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PODisallowed key characters while uploading image in base64 format
 

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  1. PODisallowed key characters while uploading image in base64 format
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    <p>I'm developing Windows phone(8.0)apps and I'm new to it,I'm using below code to post image to server in <code>Base64</code> format using post client</p> <pre><code>Uri uri = new Uri(UPLOAD_IMAGE_PATH); UploadImageData requestData = new UploadImageData(); requestData.image = base64String; string jsonString = JsonConvert.SerializeObject(requestData); PostClient proxy = new PostClient(jsonString); proxy.DownloadStringCompleted += new PostClient.DownloadStringCompletedHandler(proxy_DownloadStringCompleted); proxy.DownloadStringAsync(uri); </code></pre> <p>where <code>base64String</code> is my image string encoded in Bae64 by using below code</p> <pre><code>internal static string ImageToBase64String(Stream choosenPhoto,Image image) { WriteableBitmap bmp = new WriteableBitmap((BitmapSource)image.Source); byte[] byteArray; using (MemoryStream stream = new MemoryStream()) { bmp.SaveJpeg(stream, bmp.PixelWidth, bmp.PixelHeight, 0, 100); byteArray = stream.ToArray(); return Convert.ToBase64String(byteArray); } } </code></pre> <p>In below response it returns "<code>disallowed key charaters</code>" on <code>result</code>.</p> <pre><code>void proxy_DownloadStringCompleted(object sender, WindowsPhonePostClient.DownloadStringCompletedEventArgs e) { string result = e.Result; } </code></pre> <p>But when i post same JSON string using <code>REST Client</code> from Mozilla, JSON response from server is successfull. I searched about this and i got some links <a href="https://stackoverflow.com/questions/8114512/disallowed-key-character-error-in-codeigniter">link 1</a>, <a href="https://stackoverflow.com/questions/5423212/codeigniter-disallowed-key-characters">link 2</a> that i need to allow characters on server side in <code>Input.php</code> file, So exactly what kind of character i need to allow. It works from <code>REST Client</code> did i miss something in my C# code, Please help me</p>
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    1. USCommunity
    1. USRaj Kumar
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    1. COYou really really shouldn't post a image as a base64 encoded string in a json request. Instead use a POST request with the binary data, and the .NET API will handle the conversion itself.
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      1. PODisallowed key characters while uploading image in base64 format
      1. USClaus Jørgensen
    2. COThanks Claus, but API's are developed in PHP and i do not have any control on that.
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      1. USRaj Kumar
 

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