public DataTable Getb_sys_Users()
 {
     using (SGBaseUser_WClient client = SoapClientFactory.CreateSGBaseUser_WClient())
     {
         byte[] loginTicket  = WebServiceSecurity.EncryptLoginer(Loginer.CurrentUser);
         byte[] receivedData = client.U_GetUsers(loginTicket);
         return(ZipTools.DecompressionDataSet(receivedData).Tables[0]);
     }
 }