Many thanks. I tried your suggestion (i.e., I passed the string: action + '~' +
145' as a single parm to the callback function and broke it apart inside that
function), and it worked beautifully! That is, both the database update and the
duties specified in the callback function were executed correctly.
However, before trying that I tried something else (since I was a little leery
of what asynchronous might mean in this case), and I'm curious to know why that
method did not succeed. Namely, I took the callback parm out of the submitForm
statement, and in its stead, I added the following line to the bottom of the
target form, saveGenInfo.cfm: <CFSET
ajaxOnLoad("GenInfoCallback(#url.mode#)")>, settling for a single parm for now
(value = either 'insert' or 'delete'), just to see if an alert statement inside
GenInfoCallback (misnamed now of course) would show that it got called, and
received the parm. But no luck. The update to SQL Server succeeded but
GenInfoCallback was never called.
Why not? And in general, when would it be appropriate to use the callback
method vs. the ajaxOnLoad method?
Thanks in advance,
Peyton
-----Original Message-----
>From: Mischa Uppelschoten ext 10 <[EMAIL PROTECTED]>
>Sent: Jan 15, 2008 3:08 PM
>To: Web Site <discussion@acfug.org>
>Subject: re: [ACFUG Discuss] Ajax.submitForm Conundrum
>
>AFAIK the action page you submit to in this case must return only a string and
>the callback function can only handle that one string. You can delimit the
>string and parse it though.
>
>From the docs:
>callbackhandler
>The JavaScript function to handle a normal response. The function must take a
>single argument, that contains the response body. This method is used only if
>the form submission is asynchronous.
>
>
>Hope that helps!
>/m
>
>
>
>: Hello all. Does anyone have a suggestion to make regarding the following
>: quandary I find myself in?
>
>: I'm trying to submit a form from inside a javascript function thus:
>
>: function SubmitFmGenInfo145(action){
>: //form validation code (omitted here), then:
>: ColdFusion.Ajax.submitForm('fmGenInfo', 'saveGenInfo.cfm?mode=' +
>: action,GenInfoCallback(action,'145'));
>: }
>
>: When I do so, the callback function, shown below, executes correctly. It
>shows
>: by the alert statements that it received the parameters, and by the state of
>: the screen that it executed the populateGenInfo.cfm call (I haven't tested
>it
>: for inserting yet). However, the form does not get submitted, and Firebug
>: complains with the following error message: 'uncaught exception:
>: ColdFusion.Ajax.submitForm: Form not found, form id: fmGenInfo'.
>
>: function GenInfoCallback(mode,typegroup){
>: alert(mode); alert(typegroup);
>: ColdFusion.navigate('populateGenInfo.cfm','getGenInfo');
>: url = (typegroup == '145') ? 'populateTx.cfm' : 'populateTkdnOrApp.cfm';
>: if (mode == 'insert'){
>: ColdFusion.navigate(url,'getTx');
>: ColdFusion.navigate('populateSpecInstr.cfm?mode=no','getSpecInstr');
>: }
>: }
>
>: However, the form most definitely does exist in the page, as Firebug's View
>: Gererated Source makes clear. (Thank goodness Firebug has this ability;
>: otherwise I could never be completely certain what the <cfdiv> contains!)
>
>: Furthermore, when I do nothing but remove the reference to the callback
>: function, changing the submitting function to the form shown below, Firebug
>: does not complain, and the form submits flawlessly.
>
>: function SubmitFmGenInfo145(action){
>: //form validation code (omitted here), then:
>: ColdFusion.Ajax.submitForm('fmGenInfo', 'saveGenInfo.cfm?mode=' + action);
>: }
>
>: What could be going on here? Is one not supposed to send parms to a callback
>: function? Or am I perhaps using the wrong syntax for doing so?
>
>: Thanks in advance for your ideas,
>: Peyton
>
>
>
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>
>
>
>
>
>
>
>Mischa Uppelschoten
>The Banker's Exchange, LLC.
>4200 Highlands Parkway SE
>Suite A
>Smyrna, GA 30082-5198
>
>Phone: (404) 605-0100 ext. 10
>Fax: (404) 355-7930
>Web: www.BankersX.com
>Follow this link for Instant Web Chat:
>http://www.bankersx.com/Contact/chat.cfm?Queue=MUPPELSCHOTEN
>---------- Original Message ----------
>
>FROM: Peyton Todd <[EMAIL PROTECTED]>
>TO: discussion@acfug.org
>DATE: Tue, 15 Jan 2008 14:30:04 -0500 (EST)
>
>SUBJECT: [ACFUG Discuss] Ajax.submitForm Conundrum
>
>Hello all. Does anyone have a suggestion to make regarding the following
>quandary I find myself in?
>
>I'm trying to submit a form from inside a javascript function thus:
>
>function SubmitFmGenInfo145(action){
>//form validation code (omitted here), then:
>ColdFusion.Ajax.submitForm('fmGenInfo', 'saveGenInfo.cfm?mode=' +
> action,GenInfoCallback(action,'145'));
>}
>
>When I do so, the callback function, shown below, executes correctly. It shows
>by the alert statements that it received the parameters, and by the state of
>the screen that it executed the populateGenInfo.cfm call (I haven't tested it
>for inserting yet). However, the form does not get submitted, and Firebug
>complains with the following error message: 'uncaught exception:
>ColdFusion.Ajax.submitForm: Form not found, form id: fmGenInfo'.
>
>function GenInfoCallback(mode,typegroup){
>alert(mode); alert(typegroup);
>ColdFusion.navigate('populateGenInfo.cfm','getGenInfo');
>url = (typegroup == '145') ? 'populateTx.cfm' : 'populateTkdnOrApp.cfm';
>if (mode == 'insert'){
> ColdFusion.navigate(url,'getTx');
> ColdFusion.navigate('populateSpecInstr.cfm?mode=no','getSpecInstr');
> }
>}
>
>However, the form most definitely does exist in the page, as Firebug's View
>Gererated Source makes clear. (Thank goodness Firebug has this ability;
>otherwise I could never be completely certain what the <cfdiv> contains!)
>
>Furthermore, when I do nothing but remove the reference to the callback
>function, changing the submitting function to the form shown below, Firebug
>does not complain, and the form submits flawlessly.
>
>function SubmitFmGenInfo145(action){
>//form validation code (omitted here), then:
>ColdFusion.Ajax.submitForm('fmGenInfo', 'saveGenInfo.cfm?mode=' + action);
>}
>
>What could be going on here? Is one not supposed to send parms to a callback
>function? Or am I perhaps using the wrong syntax for doing so?
>
>Thanks in advance for your ideas,
>Peyton
>
>
>
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