public void DeleteFromRepository(WarehouseLocation item)
        {
            if (_repositoryContext.GetEntityDescriptor(item) != null)
            {
                //if it exists in the db delete it from the db
                WarehouseEntities context = new WarehouseEntities(_rootUri);
                context.MergeOption = MergeOption.AppendOnly;
                context.IgnoreResourceNotFoundException = true;
                WarehouseLocation deletedWarehouseLocation = (from q in context.WarehouseLocations
                                                              where q.WarehouseLocationID == item.WarehouseLocationID
                                                              select q).FirstOrDefault();
                if (deletedWarehouseLocation != null)
                {
                    context.DeleteObject(deletedWarehouseLocation);
                    context.SaveChanges();
                }
                context = null;

                _repositoryContext.MergeOption = MergeOption.AppendOnly;
                //if it is being tracked remove it...
                if (GetWarehouseLocationEntityState(item) != EntityStates.Detached)
                {
                    _repositoryContext.Detach(item);
                }
            }
        }