Ajax call to controller method not passing parameter

Question

I am trying to make an AJax call to a controller method the parameter is null no matter what I try. I have followed all the similar SO posts but to no avail. Sorry if the answer is there, I cant find it. The code I have is...

Ajax Call

 var sguid = $(nTr).attr('id'); $.ajax({ url: "/Dashboard/Reporting/GetBlacklistedSoftwareItems", type: 'POST', dataType: 'json', data: JSON.stringify({guid: sguid}), statusCode: { 404: function() { alert("page not found"); } }, success: function (data) { //DO Something }, error: function () { alert("error"); } });

Controller Method

public JsonResult GetBlacklistedSoftwareItems(string guid) { List<DeviceSoftware> ldevice = new List<DeviceSoftware>(); Guid i = Guid.Parse(guid); ReportMethods reportingMethods = new ReportMethods(); ldevice = reportingMethods.GetNonCompliantApplicationReport(CompanyId); DeviceSoftware ds = ldevice.Find(x => x.Device.Guid == i); List<DeviceApplication> da = new List<DeviceApplication>(); if (ds != null) { da = ds.DeviceApplications; } return Json(da, JsonRequestBehavior.AllowGet); }

The method is being hit its just guid is alway null. sguid does hold the data I am trying to pass. Can someone tell me what I am missing?

In your $.Ajax() call add contentType: "application/json; charset=utf-8" , then it will bre resolved — Desmond
– Desmond, Commented Apr 25, 2013 at 3:45

Fred · Accepted Answer · 2012-11-08 14:58:35Z

1

Against everything I read I changed

data: JSON.stringify({guid: sguid}),

To

data: {guid: sguid},

Now working.

answered Nov 8, 2012 at 14:58

Fred

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Comments

pmeyer · Accepted Answer · 2012-11-08 14:59:33Z

Fred,

You need to make GetBlacklistedSoftwareItems a post method....

try this...

[HttpPost] public JsonResult GetBlacklistedSoftwareItems(string guid) {

Desmond · Accepted Answer · 2013-04-25 03:47:28Z

Small changes needs to be done.

var sguid = $(nTr).attr('id'); $.ajax({ url: "/Dashboard/Reporting/GetBlacklistedSoftwareItems", contentType: "application/json; charset=utf-8" ,//This is very important type: 'POST', dataType: 'json', Data: JSON. stringify ({guild: squid}), statusCode: { 404: function() { alert("page not found"); } }, success: function (data) { //DO Something }, error: function () { alert("error"); }

});

Add the contentType: "application/json; charset=utf-8" , to the $.Ajax Call. :)

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