if I am getting it right, the excel contains the details of user and the 20 text boxes at your application need to filled up with these details.
if so follow these steps
loop through the number of data rows and data columns in your excel sheet
take the value from each row and column and assign it to the text boxes there.
if you need more help on this tell us how ur excel looks like and what are the fields to be filled.
if so follow these steps
loop through the number of data rows and data columns in your excel sheet
take the value from each row and column and assign it to the text boxes there.
if you need more help on this tell us how ur excel looks like and what are the fields to be filled.