Using WebClient to download string from ASP.NET Web Service Error

[adriancs]

I have a simple ASP.NET Web Service:

using System;
using System.Collections.Generic;
using System.Web;
using System.Web.Services;
using System.Web.Script.Services;
using System.Web.Script.Serialization;
using System.Web.UI.WebControls;
using System.Web.UI;

namespace WebService1
{
    /// <summary>
    /// Summary description for Service1
    /// </summary>
    [WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [System.ComponentModel.ToolboxItem(false)]
    [ScriptService]
    public class Service1 : System.Web.Services.WebService
    {
        [WebMethod]
        [ScriptMethod(ResponseFormat = ResponseFormat.Json)]
        public string Get()
        {
            member mem = new member();
            mem.hello = "hello hello hello";
            mem.kalon = "fafasdf";
            mem.name = "wfasdfawe";
            return new JavaScriptSerializer().Serialize(mem);
        }

        [WebMethod]
        public string HelloWorld()
        {
            return "Hello World";
        }
    }

    public class member
    {
        public string hello { get; set; }
        public string name { get; set; }
        public string kalon { get; set; }
    }
}

I'm facing problem to retrieve the string from SilverLight by using WebClient. Can you enlighten me? I uses the below code to get the string from the WebService.

WebClient wc = new WebClient();

public MainPage()
{
    InitializeComponent();
    wc.DownloadStringCompleted += new DownloadStringCompletedEventHandler(wc_DownloadStringCompleted);
}

private void button1_Click(object sender, RoutedEventArgs e)
{
    Uri uri = new Uri("http://www.MyWeb.com/Service1.axms/Get");
    wc.DownloadStringAsync(uri);
}

void wc_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
    MessageBox.Show(e.Error.ToString());
    MessageBox.Show(e.Result);
}

And I receive error:

System.Security .SecurityExcept ion ---> System.Security .SecurityExcept ion: Security error. at System.Net.Brow ser.BrowserHttp WebRequest.Inte rnalEndGetRespo nse(IAsyncResul t asyncResult) at System.Net.Brow ser.BrowserHttp WebRequest.<>c_ DisplayClass5.b _4(Object sendState) at System.Net.Brow ser.AsyncHelper .<>c_DisplayCla ss4.b_1(Object sendState) --- End of inner exception stack trace --- at System.Net.Brow ser.AsyncHelper .BeginOnUI(Send OrPostCallback beginMethod, Object state) at System.Net.Brow ser.BrowserHttp WebRequest.EndG etResponse(IAsy ncResult asyncResult) at System.Net.WebC lient.GetWebRes ponse(WebReques t request, IAsyncResult result) at System.Net.WebC lient.DownloadB itsResponseCall back(IAsyncResu lt result)

I have tried this too, still getting the same error:

Uri uri = new Uri("http://www.MyWeb.com/Service1.axms?op=Get");
wc.DownloadStringAsync(uri);

[adriancs]

I have solve the problems. These links provide the required answers:

http://msdn.microsoft.com/en-us/library/cc197955%28v=vs.95%29.aspx

http://msdn.microsoft.com/en-us/library/cc197937(v=vs.95).aspx

http://msdn.microsoft.com/en-us/library/cc838250%28v=vs.95%29.aspx

http://msdn.microsoft.com/en-us/library/cc197940(v=vs.95).aspx