partial void DeleteUserCompany(UserCompany instance);
 partial void UpdateUserCompany(UserCompany instance);
		private void detach_UserCompany(UserCompany entity)
		{
			this.SendPropertyChanging();
			entity.user = null;
		}
 partial void InsertUserCompany(UserCompany instance);
		private void attach_UserCompany(UserCompany entity)
		{
			this.SendPropertyChanging();
			entity.user = this;
		}