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POWebDav 409 Error
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copied!<p>I am trying to add multiple files using WebDav. The directory I am trying to upload to is empty.</p> <p>I loop through the files and sent the files.</p> <p>1 Add doc1.txt to WebDav Server using HTTP Put -- Success always even if the files is already there.</p> <p>2 Add doc2.txt to WebDav Server using HTTP Put -- Always fails with a 409 error.</p> <p>It does not matter what file or order I process the files it always fails on the second file. Anyone have and idea?</p> <p>Here is the method I am using:</p> <pre><code>public static bool UploadFile(string url, string filePath) { if (!File.Exists(filePath)) { return false; } long fileLen = new FileInfo(filePath).Length; HttpWebRequest Request = (HttpWebRequest)HttpWebRequest.Create(url); Request.Credentials = mCredentials; Request.Method = WebRequestMethods.Http.Put; Request.ContentLength = fileLen; Request.SendChunked = true; // Specify that overwriting the destination is allowed. Request.Headers.Add(@"Overwrite", @"T"); Request.AllowWriteStreamBuffering = true; System.IO.Stream stream = Request.GetRequestStream(); FileStream fileStrem = new FileStream(filePath, FileMode.Open, FileAccess.Read); int transferRate = 4096; byte[] data = new byte[transferRate]; int read = 0; long totalRead = 0; try { do { read = fileStrem.Read(data, 0, data.Length); if (read > 0) { totalRead += read; stream.Write(data, 0, read); } } while (read > 0); } catch (Exception ex) { throw ex; } finally { stream.Close(); stream.Dispose(); stream = null; fileStrem.Close(); fileStrem.Dispose(); fileStrem = null; } HttpWebResponse Response; try { Response = (HttpWebResponse)Request.GetResponse(); } catch (WebException e) { if (e.Response == null) { Debug.WriteLine("Error accessing Url " + url); throw; } HttpWebResponse errorResponse = (HttpWebResponse)e.Response; //if the file has not been modified if (errorResponse.StatusCode == HttpStatusCode.NotModified) { e.Response.Close(); return false; } else { e.Response.Close(); Debug.WriteLine("Error accessing Url " + url); throw; } } //This case happens if no lastmodedate was specified, but the specified //file does exist on the server. Response.Close(); if (totalRead == fileLen) { return true; } else { return false; } } </code></pre>

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