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Calling a CFC directly from a form

Posted on 2008-10-30
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Last Modified: 2012-05-05
Is it possible to call a CFC directly from the action tag in <cfform>?

if not what is the best way to invoke the cfc from a form?


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Question by:Hulfy
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3 Comments
 
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SidFishes earned 2000 total points
ID: 22844471
yes you can

<form method="post" action="com/myCFC.cfc?method=yourFunction">

however best practice says when designing cfc's, all input should be agnostic (to allow for other potential inputs like web services) and should use arguments

to do this create a form handler

<form method="post" action="actFormHandler.cfm">

<input type=="hidden" name="formid" value="f1">
<input type="submit">
</form>
then

in actFormHandler.cfm

<cfswitch expression="form.formid">

<cfcase value="f1">
<cfinvoke component="com.myCfc"
                  method="doFormPost1"
                  ReturnVariable = "results">
      <cfinvokeargument name="ID" value="#form.ID#">            
      <cfinvokeargument name="value2" value="#form.value2#">            
</cfinvoke>      
</cfcase>

etc

note in either case you need to add access="remote" to your cfc function







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LVL 36

Expert Comment

by:SidFishes
ID: 22844490
oh and if you're not already use arguments in the cffunction


<cffunction name="doFormPost1" hint="I process a form"
                  returntype="void">
      <cfargument name="ID" required="true">
      <cfargument name="value2" required="true">

<!--- do stuff --->
</cffunction>

0
 

Author Comment

by:Hulfy
ID: 22848151
Thanks Sid
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