AutoComplete设置隐藏输入框

        BehaviorID="AutoCompleteEx2"
         ServicePath="../WebService/ResinWebService.asmx"
         ServiceMethod="GetEmployeeByQuery"
         MinimumPrefixLength="1"
         CompletionInterval="1000"
         FirstRowSelected="true"
         EnableCaching="true"
         OnClientItemSelected="IAmSelected"
  
<script language="javascript">
      function GetSplitStr(srcStr,DelimiterCharacters)
      {
          var value=srcStr.split(DelimiterCharacters);
          if(value.length<2)
          {
           return "error";
          }
          else
          {
              return value[0];
          }
      }
              function IAmSelected( source, eventArgs)
              {
                  //将返回值放入到返回值框
                  //得到隐藏列
                  var TextValue=eventArgs.get_text();
                  document.getElementById("hideValue").value=GetSplitStr(TextValue,',');//拆分得到关键字.innerText
              }
  </script>