partial void DeleteRole(Role instance);
 partial void UpdateRole(Role instance);
 partial void InsertRole(Role instance);
		private void detach_Roles(Role entity)
		{
			this.SendPropertyChanging();
			entity.Project = null;
		}
		private void attach_Roles(Role entity)
		{
			this.SendPropertyChanging();
			entity.Project = this;
		}