Help me reguirding database connectivity

Hi, i am developing a support software(By this software we can get any quary from client) for a small company..i have completed my web pages in ms visual web development 2010.but i am getting connectivity problem with..if any can provide me any project in asp.net with c# and connected with SQL Server Database then that will  be very beneficial l  for me...please provide me any simple project ..i ll be very thankful for that.