Question

What I tried in my project is like passing checkbox’s selected value as a comma separated string to json of my controller.. but i’m not getting a value to the json action.. it shows null over there.

How can I do this? Please help me

function getIds(checkList) 
{
    var idList = new Array();
    var loopCounter = 0;
    jQuery("input[name=" + checkList + "]:checked").each
    (
        function() 
        {
           idList[loopCounter] = jQuery(this).val();
           loopCounter += 1; 
        }
    );
       alert(idList);
          jQuery.getJSON("/Photos/CheckForIdsJson", { idList: idList });     
 }

 [AcceptVerbs(HttpVerbs.Get)]        
 public JsonResult CheckForIdsJson(Int32[] idList)
 {
       JsonResult result = new JsonResult();
        result.Data = idList;
         return result;
 }

Answer 1

You can have a look at this post : AJAX Post of JavaScript String Array to JsonResult as List<string> Always Returns Null? or this one : Send list/array as parameter with jQuery getJson . It seems that you have to indicate traditional: true in your ajax call.