Form submit / Post in ASP.NET
1. Add 1 button in your web page
2. See in property window for that button.
3. Fill PostbackURL with page you will submit. (action page in asp classic)
4. Add Hidden Fields object (from toolbox) to your web page as much as you want.
5. Change Hidden Fields ID using properties Windows.
That's All.
Once you click the button, all hidden Fields will be submit.
In your destination page add syntax (in page load) :
Request.Form("Hidden Fields ID")
Hope this help you.