how to restrict the user not to redirect to other page when check box is checked in gridview using asp.net with c#

Question

hi, iam using asp.net with c#

in my gridview control in template field iam having a checkbox control
when user selects the checkbox that row should be added to data base when user clicks on add button, but user is selecting  the check box but without clicking on add button the user is clicking the next button to navigate on other page .how to handle this situation. can u give me example which helps me