我想從Web API調用PostAsync方法使用System.Net.Http.HttpClient。我得到以下錯誤:與Web Api的PostAsync HttpClient錯誤 - System.AggregateException「任務被取消。」
System.AggregateException "A task was canceled."
任務:
Id = 1, Status = System.Threading.Tasks.TaskStatus.Canceled, Method = "{null}", Result = "{Not yet computed}"
代碼:
using (HttpClientHandler handler = new HttpClientHandler())
{
handler.Credentials = new NetworkCredential("MyUsername", "[email protected]");
using (HttpClient client = new HttpClient(handler))
{
var postData = new List<KeyValuePair<string, string>>();
postData.Add(new KeyValuePair<string, string>("status", "Hello world"));
HttpContent content = new FormUrlEncodedContent(postData);
var responseTask = client.PostAsync(url, content).ContinueWith(
(postTask) =>
{
postTask.Result.EnsureSuccessStatusCode();
});
}
我假設responseTask將強制方法來同步運行?
這是一個WPF應用程序,而不是ASP.NET。