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12504357
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2012-09-19T23:41:19.050
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2012-09-19T23:47:18.970
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2012-09-19T23:47:18.970
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text
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Thank you for the reply. This is exactly what I was looking for, however ive run into a problem. Silverlight gives me the webcam snapshot as a WriteableBitmap type. Which I then tried to convert to a byte[] array before sending it over to MVC. It is saving to the database successfully, however it does not appear to be a valid image when I try to pull it back out from the database and display it. Is there an issue that you can see with my conversion code? Or perhaps can I send it over as an image type, or can I only send over byte[] arrays through http posts like this? In my Silverlight application: <pre><code> private void SendImage() { var client = new WebClient(); var uri = new Uri("http://localhost:4600/GuestBadge/GetCameraImage"); client.OpenWriteCompleted += (sender, e) => { var buffer = (byte[])e.UserState; e.Result.Write(buffer, 0, buffer.Length); e.Result.Close(); }; client.OpenWriteAsync(uri, "POST", ToByteArray(SnapShot)); } public static byte[] ToByteArray(WriteableBitmap bmp) { // Init buffer int w = bmp.PixelWidth; int h = bmp.PixelHeight; int[] p = bmp.Pixels; int len = p.Length; byte[] result = new byte[4 * w * h]; // Copy pixels to buffer for (int i = 0, j = 0; i < len; i++, j += 4) { int color = p[i]; result[j + 0] = (byte)(color >> 24); // A result[j + 1] = (byte)(color >> 16); // R result[j + 2] = (byte)(color >> 8); // G result[j + 3] = (byte)(color); // B } return result; } </code></pre> And in my controller: <pre><code> [HttpPost] public ActionResult GetCameraImage() { byte[] image = new byte[Request.InputStream.Length]; Request.InputStream.Read(image, 0, image.Length); var getPerson = (from a in db.Persons where a.PersonID == 3 select a).FirstOrDefault(); getPerson.Picture = image; db.SaveChanges(); return null; } </code></pre>
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1. POPOST image from webcam in Silverlight window to MVC Controller
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1. USccorrin
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