Check uploaded image's dimensions

Question

I\'m using asp.net 3.5 and c# on my web site. Here is my question:

I have an upload button and asp:Image on a page. An user can upload an image from his computer and

Answer 1

Try this:

Stream ipStream = fuAttachment.PostedFile.InputStream;
using (var image = System.Drawing.Image.FromStream(ipStream))
{                    
    float w = image.PhysicalDimension.Width;
    float h = image.PhysicalDimension.Height;
}