AJAX :: Runat="server" Attribute Is Required For Ajaxcontroltoolkit Controls?

Aug 27, 2010

1)we are calling them as client side controls,then what is the need for runat server attribute?

2)<asp:Button ID="Button1" runat="server" Text="Button" />
<asp:ConfirmButtonExtender ID="Button1_ConfirmButtonExtender" runat="server"
ConfirmText="Really?" Enabled="True" TargetControlID="Button1">

when i execute the above code,i observed that in status bar message as "connecting to localhost",if they are client side controls what is the need of going to local server,why it is happening?

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