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    <p>In my example, I have a set of drop downs that are tiered dependent (Coldbox 3.5+, CF9)</p> <p>Using bindCFC and cfajax , here is an example of the first two drop downs the second being dependent</p> <p><strong>My view snippet</strong></p> <pre><code>&lt;cfform&gt; &lt;cfselect name="groups" id="groups" bind="cfc:#getSetting('AppMapping')#.model.dynform.getGroups()" bindOnLoad="Yes" display="group_name" value="group_id" /&gt; &lt;cfselect name="events" id="events" selected="#form.event_id#" bind="cfc:#getSetting('AppMapping')#.model.dynform.getEventsByGroup({groups})" display="event_name" value="event_id" queryPosition="below"&gt; &lt;/cfform&gt; </code></pre> <p><strong>My model (dynform) snippet</strong></p> <pre><code>&lt;cffunction name="getGroups" access="remote" output="false" returntype="query"&gt; &lt;cfset var qGroups = ""&gt; &lt;cfquery datasource="#application.DSN#" name="qGroups"&gt; SELECT egc.nd_event_group_id group_id, egc.short_desc group_name FROM event_group_code egc WHERE egc.status_code = 'A' ORDER BY egc.sort_order &lt;/cfquery&gt; &lt;cfreturn qGroups&gt; &lt;/cffunction&gt; &lt;cffunction name="getEventsByGroup" access="remote" output="false" returntype="query"&gt; &lt;cfargument name="event_group_id" type="string" required="true"&gt; &lt;cfset var qEventsByGroup = ""&gt; &lt;cfquery datasource="#application.DSN#" name="qEventsByGroup"&gt; SELECT ec.event_id, ec.FULL_DESC as event_name FROM events ec WHERE ec.event_group_id = &lt;cfqueryparam cfsqltype="cf_sql_varchar" value="#arguments.event_group_id#"&gt; &lt;/cfquery&gt; &lt;cfreturn qEventsByGroup&gt; &lt;/cffunction&gt; </code></pre> <p>Though the above will work, I ended up ditching it for the jQuery/ajax return JSON approach. The reasons why:</p> <ol> <li><p>Coldbox way = Handlers should be doing the work, not views</p></li> <li><p>CFajax/cfselect was slower than jQuery ajax, and with less options. (What if I want a multiple select box? Or three data attributes returned rather than two?)</p></li> <li><p>I didn't want to use the cfform tag in my view, which cfselect requires</p></li> </ol> <p>I can post the jQuery ajax way if needed, but I think I answered the original question</p>
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