private bool NewWarehouseType(string id)
{
WarehouseType item = new WarehouseType();
//all new records will be give a negative int autoid...
//when they are updated then sql will generate one for them overiding this set value...
//it will allow us to give uniqueness to the tempory new records...
//Before they are updated to the entity and given an autoid...
//we use a negative number and keep subtracting by 1 for each new item added...
//This will allow it to alwasy be unique and never interfere with SQL's positive autoid...
_newWarehouseTypeAutoId = _newWarehouseTypeAutoId - 1;
item.AutoID = _newWarehouseTypeAutoId;
item.WarehouseTypeID = id;
item.CompanyID = ClientSessionSingleton.Instance.CompanyID;
item.IsValid = 1;
item.NotValidMessage = "New Record Key Field/s Are Required.";
WarehouseTypeList.Add(item);
_serviceAgent.AddToWarehouseTypeRepository(item);
SelectedWarehouseType = WarehouseTypeList.LastOrDefault();
AllowEdit = true;
Dirty = false;
return(true);
}