If UpdateProgress content is not visible (is displayed under update panel's content), the fix is:
content div css: z-index: 10000; position: fixed;
Free source code and tutorials for Software developers and Architects using different programming languages: .NET, C#, VB.NET, ASP, PHP, MYSQL, SQL SERVER, ORACLE.
„The reasonable man adapts himself to the world;
The unreasonable one persists in trying to adapt the world to himself. Therefore, all progress depends on the unreasonable man.” -George Bernard Shaw-
If UpdateProgress content is not visible (is displayed under update panel's content), the fix is:
content div css: z-index: 10000; position: fixed;