jquery - How to frame AJAX request -


i need call wcf service webpage. method in service uses generic list argument,i need know how frame ajax query?

method:

  public list<filelistentity> listlogfiles(string status, list<filelistentity> filelist) {   .............//implementation....   return filelist; }

1st time when method called 'filelist' passed null, method populates list , send website. 2nd time website sends received filelist along status service.

ajax query:

var status = definestatus(); var value; var jsonobj; function calllogservice(){     debugger;      if (value == null) {         jsonobj = "null";     }     else {        jsonobj=value;     }     $.ajax({         type: "post",         url: "http://localhost:56256/searchservice.svc/listlogfiles",         data: '{"status":"'+ status+'","filelist":'+jsonobj+' }',         crossdomain: true,         contenttype: "application/json; charset=utf-8",         datatype: "json",         processdata: true,         success: function (response) {             value = response;             display(value);             debugger;             alert("success");             //debugger;         },         error: function () {             alert("an error has occured, please try refreshing !");         }     });   }

this works 1st time when jsonobj null doesn't works second time when jsonobj contains value. says:

failed load resource: server responded status of 500 (internal server error)

i think argument not passed correctly during second time. idea? how resolve.

finally found answer, data i'm sending service wrong. 1st change

if (value == null) {     jsonobj = "null"; } else {    jsonobj=value.d; }

value.d(or value.data in case, check using debugger) contains actual data.

2nd change, inside ajax query write:

data: json.stringify({ status: status, filelist: jsonobj })

instead of data: '{"status":"'+ status+'","filelist":'+jsonobj+' }',


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