            {
                salesOrder = null;
            }
        }