protected void URLPopUpControlAddMaterialForThisLocation_OnBeforePopUpOpened(object sender, EventArgs e)
{
SaveDataIntoDataItemFromControls();
// create a new ledger and show this as a popup
Material NewMat = new Material();
NewMat.MaterialUnit = ControlObjectContext.MaterialUnitSet.First();
NewMat.PurchaseLedgerBookingCode = ControlObjectContext.LedgerBookingCodeSet.First();;
NewMat.SalesLedgerBookingCode = ControlObjectContext.LedgerBookingCodeSet.First();;
NewMat.Category = "Other";
NewMat.VATPercentage = 19;
NewMat.Location = DataItem as Location;
NewMat.Location.MaterialForDirt = NewMat;
ControlObjectContext.AddToMaterialSet(NewMat);
ControlObjectContext.SaveChanges(SaveOptions.DetectChangesBeforeSave);
URLPopUpControlAddMaterialForThisLocation.URLToPopup = "webformpopup.aspx?uc=StockMaterial&Id=" + NewMat.Id.ToString();
}