protected bool PrepareOldWeighingForSorting()
{
// check whether this weighing may be deleted. If this is not the case then inform the user that this weighing is already processed.
ModelTMSContainer ControlObjectContext = new ModelTMSContainer(Session["CustomerConnectString"].ToString(), Session);
bool Success = false;
// start transaction
using (TransactionScope TS = new TransactionScope())
{
try
{
// add weighing materual as sorting material
Freight frg = Freight.SelectFreightByFreightId(CurrentWeighingId, ControlObjectContext);
frg.RecalcTotalWeightFromWeighing();
foreach (FreightWeighing fw in frg.FreightWeighing)
{
foreach (FreightWeighingMaterial fwm in fw.FreightWeighingMaterial)
{
FreightSortingMaterial fsm = new FreightSortingMaterial();
fsm.Material = fwm.Material;
fsm.Weight = fwm.NetWeight;
fsm.GrossWeight = fwm.GrossWeight;
fsm.TarraWeight = fwm.TarraWeight;
fsm.Freight = frg;
ControlObjectContext.AddToFreightSortingMaterialSet(fsm);
}
}
frg.RecalcTotalWeightFromSorting();
// and save to persistent storage
ControlObjectContext.SaveChanges(System.Data.Objects.SaveOptions.DetectChangesBeforeSave);
// commit the transaciton
TS.Complete();
Success = true;
}
catch (Exception ex) // commit or procedure failed somewhere
{
// rollback transaction
TS.Dispose();
// inform user
Common.InformUserOnTransactionFail(ex, Page);
}
}
return(Success);
}