asp.net - Jquery AJAX to asmx web method get error as response -


ok, do:

client:

function ajaxcall(url, method, data, onsuccessfunction, onerrorfunction) {     var ajaxdata = data;     ajaxdata = json.stringify(ajaxdata);     var ajaxurl = url + "/" + method;     $.ajax({         type: "post",         url: ajaxurl,         data: ajaxdata,         contenttype: "application/json; charset=utf-8",         datatype: "json",         success: function () {             onsuccessfunction.apply(this, arguments);         },         error: function () {             $('.progressbar').hide();             onerrorfunction.apply(this, arguments);         }     }); }  $(document).ready(function () {     ajaxcall("http://localhost:34714/webservice1.asmx", "getchart", { filename: 'excel-demo.xlsx', sheet: 'chart_param' }, gettradingviewsuccess, gettradingviewerror)  });  var gettradingviewsuccess = function (data) {  }  var gettradingviewerror = function (jqxhr, textstatus, errorthrown) {  }

asmx:

using system; using system.collections.generic; using system.data; using system.data.oledb; using system.linq; using system.web; using system.web.script.services; using system.web.services; using webapplication2.classes;  namespace webapplication3 {     /// <summary>     /// summary description webservice1     /// </summary>     [webservice(namespace = "http://tempuri.org/")]     [webservicebinding(conformsto = wsiprofiles.basicprofile1_1)]     [system.componentmodel.toolboxitem(false)]     // allow web service called script, using asp.net ajax, uncomment following line.      // [system.web.script.services.scriptservice]     public class webservice1 : system.web.services.webservice     {          [system.web.script.services.scriptmethod()]         [webmethod]         public string add()         {             return "sd";         }          [webmethod(enablesession = true)]          public chart getchart(string filename, string sheet)         {            chart c = new chart();            //do              return c;         }     } }

web config:

<?xml version="1.0"?>  <configuration>     <system.web>       <webservices>         <protocols>           <add name="httpget"/>           <add name="httppost"/>         </protocols>       </webservices>        <compilation debug="true" targetframework="4.5.1" />       <httpruntime targetframework="4.5.1" />     </system.web>  </configuration>

and every time error message:

post http://localhost:34714/webservice1.asmx/getchart 500 (internal server error)send @ jquery-1.7.2.min.js:4f.extend.ajax @ jquery-1.7.2.min.js:4ajaxcall @ common.js:5(anonymous function) @ chart.html:15o @ jquery-1.7.2.min.js:2p.firewith @ jquery-1.7.2.min.js:2e.extend.ready @ jquery-1.7.2.min.js:2c.addeventlistener.b @ jquery-1.7.2.min.js:2 errorthrown "internal server error"

i put break point in asmx file - getchart webmethod, never reached it. doing wrong?

// allow web service called script, using asp.net ajax, uncomment following line.

uncomment line below that.

// [system.web.script.services.scriptservice]

becomes

[system.web.script.services.scriptservice]


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