title: can i use ajaxToolkit:ModalPopupExtender in visual studio 2005
body: <p>I have a project in asp.net web form which is developed in visual studio 2005. I am trying to use modal popup(using  ajaxToolkit:ModalPopupExtender) but it's not working.But it's perfectly works in vs2010. This make me confused. Is it possible to make it happen in vs2005.</p>