WebClient读取错误页面的内容

Question

我有一个加载页面内容的应用程序.我使用WebClient类.我需要检索内容,即使服务器返回错误,如404,500,...我需要这样的东西:

WebClient wc = new WebClient();
string pageContent;
try {
    pageContent = wc.DownloadString("http://example.com/page");
}
catch (WebException ex)
{
    pageContent = ex.Response.PageContent; // <-- I need this
}

Answer 1

你可以试试这个:

WebClient wc = new WebClient();
string pageContent;
try {
    pageContent = wc.DownloadString("http://example.com/page");
}
catch (WebException ex)
{
    Stream receiveStream = ex.Response.GetResponseStream();
    Encoding encode = System.Text.Encoding.GetEncoding("utf-8");
    StreamReader readStream = new StreamReader( receiveStream, encode );
    pageContent=readStream.ReadToEnd();
}