Hi,
In adition to what has written above, you can download .Net Express edition from here http://www.microsoft.com/express/ to build small application connecting to SQL Server
Hemantgiri S. Goswami | MS SQL Server MVP
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"Humans don't have Caliber to PASS TIME , Time it self Pass or Fail Humans" - by Hemantgiri S. Goswami
http://hemantgirisgoswami.blogspot.com
http://forums.surat-user-group.org/

Disclaimer: This post is provided as is, for the sake of knowledge sharing only.