partial void DeleteAdClick(AdClick instance);
 partial void UpdateAdClick(AdClick instance);
 private void detach_AdClicks(AdClick entity)
 {
     this.SendPropertyChanging();
     entity.Ad = null;
 }
 partial void InsertAdClick(AdClick instance);
 private void attach_AdClicks(AdClick entity)
 {
     this.SendPropertyChanging();
     entity.Ad = this;
 }