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ASP.NET HTML 控件 XML RadiobuttonList

asp.net html 控件 xml radiobuttonlist

<%@ import namespace="system.data" %>

<script  runat="server">
sub page_load
if not page.ispostback then
   dim mycountries=new dataset
   mycountries.readxml(mappath("countries.xml"))
   rb.datasource=mycountries
   rb.datavaluefield="value"
   rb.datatextfield="text"
   rb.databind()
end if
end sub

sub displaymessage(s as object,e as eventargs)
lbl1.text="your favorite country is: " & rb.selecteditem.text
end sub
</script>

<!doctype html>
<html>
<body>

<form runat="server">
<asp:radiobuttonlist id="rb" runat="server"
autopostback="true" onselectedindexchanged="displaymessage" />
<p><asp:label id="lbl1" runat="server" /></p>
</form>

</body>
</html>
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