Question

I was trying to invoke a webservice from phonegap android app using jQuery .ajax
But im getting the response as null .

$.ajax({
type: “GET”,
data: ‘{continent: “‘ + $(‘#txtContinent’).val() + ‘”}’,
url: “http://localhost:60931/Service1.asmx/GetCountries”,

        contentType: "application/json; charset=utf-8",
        dataType: "json",
        success: function(response) {

        alert(response);

        },
        failure: function(msg) {

            $('#result').empty().append(msg);
        }
    });

can anyone help me in invoking a web service from phonegap app using jQuery .ajax

Answer 1

it will not work until you implement JSONP for your Webservice.
JSONP lets remote calles happen, because cross-site XHR calls are not permitted by default.

A nice implementation of JSONP for ASP.Net Webservices:

http://bloggingabout.net/blogs/adelkhalil/archive/2009/08/14/cross-domain-jsonp-with-jquery-call-step-by-step-guide.aspx