Asp.net dynamic structure

I want to create a website where it is possible to add dynamically "X" dropdown-lists (or other elements)

These dropdown-lists should be shown on the website and furthermore there should be an other 开发者_如何学运维element be shown, that depends on the dropdown-list (for example: if the user chooses option "A" there is a checkbox, if the user chooses "B" there is a input field)

Is this possible with ASP.NET (Vb.net)? (I know that this works with PHP)

thanks in advance

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Yes, it's possible with Asp.Net. But my advice to you is to do it with javascript framework such jquery or ExtJs without request to server.