Parameter is Not Valid Error

We are working on Integration project which will get information from SOAP and output getting in byte. now i am trying to write it into memory stream to convert to PDF, but i am getting error message as below

"Parameter is Not Valid"

public string getimage(string s)
{
// var bytes = s;
byte[] bytes = Convert.FromBase64String(s);
Image image1;
try
{
using (var ms = new MemoryStream(bytes, 0, bytes.Length))
{
ms.Seek(0, SeekOrigin.Begin);
ms.Position = 0;
using (image1 = Image.FromStream(ms, true))
{
using (Image imageFile = image1)
{
FrameDimension frameDimensions = new FrameDimension(
imageFile.FrameDimensionsList[0]);
int frameNum = imageFile.GetFrameCount(frameDimensions);
string[] jpegPaths = new string[frameNum];
PdfDocument doc = new PdfDocument();
for (int frame = 0; frame < frameNum; frame++)
{
imageFile.SelectActiveFrame(frameDimensions, frame);
doc.Pages.Add(new PdfPage());
XGraphics xgr = XGraphics.FromPdfPage(doc.Pages[frame]);
using (Bitmap bmp = new Bitmap(imageFile))
{
using (var ms11 = new MemoryStream())
{
bmp.Save(ms11, System.Drawing.Imaging.ImageFormat.Png);
XImage img = XImage.FromStream(ms11);
PdfPage page = new PdfPage();
xgr.DrawImage(img, 0, 0, 595, 842);
}
}
}
byte[] fileContents = null;
using (MemoryStream stream = new MemoryStream())
{
doc.Save(stream, true);
fileContents = stream.ToArray();
}
TempData["file"] = Convert.ToBase64String(fileContents);
doc.Close();
return Convert.ToBase64String(fileContents);
}
}
}
}
catch (Exception ex)
{
throw ex;
}
}

Can someone suggest me what is wrong here here is my code as well. Getting error in row number 10.

4 Replies

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Rajesh Kumar5y ago
Thanks Sachin for your code. I just digged it, basically for all base64 image this code is working. If its base64 pdf then this issue coming. I am not sure. but looks like. Is there a way to handle it in code.
Sachin Singh5y ago
use this one
using (MemoryStream ms = new MemoryStream(bytes))
           {
               image = Image.FromStream(ms);
           }
Rajesh Kumar5y ago
It was working fine for some base64. But when i checked now. for some its same issue. Error triggering from below line
image1 = Image.FromStream(ms, true);
Sachin Singh5y ago
just use another version of memorystream that takes one argument only
using (var ms = new MemoryStream(bytes))
{
.......
write to stream


}