Hi kgmmurugesh,
I'd like to give some more information in addtion after I reviewed your problem.
Here's a Data Access Tutorials for .net. These tutorials are geared to be concise and provide step-by-step instructions with plenty of screen shots to walk you through the process visually.
http://www.asp.net/Learn/data-access/Besides, if you have any problem when learning, you could ask in
http://forum.asp.net.
Youcould get better resolvent there.
If there's any problem, please feel free to let me know.
Best regards,
Steven Yu