CacheEntryNotFound
ConnectFailure
ConnectionClosed
KeepAliveFailure
MessageLengthLimitExceeded
NameResolutionFailure
Pending
PipelineFailure
ProtocolError
ProxyNameResolutionFailure
ReceiveFailure
RequestCanceled
RequestProhibitedByCachePolicy
RequestProhibitedByProxy
SecureChannelFailure
SendFailure
ServerProtocolViolation
Success
Timeout
TrustFailure
UnknownError
, .
, GetResponseStream ()
HTTP GetResponseStream () WebResponse ProtocolViolationException, , . GetResponseStream (), , . ObjectDisposedException , . IOException, , , , .
, , .
// .
Using System; using System.Net; using System.10;
class NetExcDemo { static void Main() { int ch;
try {
// WebRequest URI. HttpWebRequest req = (HttpWebRequest)
WebRequest.Create (" http://www.McGraw-Hill.com ");
// . HttpWebResponse resp = (HttpWebResponse) req.GetResponse ();
// .
Stream istrm = resp.GetResponseStream();
/* ,
URI. 400 . <ENTER>, , 400 . */ for(int i=l;; i++) { ch = istrm.ReadByte(); if(ch == -1) break;
Console.Write ((char) ch); if((i % 4 0 0)==0) {
Console.Write (" <Enter>.");
Console.ReadLine();
}
}
// . // istrm. resp.Close ();
} catch(WebException exc) {
Console.WriteLine (" : " + exc.Message +
|
|
|
"\ : " + exc.Status);
} catch(ProtocolViolationException exc) {
Console.WriteLine(" : " + exc.Message);
} catch(UriFormatException exc) {
Console.WriteLine(" URI: " + exc.Message);
} catch(NotSupportedException exc) {
Console.WriteLine(" : " + exc.Message);
} catch(IOException exc) {
Console.WriteLine(" -: " + exc.Message);
} catch(System.Security.SecurityException exc) {
Console.WriteLine(" : " + exc.Message);
} catch(InvalidOperationException exc) {
Console.WriteLine(" : " + exc.Message);
}
}
}
, . , Create () :
WebRequest.Create(" http://www.McGraw-Hill.com/moonrocket ");
, .
: : (404) .
: ProtocolError
- www.McGraw-Hill. com moonrocket, URI, .
