System.Data.Sqlconnection
<p>in my application when i type sqlconnection it is not showing any intellisence, i added the namespace System.Data.Sqlclient not only sqlconnection even i am not getting Page calss can u help me.
actually i am sharing this application from my company server.</p>

<p>in our company previously there was .net 2.0 frame work when this project was developed(one year back).
yesterday our company installed 3.0 .net frame work is this any problem for previous project which are developed in 2.0 how can i go through this problem</p>
