Check QueryString value is changed by user or not in ASP.Net

hi,

i have query string parameter thru whcih data is calling on page like this is the query string addproductstep2?ID=2239709016042017012817

i want user should not be able to change the query string values if user change the query string value and then click enter to reload page or refresh the browser it should redirect user on error page.

i see many websites are doing that.

please advice thanks