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event handling webcontrol

I have a webcontrol that extends from System.Web.UI.WebControl. It has
3 drop downlist for day, month, year. The day, month, year then form
the single property called SelectedDate. The control also lets the
user specify MinimumDate and MaximumDate. During design time I have
validations to ensure MinimumDate<SelectedDate<MaximumDate. How can I
achieve this during runtime.

Jul 25 '07 #1
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