I am working with a wizard, where the user can sign up. There is a asp:RadioButtonList with two options, and some of the input fields in the wizard changes when the radiobut
You can disable the validator like described in these posts:
http://www.aspdev.org/articles/asp.net-server-controls-disable-validation/
http://www.willasrari.com/blog/use-client-side-javascript-to-disable-aspnet-validators/000289.aspx
best regards