private void detach_MarkRequests(MarkRequest entity)
		{
			this.SendPropertyChanging();
			entity.User = null;
		}
		private void attach_MarkRequests(MarkRequest entity)
		{
			this.SendPropertyChanging();
			entity.User = this;
		}
 partial void UpdateMarkRequest(MarkRequest instance);
 partial void DeleteMarkRequest(MarkRequest instance);
 partial void InsertMarkRequest(MarkRequest instance);