you are using cookieless session, modify the web.config:<configuration>
<system.web>
<sessionState mode="InProc"
cookieless="false"
timeout="20"/>
</sessionState>
</system.web>
</configuration>
<system.web>
<sessionState mode="InProc"
cookieless="false"
timeout="20"/>
</sessionState>
</system.web>
</configuration>
1. run Internet Services Manager
2. right click on the Default Web Site to open its Properties page
3. go to ISAPI Filters tab
4. add
ASP.Net
C:\WINNT\Microsoft.NET\Framework\v1.0.3705\aspnet_filter.dll
or
C:\WINNT\Microsoft.NET\Framework\v1.1.4322\aspnet_filter.dll
great!
u r really an expert