从我的C＃应用​​程序访问webDav文件夹时出现401未经授权的错误？

Question

我已经在Debian linux上设置了WebDAv服务器，并且可以正常使用，因为我可以使用FireFox和IE进行连接。

但是，当我尝试通过以下代码连接它时，它返回：

"The remote server returned and error:(401) Unauthorized error"

---

try
{
                // Build the SQL query.
                strQuery = "<?xml version=\"1.0\"?><D:searchrequest xmlns:D = \"DAV:\" >";
                strQuery += "<D:sql>SELECT \"DAV:href\" FROM scope('hierarchical traversal of \"";
                strQuery += strRootURI + "\"')</D:sql></D:searchrequest>";

                // Create a new CredentialCache object and fill it with the network
                // credentials required to access the server.
                MyCredentialCache = new System.Net.CredentialCache();
                MyCredentialCache.Add(new System.Uri(strRootURI),
                   "NTLM",
                   new System.Net.NetworkCredential(strUserName, strPassword)
                   );

                // Create the HttpWebRequest object.
                Request = (System.Net.HttpWebRequest)HttpWebRequest.Create(strRootURI);

                // Add the network credentials to the request.
                Request.Credentials = MyCredentialCache;

                // Specify the method.
                Request.Method = "SEARCH";

                // Encode the body using UTF-8.
                bytes = Encoding.UTF8.GetBytes((string)strQuery);

                // Set the content header length.  This must be
                // done before writing data to the request stream.
                Request.ContentLength = bytes.Length;

                // Get a reference to the request stream.
                RequestStream = Request.GetRequestStream();

                // Write the SQL query to the request stream.
                RequestStream.Write(bytes, 0, bytes.Length);

                // Close the Stream object to release the connection
                // for further use.
                RequestStream.Close();

                // Set the content type header.
                Request.ContentType = "text/xml";

                // Send the SEARCH method request and get the
                // response from the server.
                Response = (HttpWebResponse)Request.GetResponse();

                // Get the XML response stream.
                ResponseStream = Response.GetResponseStream();

                // Create the XmlTextReader object from the XML
                // response stream.
                XmlReader = new XmlTextReader(ResponseStream);

                // Read through the XML response, node by node.
                while (XmlReader.Read())
                {
                    // Look for the opening DAV:href node.  The DAV: namespace is
                    //typically assigned the a: prefix in the XML response body.
                    if (XmlReader.Name == "a:href")
                    {
                        // Advance the reader to the text node.
                        XmlReader.Read();

                        // Display the value of the DAV:href text node.
                        Console.WriteLine("Value: " + XmlReader.Value);
                        Console.WriteLine("");

                        //Advance the reader to the closing DAV:href node.
                        XmlReader.Read();
                    }
                }

                // Clean up.
                XmlReader.Close();
                ResponseStream.Close();
                Response.Close();

            }

我无法理解为什么在相同的凭据通过Web浏览器正常工作时为什么会发生anuathorized错误。 有域，因此我将“域”字段留为空白。

这是身份验证类型NLTM还是其他类型。 请帮忙 。

谢谢，

苏本

Answer 1

在以下帖子中回答：

WebDAV PROPFIND的示例代码