I want to limit a multiple selection to 1, because I want this format of list. I want to see all list always and don't want a dropdown list, and If I quit multiple="multiple"
apears a dropdown list.
So, this is the code:
gsp:
<div class="field ${hasErrors(bean: cmd, field: 'subtypes', 'error')}">
<label for="subtypes">
<g:message code="requestSRO.requestSubtype.label"/>
</label>
<g:select name="subtypes" from="${requestSubtypes}" optionKey="code" multiple="multiple" optionValue="description" value="${cmd?.subtypes}" style="width: 100%;height: 100px" disabled="${!requestSubtypes ? true: false}"/>
</div>
I think <g:select>
doesn't have a property to set the max limit of selections.
Don't use multiple="multiple"
to change the way the select is displayed. Instead, set the size
attribute to a number greater than 1.
<g:select size="2" name="subtypes" from="${requestSubtypes}" optionKey="code" optionValue="description" value="${cmd?.subtypes}" style="width: 100%;height: 100px" disabled="${!requestSubtypes ? true: false}"/>
If you want to display the entire list of subtypes, you could set size="${requestSubtypes.size()}"
.