void LoadAinType()
 {
     try
     {
         Session["AinType"] = BLLAinType.GetAinType(null, null, 0);
         List <ATTAinType> AinTypeList = (List <ATTAinType>)Session["AinType"];
         this.lstAinType.DataSource     = AinTypeList;
         this.lstAinType.DataTextField  = "AINTYPENAME";
         this.lstAinType.DataValueField = "AINTYPEID";
         this.lstAinType.DataBind();
     }
     catch (Exception ex)
     {
         this.lblStatusMessage.Text = ex.Message;
         this.programmaticModalPopup.Show();
     }
 }