public virtual bool DeleteByKey(int id)
 {
     ContactManager.ContactSource contactSource = ContactManager.ContactSource.Load(id);
     if ((contactSource == null))
     {
         return(CodeFluentPersistence.DefaultBooleanValue);
     }
     return(contactSource.Delete());
 }
 public virtual bool Delete(ContactManager.ContactSource contactSource)
 {
     ContactManager.ContactSource contactSource1 = contactSource;
     if ((contactSource1 == null))
     {
         return(CodeFluentPersistence.DefaultBooleanValue);
     }
     return(contactSource1.Delete());
 }