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Various methods to change the SELECT option of HTML drop-down box_HTML/Xhtml_Web page production

WBOY
Release： 2016-05-16 16:40:40
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The HTML page returned after submitting the form is re-rendered. Neither the value nor selectedIndex attributes of the SELECT control can make the drop-down box retain the state before submitting the form.

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A temporary solution is to add a script at the end of the vm file to assign a value to the drop-down box :

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The code is as follows:

<script> <br>$('#idState').val( '$!{state}'); <br></script>

Another solution is to set the default selected item :

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The way to write it in VTL is :

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code As follows: