I'm in the process of trying to convert a website from classic ASP to .NET and while most of it has actually gone pretty well, this one particular page is driving me insane.

It should, in theory,...

Ah! That's got it; thanks.

I've got a page that should change, depending on which item on the dropdownlist is chosen. Unfortunately, the page seems to be ignoring whatever's selected and just clinging on to the first item on...