private void detach_proj_likes(proj_like entity)
		{
			this.SendPropertyChanging();
			entity.proj_user = null;
		}
		private void attach_proj_likes(proj_like entity)
		{
			this.SendPropertyChanging();
			entity.proj_user = this;
		}
 partial void Updateproj_like(proj_like instance);
 partial void Deleteproj_like(proj_like instance);
 partial void Insertproj_like(proj_like instance);