Not sure what else to do now, I've been stuck with this problem for a while, have looked around and nothing has worked. Maybe you can see something I don't?
This control is supposed to cause a post back, hide itself, and show the panel with the next steps..
<asp:ListBox ID="appliance_categoryarea" runat="server" AutoPostBack="true"
DataSourceID="appliance_category_DataSource"
DataValueField="CategoryTypeID" DataTextField="CategoryType"
rows="10" CausesValidation="false"/>
The complete validation group:
<asp:Panel ID="appliance_category" runat="server" Visible="true">
<span class="vi ...
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