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Asked: 2026-06-01T07:26:57+00:00

I have a jsp where some radio buttons and textboxes depend on dropdown selection.

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I have a jsp where some radio buttons and textboxes depend on dropdown selection.
Here is my jsp and javascript code.

jsp

         <s:form action="crInquiry" name="form">    
            <s:select name="filterValue" list="headerList"
    onchange="OnChange(this.form.filterValue);" />
            <s:radio name="filter" list="#{'STATUS_FILTER_START':'START','STATUS_FILTER_END':'STOP'}" 
label="Stage"></s:radio>
            <s:textfield disabled="true" value="0" name="count" theme="css_xhtml"></s:textfield>
            <s:radio name="ascOrder"  list="#{'ASC':'ASC','DESC':'DESC'}"></s:radio>
            <s:submit value="Filter" onclick="gotopage('FilteredInquiryLog')"></s:submit>
            <s:submitvalue="Details" onclick="gotopage('crInquiry')"></s:submit>
            </s:form>

javascript 

<script type="text/javascript">
    function OnChange(dropdown) {
        var myindex = dropdown.selectedIndex;
        document.form.filter[0].disabled = false;
        document.form.filter[1].disabled = false;
    if (myindex == 8) {
            alert("8");
            document.form.filter[0].disabled = true;
            document.form.filter[1].disabled = true;
            document.form.count.disabled = false;
            document.form.submit.disabled = false;
        }
        else if (myindex == 9) {
            alert("9");
            document.form.filter[0].disabled = true;
            document.form.filter[1].disabled = true;
            document.form.count.disabled = true;
            document.form.submit.disabled = false;
        }

        else{
            document.form.filter[0].disabled = false;
            document.form.filter[1].disabled = false;
            document.form.count.disabled = true;
            document.form.submit.disabled = false;
            }
        }


    function gotopage(actionname)
    {   
            document.form.action=actionname+".action";
            document.form.submit();
    }
</script>

The problem is when I select an item on dropdown say element no. 8 or 9 so by javascript radio buttons should be disabled for both and textfield and radio button for 9.
When I select an item it disabled dependent radion button or textfield perfectly but when I submit, it show me the radio button enabled because I come to the same jsp.
What is the problem in my javascript?

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1 Answer

  1. Editorial Team

    You should check your dropdown value also on page onload event.

    Something like this 

    <script type="text/javascript">

/**
* This function will be called twice - once on onChage event, and once on onLoad event
*/
    function OnChange() {
    dropdown = document.getElementById('myDropDown');
        var myindex = dropdown.selectedIndex;
        document.form.filter[0].disabled = false;
        document.form.filter[1].disabled = false;
    if (myindex == 8) {
            document.form.filter[0].disabled = true;
            document.form.filter[1].disabled = true;
            document.form.count.disabled = false;
            document.form.submit.disabled = false;
        }
        else if (myindex == 9) {
            document.form.filter[0].disabled = true;
            document.form.filter[1].disabled = true;
            document.form.count.disabled = true;
            document.form.submit.disabled = false;
        }

        else{
            document.form.filter[0].disabled = false;
            document.form.filter[1].disabled = false;
            document.form.count.disabled = true;
            document.form.submit.disabled = false;
            }
        }


    function gotopage(actionname)
    {   
            document.form.action=actionname+".action";
            document.form.submit();
    }
</script>

<body onload="OnChange()">
<s:form action="crInquiry" name="form">    
            <s:select name="filterValue" list="headerList" id="myDropDown"
    onchange="OnChange();" />
            <s:radio name="filter" list="#{'STATUS_FILTER_START':'START','STATUS_FILTER_END':'STOP'}" 
label="Stage"></s:radio>
            <s:textfield disabled="true" value="0" name="count" theme="css_xhtml"></s:textfield>
            <s:radio name="ascOrder"  list="#{'ASC':'ASC','DESC':'DESC'}"></s:radio>
            <s:submit value="Filter" onclick="gotopage('FilteredInquiryLog')"></s:submit>
            <s:submitvalue="Details" onclick="gotopage('crInquiry')"></s:submit>
            </s:form>
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