"geertolaerts@gmail.com" wrote:

> Hello,
>
> I have a problem with uploading off images to my webservice, i convert
> them to a byte[] at client side but something goes wrong when i try to
> convert them back to a image at server side.
> The webservice code:
> [WebMethod]
> public bool PutImage(byte[] ImgIn)
> {
> System.IO.MemoryStream ms =
> new System.IO.MemoryStream(ImgIn);
> System.Drawing.Bitmap b =
> (System.Drawing.Bitmap)Image.FromStream(ms);
>
> b.Save("test.png",
> System.Drawing.Imaging.ImageFormat.Png);
>
> return true;
> }
> and the code at client side:
> private void button1_Click(object sender, EventArgs e)
> {
> string dir = System.Environment.CurrentDirectory;
> localhost.Service t2 = new localhost.Service();
> if (openFileDialog1.ShowDialog() == DialogResult.OK)
> {
> System.Environment.CurrentDirectory = dir;
> string ImageFilename = openFileDialog1.FileName;
> Bitmap bmpt = new Bitmap(openFileDialog1.FileName);
> Bitmap bmp = new Bitmap(bmpt);
> // Create stream....
> MemoryStream ms = new MemoryStream();
>
> // save the image to the stream
> bmp.Save(ms, ImageFormat.Bmp);
> t2.PutImage(ms.GetBuffer());
> }
> }
> the error i get is in the save function of the webservice: A generic
> error occurred in GDI+.
> at System.Drawing.Image.Save(String filename, ImageCodecInfo
> encoder, EncoderParameters encoderParams). My code is almost the same
> as this: http://www.codeproject.com/soap/ImageUploadWS.asp so it
> should work but i don't see what could cause the error. I did put the
> right permissions ;).
>