Select a country: Continents Countries Africa Asia Australia Europe North America South America Click on one of the continents from the first column. Its corresponding countries will be loaded in the second detail column using AJAX.

ASP.NET

<obout:Combobox id="cbo1" Title="Continents"> <DetailColumns> <obout:DetailColumn ID="cbo2" Title="Countries" AjaxMethod="loadCountries"> </obout:DetailColumn> </DetailColumns> </obout:Combobox>

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