[ACCEPTED]-jquery - creating a generic ajax function-jquery

Accepted answer

Score: 19

This is what's comes to my mind with "generic" - but 1 it's still asynchronous:

function CallMethod(url, parameters, successCallback) {
                //show loading... image

                $.ajax({
                    type: 'POST',
                    url: url,
                    data: JSON.stringify(parameters),
                    contentType: 'application/json;',
                    dataType: 'json',
                    success: successCallback,
                    error: function(xhr, textStatus, errorThrown) {
                        console.log('error');
                    }
                });
            }

CallMethod(url, pars, onSuccess);

function onSuccess(param) {
    //remove loading... image
    //do something with the response
}

Score: 0

I know I've gotten [object][Object] back 4 before....are you sure your application 3 is returning json? If not, Json.NET makes 2 it pretty easy. You might need to call $.parseJSON 1 too.

Score: 0

$.ajax is a generic jQuery function.

You 11 want to do something like this:

$(function() {
            function LoadPersons(data) {
                // do something with data
            }

            $.ajax({
                type: 'POST',
                url: url,
                data: JSON.stringify(parameters),
                contentType: 'application/json;',
                dataType: 'json',
                success: function(result) {
                    // do something with persons (data)
                    // e.g. LoadPersons(data);
                }
            });
   });

In text form:

Your 10 ajax success should be the bit that's responsible 9 for doing something with the data after 8 it's successfully been returned. Your previous 7 method tries to return data before the AJAX 6 method has necessarily been completed. You 5 can just add the $.ajax method directly 4 inside $(function() { .. }) so it's called 3 upon page load.

Also, I recommend using a 2 tool such as Firebug to examine the output 1 / response of AJAX calls.

Source: stackoverflow.com

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