wp8 入门到精通 WebClient Post

WebClient wc = new WebClient();

var URI = new Uri("http://your_uri_goes_here");

//If any encoding is needed.

wc.Headers["Content-Type"] = "application/x-www-form-urlencoded";

//Or any other encoding type.

//If any key needed

wc.Headers["KEY"] = "Your_Key_Goes_Here";

wc.UploadStringCompleted += new UploadStringCompletedEventHandler(wc_UploadStringCompleted);

wc.UploadStringAsync(URI, "POST", "Data_To_Be_sent");

void wc_UploadStringCompleted(object sender, UploadStringCompletedEventArgs e)
{

try
{
MessageBox.Show(e.Result);
//e.result fetches you the response against your POST request.

}

catch (Exception exc)
{
MessageBox.Show(exc.ToString());
}

}

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using Newtonsoft.Json.Linq;
using Newtonsoft.Json;

JObject ubody = new JObject();

ubody.Add(new JProperty("cmd", "user"));
JObject uData = new JObject();
uData.Add(new JProperty("name", ""));
uData.Add(new JProperty("sex", ""));
uData.Add(new JProperty("age", ""));
ubody.Add(new JProperty("data", uData));

string Content = JsonConvert.SerializeObject(ubody);

Uri address = new Uri("http://api.api.cn/");
WebClient webClient = new WebClient();
webClient.UploadStringAsync(address, "POST", Content);
webClient.Encoding = System.Text.Encoding.UTF8;
webClient.Headers[HttpRequestHeader.Accept] = "*/*";
webClient.Headers[HttpRequestHeader.ContentType] = "application/x-www-form-urlencoded";
webClient.Headers[HttpRequestHeader.UserAgent] = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1)";
webClient.UploadStringCompleted += (s1, e1) =>
{
try
{
ShellToast toast = new ShellToast();
toast.Title = "Background Agent Sample";
toast.Content = e1.Result;
toast.Show();

}
catch (Exception ex)
{

}
};