How to set session timeout in web.config?

How to set session timeout in web.config?, someone asked me to explain?

Here I am explaning how to set session timeout in web.config.

if we want to set our custom timeout in our applications we can set it

in web.config.  we can set timeout session in

<configuration>à under <system.web>


  
<configuration>
<system.web>
<sessionState mode="InProc" timeout="20">
</sessionState>
</system.web>
</configuration>

Post your comments / questions