private void UpdateFreight()
{
SOReturnDetails clsSOReturnDetails = new SOReturnDetails();
clsSOReturnDetails.CreditMemoID = Convert.ToInt64(lblCreditMemoID.Text);
clsSOReturnDetails.Freight = Convert.ToDecimal(txtSOFreight.Text);
SOReturns clsSOReturns = new SOReturns();
clsSOReturns.UpdateFreight(clsSOReturnDetails.CreditMemoID, clsSOReturnDetails.Freight);
clsSOReturns.SynchronizeAmount(Convert.ToInt64(lblCreditMemoID.Text));
clsSOReturnDetails = clsSOReturns.Details(Convert.ToInt64(lblCreditMemoID.Text));
clsSOReturns.CommitAndDispose();
UpdateFooter(clsSOReturnDetails);
}