[Flex] Flex and asp.net data exchange __.net

Flex code: <?xml version= "1.0"  encoding= "Utf-8"?> <mx:application xmlns:mx= "http:// Www.adobe.com/2006/mxml " layout=" absolute "> <mx:webservice wsdl=" http://localhost:2016/Service/ SERVICE.ASMX?WSDL " id=" ws1 "> <mx:operation name=" Sqlcheck " result=" Resulthandler () "  >     <mx:request>         <sql>{ sqlstring.text}</sql>     </mx:request> </mx:operation> </mx:webservice > <mx:webservice wsdl= "http://localhost:2016/Service/Service.asmx?wsdl"  id= "Query" >          <mx:operation name= "Queryliuyan" >                  <mx:request>                          &nbsP;<info>                                  { Nameinput.text,titleinput.text,contentinput.text}                          </info>                  </mx:request>          </mx:operation> </mx:WebService> <mx:Script>      <! [Cdata[        import mx.rpc.events.ResultEvent;              [bindable]              private var asd:XML;              private function resulthandler (): void{                 asd = new xml ( Ws1.sqlcheck.lastResult);                  Datetest.dataprovider = asd.children ();                 title1.text &NBSP;=&NBSP;ASD.. TITLE[1];                 name1.text &NBSP;=&NBSP;ASD.. NAME[1];                 date1.text &NBSP;=&NBSP;ASD.. DATE[1];                 content1.text &NBSP;=&NBSP;ASD.. CONTENT[1];                 &NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP}     ]]> </mx :script>         <mx:datagrid x= " y=" " id=" Datetest ">                  <mx:columns>                          <mx:datagridcolumn headertext= "Theme"   datafield= "title"/>                          <mx:datagridcolumn headertext= "Author"   datafield= "Name"/>                          <mx:datagridcolumn headertext= "Date"   datafield= "Date"/>                          <mx:datagridcolumn headertext= "Contents"  datafield= "Content"/>                  </mx:columns>         </mx:DataGrid>          <mx:label  id= "SqlString"  x= " y=" 428 " text=" select title,name,date, Content from liuyan "/>         <mx:button x=" 466 "  y= " label=" Query " fontsize=" " click=" ws1.sqlcheck.send (); />         <mx:label x= "529"  y= " text=" "Label"  id= "Title1"  fontsize= "/>         <mx:label x=" 529 " y=" 130 " text=" Label "&nbspId= "name1"  fontsize= "/>         <mx:label x=" 529 "  y= "167"  text= "Label"  id= "Date1"  fontsize= ""/>          <mx:label x= "529"  y= "205"  text= "Label"  id= "Content1"  fontsize= "14"/ > </mx:Application>  net Code

using system; using system.web; using system.web.services; using system.web.services.protocols; using system.data.oledb; using system.collections; using system.data; [WebService (namespace =  "http://tempuri.org/")] [WebServiceBinding (Conformsto = wsiprofiles.basicprofile1_1)] public class service :  system.web.services.webservice {    public Service  ()  {         //If you are using a design component, uncomment the following line            InitializeComponent ();     &nbsp}     [webmethod]//displayed directly in the DataGrid     public string sqlscan (string sql)     {         oledbconnection connection = new oledbconnection ();         connection. connectionstring =  "provider=microsoft.jet.oledb.4.0;data source=";         connection. Connectionstring += server.mappath ("User.mdb");         system.data.oledb.oledbdataadapter liuyan = new  oledbdataadapter (sql, connection);         dataset dataset1 = new dataset ("test");         liuyan. Fill (DataSet1);         return dataset1. GETXML (); &NBSP;&NBSP;&NBSP;&NBSP}     [webmethod]//This is the connection database and is displayed in label      Public string sqlcheck (string sql)     {         oledbconnection connection = new oledbconnection ();         connection. connectionstring =  "Provider=microsofT.jet.oledb.4.0;data source= ";         connection. Connectionstring += server.mappath ("User.mdb");         system.data.oledb.oledbdataadapter tempadapter =  new oledbdataadapter (sql, connection);         dataset dataset = new dataset ("temp");         tempadapter.fill (DataSet);         return dataset. GETXML (); &NBSP;&NBSP;&NBSP;&NBSP}}