private void GetPurchaseOrderList(string strWhereSql, string strOrderBySql)
 {
     try
     {
         objPurchaseOrderList = null;   // 初期化
         svcPurchaseOrderClient svc = new svcPurchaseOrderClient();
         svc.GetPurchaseOrderListCompleted += new EventHandler<GetPurchaseOrderListCompletedEventArgs>(this.GetPurchaseOrderListCompleted);
         svc.GetPurchaseOrderListAsync(Common.gstrSessionString, strWhereSql, strOrderBySql);
     }
     catch (Exception ex)
     {
         this.ProcessingDlgClose();
         ExMessageBox.Show(CLASS_NM + ".GetPurchaseOrderList" + Environment.NewLine + ex.ToString(), "エラー確認");
     }
 }