ThankQ Sir,
but I have put my application in server 2003 and iam new to this server 2003 .
So If i couldnt find the setteings to change application pool version .
even in web site properties iam finding ASp.Net version upto 2.0.
but i have already installed VS Studio 2008 and using my web site( which is in asp.net 3.5 version ).
So can please tell me briefly what should i do now...
and i see everything is working if i use script manager instead of toolscript manager in my web siteproject but iam unable to use Ajax Calender in page.
please relpy me as soon as possible.
waitingfor ur response .
Irfan-abdulirfanm@hotmail.com