How to Pass Parameters to WCF Service using javascript

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Hi All,

I'm developing an HTML application which I'm using only JavaScript. Here i'm able to get data when there is no need of passing parameters but while passing parameters data is not binding and also no error is throwing.

JavaScript

function cbReportWeek(FMonth) {
            var xmlhttp;

            //var reporturl = "http://localhost:12045/Service.svc/ReportWeekDropDown?FiscalMonth=" + FMonth;

            if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari
                xmlhttp = new XMLHttpRequest();
            }
            else {// code for IE6, IE5
                xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
            }
            //alert(FMonth);
            xmlhttp.onreadystatechange = function () {
                debugger
                if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {

                    var Items = JSON.parse(xmlhttp.responseText);
                    var data = Items;
                    var options;
                    var length = Items.ToFillReportWeekDropDownResult.length;
                    for (var i = 0; i < length; i++) {
                        $("#cbxReportWeek").append("<option>" + Items.ToFillReportWeekDropDownResult[i].ReportWeekName + "</option>");
                    }

                    document.getElementById('cbxReportWeek').selectedIndex = 1;
                }
                else {
                    document.getElementById('cbxReportWeek').innerHTML = '<option>Select Week</option>';
                }      
            }
            xmlhttp.open("POST", "http://localhost:12045/Service.svc/ReportWeekDropDown", true);
            xmlHttp.setRequestHeader("Content-type", "application/json");
            xmlhttp.send("FiscalMonth={'" + FMonth+"'}");
            //xmlhttp.send();
            alert(xmlhttp.responseXML);
            alert(xmlhttp.responseText);
        }

does any tell me where i'm doing wrong.Any help is much appreciated.

Thanks,
D Haraveer.

Posted 17-Jun-13 19:54pm

Dinesh1207

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Sunasara Imdadhusen · Answer 1 · 2013-06-17T22:47:00

Hello Dinesh,

You can use jquery as follow:

JavaScript

// create the Person object, case sensitive
var personObj = {name: "Imdad", phonenumber: "91"};

// the callback function when post is successful
var onAddUserSuccess= function(returnData) { 
  // do something with the returnData if needed 
};
// the post to your webservice or page
$.ajax({
 type: "POST",
 url: "Users.aspx/AddPerson",
 data: personObj,
 contentType: "application/json; charset=utf-8",
 dataType: "json",
 success: onAddUserSuccess
});