Image Reorder on client and sequence of upload rename

//Iterate through uploaded data and save the original file, thumbnail, and description.
for (int i = 1; i <= fileCount; i++)
{
	//Get source file and save it to disk.
	HttpPostedFile sourceFile = Request.Files["SourceFile_" + i];
	string fileName = i;//GetSafeFileName(Path.GetFileName(sourceFile.FileName));
	sourceFile.SaveAs(Server.MapPath(galleryPath + fileName));

	//Get first thumbnail (the single thumbnail in this code sample) and save it to disk.
	HttpPostedFile thumbnail1File = Request.Files["Thumbnail1_" + i];
	thumbnail1File.SaveAs(Server.MapPath(galleryPath + "Thumbnails/" + fileName + ".jpg"));

	//Save file info.
	XmlElement xmlFile = descriptions.CreateElement("file");
	xmlFile.SetAttribute("name", fileName);
	xmlFile.SetAttribute("width", Request.Form["Width_" + i]);
	xmlFile.SetAttribute("height", Request.Form["Height_" + i]);
	xmlFile.SetAttribute("description", Request.Form["Description_" + i]);

	descriptions.DocumentElement.AppendChild(xmlFile);
}