Although you are programming ASP.Net using the VB language - that is only the server-side.We control what the server does using .Net framework
JavaScript is used for client-side programming, meaning the "browser" does the work
Setting the focus is a client-side action- hence you need to use JavaScript
Learning the differences between what is server-side and client-side is an important concept in WEB development
I will take some time - but just ask yourself- does browser do this?(if yes - then it's client-side) or does the server? (server-side via Framework)
HTH
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