private void attach_Tests(Tests entity)
		{
			this.SendPropertyChanging();
			entity.Questions = this;
		}
		private void detach_Tests(Tests entity)
		{
			this.SendPropertyChanging();
			entity.Questions = null;
		}
 partial void DeleteTests(Tests instance);
 partial void UpdateTests(Tests instance);
 partial void InsertTests(Tests instance);
		private void detach_Tests1(Tests entity)
		{
			this.SendPropertyChanging();
			entity.Categories1 = null;
		}
		private void attach_Tests1(Tests entity)
		{
			this.SendPropertyChanging();
			entity.Categories1 = this;
		}