Click event not fireing when page is inactive for some time

Ok, this is my problem :). I have couple of [WebMethods] in my code behind and using jquery ajax to get data from server. And then it happens :). After some time while page is inactive when i try to click on button which should have send request to server it simply does nothing for about half of minute and only then event is fired and i get response from server.

my javascript looks something like this:

addToCart.click(function () {

AddOrRemoveItemToCart($(this));

});

function AddOrRemoveItemToCart(control)
{
var itemId = contol.attr("id");
$('document').ready(function () {
        $.ajax({
            type: "POST",
            url: "Home.aspx/AddOrRemoveItemToCart",
            data: "{itemId:" + itemId + "}",
            contentType: "application/json; charset=utf-8",
            dataType: "json",
            success: function (data) {
                if (data.d.length > 0) {
                    SucessAddItemToCart(data.d);
                }
            },
            error: function (textStatus) {
                alert(textStatus);
            }
        });
    });
}

function SucessAddItemToCart(data)
{
//DO SOMETHING WITH DATA
}

And my server side cod开发者_Go百科e look something like:

[WebMethod]
public static List<CartItem> AddOrRemoveItemToCart(string itemId)
{
List<CartItem> items = new List<CartItem>();
List<CartItem>temp = new List<CartItem>();
bool check = false;
if(HttpContext.Current.Session["items"]!=null)
{
items = (List<CartItem>)HttpContext.Current.Session["items"];
foreach(CartItem c in items)
{
if(c.Id != itemId)
temp.Add(c);

else
check = true;
}
if(!check)
temp.Add(new CartItem{Id = itemId});
}
HttpContext.Current.Session["items"]=temp;
return temp;
}

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Normally I would have said your Session expired. But since the event fires after half a minute, it has to be something else.

Try to debug with Firebug and check if AddOrRemoveItemToCart gets called immediately. You can also see the traffic between the browser and the server.

---

Your event should fire immediately but as Remy said your Session has probably expired, and it takes some time to re-establish the session object and process the request.