Sir,
I am in a asp.net mini project. My issue is with adding master page into .aspx page.
I added a master page, then an web form, but i cannot refer master page into web form. I cannot dynamically refer master page. this is the screenshot when i add a web form:-
This is my master page :-
and I write code in page declaration part like this: MasterPageFile="~/Site1.Master"
Then in run, I getting the following error:-