How to reset all validators and validation summary on asp.net page

How to reset all validators and validation summary on asp.net page 

<script type="text/javascript">
    function Page_ClientValidateReset() {
        if (typeof (Page_Validators) != "undefined") {
            for (var i = 0; i < Page_Validators.length; i++) {
                var validator = Page_Validators[i]; 
                validator.isvalid = true;
                ValidatorUpdateDisplay(validator);
            }
        }

 $("[id$=Validationsummary]").html("");  
    }
</script>

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