Inheritance: INotifyPropertyChanging, INotifyPropertyChanged
 partial void DeleteUserRole(UserRole instance);
 partial void UpdateUserRole(UserRole instance);
		private void detach_UserRoles(UserRole entity)
		{
			this.SendPropertyChanging();
			entity.User = null;
		}
 partial void InsertUserRole(UserRole instance);
		private void attach_UserRoles(UserRole entity)
		{
			this.SendPropertyChanging();
			entity.User = this;
		}