private void detach_EntityTinNhans1(EntityTinNhan entity)
		{
			this.SendPropertyChanging();
			entity.EntityUser1 = null;
		}
		private void attach_EntityTinNhans(EntityTinNhan entity)
		{
			this.SendPropertyChanging();
			entity.EntityUser = this;
		}
	partial void UpdateEntityTinNhan(EntityTinNhan instance);
	partial void DeleteEntityTinNhan(EntityTinNhan instance);
	partial void InsertEntityTinNhan(EntityTinNhan instance);