private void detach_Works_Ons(Works_On entity)
 {
     this.SendPropertyChanging();
     entity.Project = null;
 }
 private void attach_Works_Ons(Works_On entity)
 {
     this.SendPropertyChanging();
     entity.Project = this;
 }
 private void attach_Works_Ons(Works_On entity)
 {
     this.SendPropertyChanging();
     entity.Employee = this;
 }
 partial void DeleteWorks_On(Works_On instance);
 partial void UpdateWorks_On(Works_On instance);
 partial void InsertWorks_On(Works_On instance);