how to add validator calloutextender in the requiredfieldvalidator for dropdown

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I am Having Three DropDown In My Page ...how to add validator calloutextender in the requiredfieldvalidator for dropdown ... Pls Help Me

Thanks In Advance

B.Amuthan

Posted 29-Jun-10 20:47pm

B.Amuthan

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koool.kabeer · Answer 1 · 2010-07-25T09:12:00

try this,

<asp:scriptmanager id="Scriptmanager1" runat="server" xmlns:asp="#unknown">

<asp:dropdownlist id="ddl1" runat="server" xmlns:asp="#unknown">
<asp:listitem>me
<asp:listitem>others
<asp:listitem>select

<asp:requiredfieldvalidator id="rfv1" runat="server" controltovalidate="ddl1" initialvalue="select" xmlns:asp="#unknown">
ErrorMessage="Please Give the Required Field">

<cc1:validatorcalloutextender id="v1" runat="server" targetcontrolid="rfv1" xmlns:cc1="#unknown">

CC1 is the extension that the AjaxLibrary uses