private void detach_SubProjects(SubProject entity)
		{
			this.SendPropertyChanging();
			entity.Project = null;
		}
		private void attach_SubProjects(SubProject entity)
		{
			this.SendPropertyChanging();
			entity.Project = this;
		}
 partial void UpdateSubProject(SubProject instance);
 partial void DeleteSubProject(SubProject instance);
 partial void InsertSubProject(SubProject instance);