Ajax call sending null value to controller am I sending the values correctly ?

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i can see in the debugger that data is stored in the arrays but when i am sending data to controller the obj is null can someone suggests where am i going wrong ?

What I have tried:

C#

     my model: 

        public class Hello
    {
        public List<string> name;
        public List<string> phone;
        public List<string> contact;
    
    }

my controller code is 
        
      public ActionResult Home(Hello obj) // obj is coming out to be null
        {
                 
        }


my script is 

         var names =[];
         var phones =[];
         var contacts = [];
           
         // some code to fill the arrays 

        var obj = JSON.stringify({
                name: names,
                phone: phones,
                contact: contacts,
              });
            debugger;
            $.ajax({
                cache: false,
                url: 'Home',
                data: { obj:obj },
                success: function (data) {
                    var response = JSON.parse(data);
                    window.location = 'Download?fileGuid=' + response.FileGuid
                                      + '&filename=' + response.FileName;
                }
            })

Posted 15-Jul-16 1:10am

Himaan Singh

Updated 15-Jul-16 3:54am

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Karthik_Mahalingam · Answer 1 · 2016-07-15T02:55:00

Solution 1

try this

C#

public ActionResult Home(string obj)
     {
         JavaScriptSerializer js = new JavaScriptSerializer();
         Hello objHello = js.Deserialize<Hello>(obj);
     }

add this reference

C#

using System.Web.Script.Serialization

Posted 15-Jul-16 2:55am

Karthik_Mahalingam

Richard Deeming · Answer 2 · 2016-07-15T03:54:00

Solution 2

Try moving the JSON.stringify call:

JavaScript

var obj = {
    name: names,
    phone: phones,
    contact: contacts,
});

$.ajax({
    cache: false,
    url: 'Home',
    data: JSON.stringify({ obj:obj }),
...

Posted 15-Jul-16 3:54am

Richard Deeming