验证嵌套的datalist [英] validation on nested datalist

问题描述

<script language="javascript" type="text/javascript">
    function Validate(source, args) {
        var why;
        why = "";

//        for (var i = 1; i <= parseInt(document.getElementById('<%= dlDirectors.ClientID %>" + cntl + "_ddlDirectors').value); i++) {
        for (var i = 1; i <= 10; i++) {

        cntl = "";

        if (i < 10) {

            cntl = "_ctl0" + i;

        }

        else {

            cntl = "_ctl" + i;

        }

        var numclasseschanged = "<%= dlDirectors.ClientID %>" + cntl + "_ddlDirectors"

//        alert(document.getElementById(numclasseschanged).value)

        for (var m = 1; m <= parseInt(document.getElementById(numclasseschanged).value); m++) {

            cnt2 = "";

            if (m < 10) {

                cnt2 = "_ctl0" + m;

            }

            else {

                cnt2 = "_ctl" + m;

            }

            var surname = "<%= dlDirectors.ClientID %>" + cntl + "_DataList1" + cnt2 + "_director_surname"

            var givenname = "<%= dlDirectors.ClientID %>" + cntl + "_DataList1" + cnt2 + "_director_givenname"

            var howrelated = "<%= dlDirectors.ClientID %>" + cntl + "_DataList1" + cnt2 + "_director_howrelated"

            var perbenifit = "<%= dlDirectors.ClientID %>" + cntl + "_DataList1" + cnt2 + "_director_percentofbenifit"



            why += checkText(document.getElementById(surname))

            why += checkText(document.getElementById(givenname))

            why += checkText(document.getElementById(howrelated))

            why += checkText(document.getElementById(perbenifit))



        }

       }

        if (why != "") {



            alert("Please enter the fields marked in pink !");

            return args.IsValid = false;

        }

    }

    </script>

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