Cast jsondata to NameValueCollection - asp.net

Question

I trying to pass JSON from jQuery to .ASHX file.
I want retrieve JSON data in .ASHX file by HttpContext and cats to NameValueCollection.
How do it?
$.ajax({
url: "GetLetterInformationHandler.ashx",
data: "{'Name':'david', 'Family':'logan'}",
contentType: "application/json; charset=utf-8",
type: "Get",
datatype: "json",
onSuccess: function (data) {
}
});
Now I can use the querystring and And cast as follows:
public void ProcessRequest(HttpContext context)
{
HttpResponse response = context.Response;
string cururl = context.Request.Url.ToString();
int iqs = context.Request.Url.ToString().IndexOf('?');
string querystring = (iqs < cururl.Length - 1) ? cururl.Substring(iqs + 1) : String.Empty;
NameValueCollection parameters = HttpUtility.ParseQueryString(querystring);
context.Response.ContentType = "text/plain";
}
I want use json insted of querystring

Answer 1

Try this:
$.map(data.d, function (item) {
return {
name: item.Name,
family: item.Family
};
})
Or if you want each function:
var resultData = data.d;
$.each(resultData, function() {
alert(this)
})

Answer 2

I have made some changes hope this will help you :)
Ajax function
$.ajax({
type: "POST",
url: "GetLetterInformationHandler.ashx",
data: "{'Name':'david', 'Family':'logan'}",
contentType: "application/json; charset=utf-8",
dataType: "json",
success: function(data) {
if( data != null){
if (data.msg == "SUCCESS"); {
alert( data.msg)
}
}
},
error: function(XMLHttpRequest, textStatus, errorThrown) {
alert(textStatus);
}
});
.ASHX file
public void ProcessRequest(HttpContext context)
{
string outputToReturn = String.Empty; // Set it to Empty Instead of ""
context.Response.ContentType = "text/json";
var getName = String.Empty ;
var getFamily = String.Empty ; // Make sure if the Particular Object is Empty or not
if (!string.IsNullOrEmpty(context.Request["Name"]))
{
getName = context.Request["Name"];
}
if (!string.IsNullOrEmpty(context.Request["Subject"]))
{
getFamily = context.Request["Subject"];
}
NameValueCollection nvc = new NameValueCollection();
nvc.Add(getName, getFamily);
var dict = new Dictionary<string, string>();
foreach (string key in nvc.Keys)
{
dict.Add(key, nvc[key]);
}
string json = new JavaScriptSerializer().Serialize(dict);
Console.WriteLine(json);
}