Editing values from DB

Hello Every One Please Solve My Problem

 

1. I like to display values from  DB using repeter control when i click on edit it has to go next page like edit page with id of perticulor record.

2. In this edit page displaying values using text box normally

Up to this i did and working correctly

 my problem is in this edit page i like to update the values but it not getting

Please give solution for this