Adding different controls to grid view row

See more:

C#

ASP.NET

hi
i have a table like this

sno   sname marks action
1     siva  89     --
2     mahi  56     --

now i have seperate button to add row.once i click on add row then i have add row like this to the existing grid

sno   sname    marks          action
1     siva      89             --
2     mahi      56             --
3   (label)  (textbox)  (edit submit/cancel delete button)

now once i enter text box value and click on submit it will store on data base.

thanks in advance friends and seniors...