ASP.net - Button - Javascript Confirm dialog - execute SOME server-side code?

Question

I have a simple ASP.net page where users can edit information about themselves.

When \"Edit\" button is clicked, the form goes into edit mode and I display \"Save\"

Answer 1

Create a hidden field, and set the value of that field based on the result of the confirmation. You haven't shown the code/HTML for your button or form, but can you fit something like this into it: