使用HTTP PUT将文件上载到Sharepoint(WSS 3.0)文档库

嗨,我有以下代码将文件上传到Sharepoint.它使用HTTP PUT:

public static string UploadFile(string destUrl, string sourcePath)
        {
            try
            {
                Uri destUri = new Uri(destUrl);
                FileStream inStream = File.OpenRead(sourcePath);
                WebRequest req = WebRequest.Create(destUri);
                req.Method = "PUT";
                req.Headers.Add("Overwrite", "F");
                req.Timeout = System.Threading.Timeout.Infinite;
                req.Credentials = CredentialCache.DefaultCredentials;
                Stream outStream = req.GetRequestStream();
                string status = CopyStream(inStream, outStream);
                if (status == "success")
                {
                    outStream.Close();
                    WebResponse ores = req.GetResponse();
                    return "success";
                }
                else
                {
                    return status;
                }
            }
            catch (WebException we)
            {
            return we.Message;
            }
            catch (System.Exception ee)
            {
            return ee.Message;
            }
        }

当我运行此代码时,我得到异常:

"远程服务器返回错误:(409)冲突."

有没有人对我出错的地方有任何想法？

谢谢,

亚历克斯

当我引用文档库的url而不是目标文件本身时,我遇到了这个问题.

即尝试http://服务器名称/文档库名称/新文件名.doc