Unable to recieve JSON from Webmethod using $.getJSON or Ajax call - json

Question

I have some JSON objects that I want to process on Client Side, but My WebMethod that I specified does not want to fire.
Here is the Ajax and GetJson methods i used in my Client Side Script:
GetSJON
$(document).ready(function() {
$(document).ready(function() {
//attach a jQuery live event to the button
$('#getdata').live('click', function() {
$.getJSON('/Members_Only/StockMovement/WebForm1.aspx/StockPlacementOptions', function(data) {
//alert(data); //uncomment this for debug
// alert(data.item1 + " " + data.item2 + " " + data.item3); //further debug
$('#showdata').html("<p>item1=" + data.item1 + " item2=" + data.item2 + " item3=" + data.item3 + "</p>");
});
});
});
Here is the Ajax
$(document).ready(function () {
$.ajax({
type: "POST",
url: "/Members_Only/StockMovement/WebForm1.aspx/StockPlacementOptions",
contentType: "application/json; charset=utf-8",
dataType: "json",
data: "{}",
success: function (res) {
$('#Results').append(CreateTableView(res)).fadeIn();
}
});
});
Both of these Methods Call StockPlacementOptions which is my WebMethod that look like this:
[WebMethod]
[ScriptMethod(ResponseFormat = ResponseFormat.Json,
UseHttpGet = true, XmlSerializeString = false)]
public static List<StockReturnMethod> StockPlacementOptions()
{
scmEntitiesPrimaryCon entities = new scmEntitiesPrimaryCon();
var binOptions = (from avail in entities.ProductAvailibleBins(1, 2)
select new StockReturnMethod() { LotID = (int)avail.LotID, LotName = avail.LotName, AreaID = (int)avail.AreaID, AreaName = avail.AreaName, BinID = (int)avail.BinID, BinName = avail.BinName }).ToList();
return binOptions;
}
If I can just get the JSON web Method to fire on $(document).ready event, I will be able to process and work with the data from there. I have also tried looking at a diffrent jQuery library like KnockoutJS with it's data processing capability, also no luck.
I am using ASP Webforms on Framework 4 with Html5 Markup.
Any advice will be greatly appreciated.

Answer 1

Why are you using two document.ready() handlers at your client side getJson and ajax
$(document).ready(function() { // <-------you can remove this handler
$(document).ready(function() {
$('#getdata').live('click', function() {
$.getJSON('/Members_Only/StockMovement/WebForm1.aspx/StockPlacementOptions', function(data) {
//alert(data); //uncomment this for debug
// alert(data.item1 + " " + data.item2 + " " + data.item3); //further debug
$('#showdata').html("<p>item1=" + data.item1 + " item2=" + data.item2 + " item3=" + data.item3 + "</p>");
});
});
}); // <-------you can remove this handler
although i am not sure this could be the issue but try this one if this helps.

Answer 2

I got it fixed by using a combination of KnockoutJS and ajax.
By utilizing the knockoutJS mapping model, I am able to manipulate the returned JSON anyway i want :)
Here is my Jquery that does the Mapping and obtains JSON from server.
<script type="text/javascript">
//Declareing Viewmodel For KnockoutJS
var viewModel;
//Using Mapping Plugin for Knockout JS
function bindModel(data) {
viewModel = ko.mapping.fromJS(data);
console.log(viewModel);
ko.applyBindings(viewModel);
}
//Onload ObtainJSON
$(document).ready(function () {
$.ajax({
url: "WebForm1.aspx/StockPlacementOptions",
// Current Page, Method
data: {},
// parameter map as JSON
type: "POST",
// data has to be POSTed
contentType: "application/json",
// posting JSON content
dataType: "JSON",
// type of data is JSON (must be upper case!)
timeout: 10000,
// AJAX timeout
success: function (result) {
bindModel(result);
},
error: function (xhr, status) {
alert(status + " - " + xhr.responseText);
}
});
});
</script>
I also changed the Webmethod slightly to obtain the result i wanted:
[WebMethod]
[ScriptMethod(ResponseFormat = ResponseFormat.Json)]
public static List<StockReturnMethod> StockPlacementOptions()
{
scmEntitiesPrimaryCon entities = new scmEntitiesPrimaryCon();
var binOptions = (from avail in entities.ProductAvailibleBins(1, 2)
select new StockReturnMethod() { LotID = (int)avail.LotID, LotName = avail.LotName, AreaID = (int)avail.AreaID, AreaName = avail.AreaName, BinID = (int)avail.BinID, BinName = avail.BinName }).ToList();
return binOptions;
}
And That's it :D
Thanks for all the help