Speech recognition in asp.net

Hi friend,
  
              i want to speed recognition  in asp.net and c#.net.Already i try lot of methods but it is not working.any buddy help to me.i using vs 2008 and sql server 2005.
i want to get a recording speech and some data value also stored in database after my voice speech to recognition to match voice equal to get a data value  in database.
1st i want to how to stored in sound , data value and retrieve sound ,data value.check the speech.

Thanks,
kk