partial void DeleteAspNetUserRole(AspNetUserRole instance);
 partial void UpdateAspNetUserRole(AspNetUserRole instance);
 private void detach_AspNetUserRoles(AspNetUserRole entity)
 {
     this.SendPropertyChanging();
     entity.AspNetRole = null;
 }
 partial void InsertAspNetUserRole(AspNetUserRole instance);
 private void attach_AspNetUserRoles(AspNetUserRole entity)
 {
     this.SendPropertyChanging();
     entity.AspNetUser = this;
 }