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POHttpWebRequest C# uploading a file
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  1. POHttpWebRequest C# uploading a file
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    copied!<p>using C#, I'm trying to integrate my web store w/ an email marketing client. I want to upload a comma delimited file of subscribers once a night. They say to get this to work, it has to be a form posts: multipart/form-data, but I'm not using a form. I'm able to connect to their servers but I keep getting back a Data can't be blank. Can anyone help me to get this working? </p> <pre><code>public static string Create() { string authInfo = "username" + ":" + "password"; string root = AppDomain.CurrentDomain.BaseDirectory; string file = root + "Folder\\work.txt"; FileInfo fi = new FileInfo(file); int fileLength = (int)fi.Length; FileStream rdr = new FileStream(file, FileMode.Open); HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(url); httpWebRequest.Method = "POST"; httpWebRequest.ContentType = "application/x-www-form-urlencoded"; httpWebRequest.Accept = "application/xml"; authInfo = Convert.ToBase64String(Encoding.Default.GetBytes(authInfo)); httpWebRequest.Headers["Authorization"] = "Basic " + authInfo; byte[] requestBytes = new byte[fileLength]; int bytesRead = 0; httpWebRequest.ContentLength = requestBytes.Length; using (Stream requestStream = httpWebRequest.GetRequestStream()) { while ((bytesRead = rdr.Read(requestBytes, 0, requestBytes.Length)) != 0) { requestStream.Write(requestBytes, 0, bytesRead); requestStream.Close(); } } //READ RESPONSE FROM STREAM string responseData; using (StreamReader responseStream = new StreamReader(httpWebRequest.GetResponse().GetResponseStream())) { responseData = responseStream.ReadToEnd(); responseStream.Close(); } return responseData; } </code></pre>
 

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