Asp.Net Mvc JQuery ajax input parameters are null

Question

I am trying to post some data with jQuery Ajax, but the parameters in my Ajax method are null.

This is simple test to send data:

 var dataPost = { ti         


        

Answer 1

We don't need the contentType: 'application/json; charset=utf-8', and $.toJSON

Here is the code makes me happy!

 $(function () {
        $("#btnSumbit").click(function () {
            $('#results').hide();
            $('#loadingmessage').show();
            var a = $("#query").val();

            $.ajax({
                type: "POST",
                url: "/Search/Index",
                data: ({ query: a }),
                datatype: "json",
                success: function (data) {
                    $('#results').empty();
                    for (var i = 0; i < data.length; i++) {
                        var div = "
" + data[i].Name + "
";
                        $("#results").append(div);

                    }
                    $('#loadingmessage').hide();
                    $('#results').show();
                },
                failure: function (errMsg) {
                    $('#loadingmessage').hide();
                    alert(errMsg);
                }
            });
        });
    });