private void UpdateSODiscount()
{
SOReturnDetails clsSOReturnDetails = new SOReturnDetails();
clsSOReturnDetails.CreditMemoID = Convert.ToInt64(lblCreditMemoID.Text);
clsSOReturnDetails.DiscountApplied = Convert.ToDecimal(txtSODiscountApplied.Text);
clsSOReturnDetails.DiscountType = (DiscountTypes)Enum.Parse(typeof(DiscountTypes), cboSODiscountType.SelectedItem.Value);
SOReturns clsSOReturns = new SOReturns();
clsSOReturns.UpdateDiscount(clsSOReturnDetails.CreditMemoID, clsSOReturnDetails.DiscountApplied, clsSOReturnDetails.DiscountType);
clsSOReturns.SynchronizeAmount(Convert.ToInt64(lblCreditMemoID.Text));
clsSOReturnDetails = clsSOReturns.Details(Convert.ToInt64(lblCreditMemoID.Text));
clsSOReturns.CommitAndDispose();
UpdateFooter(clsSOReturnDetails);
}