after gave write permission also i am getting error " A generic error occurred in GDI+"

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hi, i am saving image in folder. i gave correct location and gave write permisstion for that particular folder, but still i am getting error " A generic error occured in GDI +".

here my code snippets:

conti,...

C#

MemoryStream oStream = new MemoryStream();
bitmap.Save(oStream, System.Drawing.Imaging.ImageFormat.Png);

string location = System.Web.Hosting.HostingEnvironment.ApplicationPhysicalPath;  // till now no erro. 
bitmap.Save(location + "Image\\temp\\" + Session.SessionID + "\\" + PhotoID.Trim() + ".Jpeg", ImageFormat.Jpeg); // here i am getting that error.
Response.BinaryWrite(oStream.ToArray());
bitmap.Dispose();

how to solve this one. Dispose();

Posted 24-Dec-13 1:45am

christhuxavier

Updated 24-Dec-13 2:39am

Tejas Vaishnav

v2

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Richard MacCutchan 24-Dec-13 12:19pm

Check that the final path and filename you are creating are valid.

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Adam Zgagacz · Answer 1 · 2013-12-24T12:59:00

I think it is related to how bitmap was created.

Basically:
If bitmap was created from memory stream, you must keep the stream open for the lifetime of the Bitmap. Otherwise GDI+ Exception is thrown ("A generic error occurred in GDI+".) when you try to save bitmap.

You don't show how bitmap is created but from behavior you describing I'm almost certain this is it.

Also check this:

http://stackoverflow.com/questions/1053052/a-generic-error-occurred-in-gdi-jpeg-image-to-memorystream[^]

and this:

http://stackoverflow.com/questions/336387/image-save-throws-a-gdi-exception-because-the-memory-stream-is-closed[^]

JoCodes · Answer 2 · 2013-12-24T17:47:00

When Bitmap object constructed from a file, the file remains locked for the lifetime of the object. So cannot modify image and save it back to the same file where it constructed.

Try like below

C#

using (MemoryStream oStream = new MemoryStream())
{
    using (FileStream fs = new FileStream(location, FileMode.Create, FileAccess.ReadWrite))
    {
        bitmap.Save(oStream , ImageFormat.Png);
        byte[] bytes = oStream.ToArray();
        fs.Write(bytes, 0, bytes.Length);
    }
}

Hope this helps you...

after gave write permission also i am getting error " A generic error occurred in GDI+"

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