C# - How To Make Property Declarable As Any Inheriting Type In Markup

Feb 2, 2010

I've seen various controls in ASP.NET with "collections" of objects, which you can use markup to define. For example:

<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<Triggers>
<asp
/Triggers>
</asp:UpdatePanel>

In the above example, you can add any number of triggers, and they can be of any type that extends UpdatePanelTrigger. I'd like to do something similar, but with only a single item instead of a collection

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