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<ajaxToolkit:ValidatorCalloutExtender> not working
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  • Vinay Singh
    Hi,
    Please check yourValidatorCalloutExtender is also inside the update panel or not. If it's not inside the update panel just put it inside the update panel .
    have a look of the link

    http://www.aspdotnet-pools.com/2014/08/display-validation-in-tooltip-using.html

    http://stackoverflow.com/questions/8336168/asp-net-an-updatepanel-with-a-textbox-that-need-validation
    http://www.nullskull.com/q/10318875/validatorcallout-extednder-inside-updatepanel.aspx
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