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鑑於以下原因,爲什麼網站不是有效?我收到以下錯誤消息。爲什麼不會通過這個網絡請求通過有效網站
try {
HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(@"http://wrtire1.tru-m.com/");
//2 websites that do this
// http://wrtire1.tru-m.com/
// http://acuraofaugusta.mobi/index.htm
webReq.Method = "HEAD";
HttpWebResponse webRes = (HttpWebResponse)webReq.GetResponse();
if (webRes.StatusCode == HttpStatusCode.OK)
Label1.Text = true.ToString();
} catch (Exception e) {
Label1.Text = "The remote server returned an error: (403) Forbidden. ";
// or I got this: The remote server returned an error: (500) Internal Server Error.
}
我收到此錯誤信息
The remote server returned an error: (500) Internal Server Error.
嗯,怎麼樣的錯誤信息?這會花5秒鐘做'Label1.Text = e.Message' – mellamokb 2011-05-13 20:06:43
@mellamokb'e.ToString()'會更好,因爲它也會包含堆棧跟蹤。 – Oded 2011-05-13 20:08:59
爲什麼要捕捉一個異常,如果你只是忽略它呢?關於錯誤消息有趣的是,它們傾向於包含有用的信息。 – David 2011-05-13 20:09:49