|By Ben Forta||
|June 4, 2007 10:45 PM EDT||
Here's a simple client-side data example (which uses one of the CF8 example databases, so this should work for you as is):
<cfquery datasource="cfartgallery" name="data">
ORDER BY artname
<!--- The form --->
<!--- Populate auto-suggest control --->
This form displays a simple text box, but as text is entered, suggestions are displayed. The list of suggestions are passed to the autosuggest attribute which accepts a comma delimited list. The list could be hardcoded, but here ValueList() is being used to dynamically build a list based on a prior database lookup.
This is not an Ajax control in that lookups are not asynchronous, there is no communication back to the server to retrieve data, all data is local. This is actually a preferred form of auto-suggest for smaller lists.
For longer lists asynchronous interaction is indeed preferred, and the auto-suggest control supports this by allowing asynchronous calls to a ColdFusion component. Here is a sample CFC:
<!--- Lookup used for auto suggest --->
<cffunction name="lookupArt" access="remote" returntype="array">
<cfargument name="search" type="any" required="false" default="">
<!--- Define variables --->
<cfset var data="">
<cfset var result=ArrayNew(1)>
<!--- Do search --->
<cfquery datasource="#THIS.dsn#" name="data">
WHERE UCase(artname) LIKE Ucase('#ARGUMENTS.search#%')
ORDER BY artname
<!--- Build result array --->
<cfset ArrayAppend(result, artname)>
<!--- And return it --->
This CFC has a single method named lookupArt which accepts a string and performs a query to find all matches that start with the specified value. Auto-suggest requires that results be returns in a single dimensional array (for now, hopefully this will change before we ship the final product), and so the code populates an array with the results which are then returned.
Now for the modified form code to use this CFC and method:
Auto-suggest does not get any cleaner and simpler than this.
|jespin 03/26/10 11:25:00 AM EDT|
Is there a method, or a custom tag, or an alternative method of using Autosuggest in a
After doing some research on this, it seems to not be supported in CF8. The autosuggest just does not work in a flash form.
|ColdFusion News 05/31/07 02:04:46 PM EDT|
I plan to post a series of examples demonstrating how to use the new Ajax functionality in ColdFusion 8 (many based on examples used during our recent usergroup tour). The first one I'll start with is the auto-suggest control. Auto-suggest is a modified text input box, one that displays suggestions as the user types. The auto-suggest control in ColdFusion 8 can be used in two ways, with local client-side data, and with asynchronous calls back to ColdFusion.
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