State Management Techniques Client Side Server Side
1 Viewstate session
2 same (.aspx) all (.aspx)
3 Data stored in the browser (view page source or CTRL+U) and search for aspNetHidden and there you go the value and we can decode Viewstate value using the tools ViewstateDecoder data stored in server and ASP.NET_SessionId is sent to client (cookies)

if client Blocks sites from setting any data then  ASP.NET_SessionId is sent via URL ( Query string )

Note : Dont store critical info in View state 

<div class=”aspNetHidden”>
<input type=”hidden” name=”__VIEWSTATE” id=”__VIEWSTATE” value=”value goes here” />



mode mode session values are stored in
1 Custom user defined –customized
2 InProc  IIS
3 Off dosent store any were
4 SQLServer SQL Server database
5 StateServer  separate Windows service