我試圖讓這個代碼運行:的Silverlight 4.0:使用Web客戶端UploadStringAsync POST請求到.NET 4 Webservice的
Silverlight應用程序xaml.cs:
private void SavePoiRequest(MyPushpin pin)
{
WebClient wc = new WebClient();
wc.Headers["Content-Type"] = "application/x-www-form-urlencoded";
wc.Encoding = Encoding.UTF8;
wc.UploadStringCompleted += new UploadStringCompletedEventHandler((sender, e) =>
{
if (e.Error != null)
{
return;
}
AddressTextBox.Text = e.Result;
});
String name = pin.Name;
String lat = pin.Location.Latitude.ToString().Replace(",",".");
String lng = pin.Location.Longitude.ToString().Replace(",",".");
String address = pin.Address;
String photodesc = pin.PhotoDesc;
String poistory = pin.Tag.ToString();
StringBuilder sr = new StringBuilder();
sr.Append("createpoi?name="+name+ "&lat=" + lat + "&lng=" + lng + "&adr=" + address + "&desc=" + photodesc + "&story=" + poistory);
String parameter = sr.ToString();
wc.UploadStringAsync(new Uri("http://localhost:80/"), "POST", parameter);
AddressTextBox.Text = parameter;
}
Webservice的CS:
[WebInvoke(UriTemplate = "createpoi?name={name}&lat={latitude}&lng={longitude}&adr={address}&desc={photodescription}&story={poistory}", Method = "POST")]
public String SetPoiPOST(string name, string latitude, string longitude, string address, string photodescription, string poistory)
{
int newid = -1;
POI_Man poimanager = new POI_Man();
MemoryStream resultstream = new MemoryStream();
if (!string.IsNullOrEmpty(name) &&
!string.IsNullOrEmpty(latitude) &&
!string.IsNullOrEmpty(longitude) &&
!string.IsNullOrEmpty(address) &&
!string.IsNullOrEmpty(photodescription) &&
!string.IsNullOrEmpty(poistory)
)
{
//newid = poimanager.CreatePOI_alt(address, name, photodescription, poistory);
newid = poimanager.CreatePOI(name, latitude, longitude, address, photodescription, poistory);
poimanager.Generate("xml");
resultstream = poimanager.WriteMessage(newid.ToString());
WebOperationContext.Current.OutgoingResponse.ContentType = "text/plain";
}
if (poimanager.NoError)
{
resultstream = poimanager.WriteMessage(newid.ToString());
WebOperationContext.Current.OutgoingResponse.ContentType = "text/plain";
//resultstream = (this.GetPoi(newid.ToString()) as MemoryStream);
}
else
{
resultstream = poimanager.WriteMessage("Beim anlegen des POI ist ein Fehler aufgetreten."
+ Environment.NewLine + "Haben Sie einen Parameter vergessen?");
WebOperationContext.Current.OutgoingResponse.ContentType = "text/plain";
}
return newid.ToString();
}
Web服務不會從客戶端獲取任何內容。難道我做錯了什麼?
我可以通過WebClient OpenWriteAsync通過POST請求聯繫服務器。但我需要服務器對lastID的響應,所以我使用UploadStringAsync來代替。 你能幫我嗎?
再見 洲
UriTemplate定義在哪裏? – ssmith 2011-09-23 14:23:32
@ssmith Bit遲了我知道,但它在System.ServiceModel – 2013-06-14 08:36:16
protip,如果你寫一個類型名稱,還沒有導入它,只要按Ctrl +句點和VS會爲你找到它。 – zneak 2014-05-26 18:02:58