protected void URLPopUpControlAddSaleCustomer_OnBeforePopUpOpened(object sender, EventArgs e)
{
SaveDataIntoDataItemFromControls();
// create a new ledger and show this as a popup
Relation NewRel = new Relation();
NewRel.CustomerType = "Debtor";
ControlObjectContext.AddToRelationSet(NewRel);
ControlObjectContext.SaveChanges(SaveOptions.DetectChangesBeforeSave);
URLPopUpControlAddSaleCustomer.URLToPopup = "webformpopup.aspx?uc=CustomerRelation&Id=" + NewRel.Id.ToString();
}