获得HttpWebResponse请求的详细错误内容

try
{}
catch (WebException ex)
{
HttpWebResponse response = (HttpWebResponse)ex.Response;
Console.WriteLine("Error code: {0}", response.StatusCode); using (Stream data = response.GetResponseStream())
{
using (StreamReader reader = new StreamReader(data))
{
string text = reader.ReadToEnd();
}
}
}