The process cannot access the file because it is being used by another process - using static class

Question

I get the error \"The process cannot access the file because it is being used by another process\" when I attempt to delete the files I just uploaded (this is at least a few sec

Answer 1

In your MakeThumbnail methods, make sure you're calling Dispose() on the Image types. That or use the using syntax:

using (Image img = Image.FromFile(ImgIn))
{
    // Your code
}