Hi Khansaab,
Change the red section below to the path of your gallery folder.
using (DotNetGallery.GalleryDataProvider provider = DotNetGallery.GalleryDataProvider.CreateInstance(Context, "~/GalleryFiles/"))
For example
In my test site I set property "GalleryFolder " like below
galleryBrowser1.GalleryFolder = "~/Photos/Animals";
So the code should be
using (DotNetGallery.GalleryDataProvider provider = DotNetGallery.GalleryDataProvider.CreateInstance(Context, "~/Photos/Animals"))
Regards,
ken