private void detach_Uploads(Upload entity)
		{
			this.SendPropertyChanging();
			entity.Congty = null;
		}
		private void attach_Uploads(Upload entity)
		{
			this.SendPropertyChanging();
			entity.Congty = this;
		}
 partial void UpdateUpload(Upload instance);
 partial void DeleteUpload(Upload instance);
 partial void InsertUpload(Upload instance);