public bool IsExistingLoginID(string loginID, int userID)
 {
     IUserComponent component = new UserComponent();
     bool result = false;
     try
     {
         result = component.IsExistingLoginID(loginID, userID);
     }
     catch (Exception e)
     {
         throw new FaultException(e.Message);
     }
     return result;
 }