public static void Download(HttpResponse response, string filePath, string fileName)
{
var fileType = PathUtils.GetExtension(filePath);
var fileSystemType = EFileSystemTypeUtils.GetEnumType(fileType);
response.Buffer = true;
response.Clear();
response.ContentType = EFileSystemTypeUtils.GetResponseContentType(fileSystemType);
response.AddHeader("Content-Disposition", "attachment; filename=" + UrlEncode(fileName));
response.WriteFile(filePath);
response.Flush();
response.End();
}
