public void InsertUser(RayUser user)
 {
     if (_source != null)
     {
         _source.InsertUser(user);
     }
 }
 public void UpdateUser(RayUser user)
 {
     throw new NotImplementedException();
 }
 public void UpdateUser(RayUser user)
 {
     if (_source != null)
     {
         _source.UpdateUser(user);
     }
 }
 public void InsertUser(RayUser user)
 {
     throw new NotImplementedException();
 }