partial void DeleteProject(Project instance);
 partial void UpdateProject(Project instance);
		private void detach_Projects(Project entity)
		{
			this.SendPropertyChanging();
			entity.ProjectType = null;
		}
 partial void InsertProject(Project instance);
		private void attach_Projects(Project entity)
		{
			this.SendPropertyChanging();
			entity.ProjectType = this;
		}