The UI page fields not visible

[21pa1a6140]

The fields i created on the ui page when I click on try it button it is visible . But when I use that UI page the page is showing only the label names.
The fields like dropdown and textarea are not visible. The below is the code

<?xml version="1.0" encoding="utf-8" ?>

<j:jelly trim="false" xmlns:j="jelly:core" xmlns:g="glide" xmlns:j2="null" xmlns:g2="null">

<div id="dialog_form">

    <label>Resolution Code</label><br />

    <select id='rco'>

        <option value=''>Duplicate</option>

        <option value='Known error'>Known error</option>

        <option value='No resolution provided'>No resolution provided</option>

        <option value='Resolved by caller'>Resolved by caller</option>

        <option value='Resolved by change'>Resolved by change</option>

        <option value='Resolved by problem'>Resolved by problem</option>

        <option value='Resolved by request'>Resolved by request</option>

        <option value='Solution provided'>Solution provided</option>

        <option value='Workaround provided'>Workaround provided</option>

        <option value='User error'>User error</option>

    </select><br />

    <label>Resolution Notes</label><br />

    <textarea id='rno'></textarea><br />

    <g:dialog_buttons_ok_cancel ok="return validateForm()" cancel="return OnCancel()" />

</div>

</j:jelly>