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submit() method using onChange handler

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kangaloo1971

kangaloo1971

Programmer
Nov 28, 2001
4
US
I'm trying to change the display responding to the selected option in the selected box, and wrote the following code:

..<head><script language=&quot;JavaScript&quot;>
function selectGroup() {
document.formname.submit()
}
</script>..
..<form name=&quot;formname&quot;..>..
..<select name=&quot;group&quot; onChange=&quot;selectGroup( )&quot;>..

Whenever I try to change the display by selecting certain option, I get a message &quot;Object doesn't support this property or method.&quot; I tried several other things, including to change document.formname.submit() to this.form.submit(), which gave me a msg &quot;this.form is null or not an object.&quot;. Could anyone help me out to solve this problem?
 
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Have you tried just putting the submit in the onChange event?

..<form name=&quot;formname&quot;..>..
..<select name=&quot;group&quot; onChange=&quot;document.formname.submit();&quot;>..

Mise Le Meas,

Mighty :)
 
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Thank you for suggestion, Mighty.
I tried it, but still have got the &quot;Object doesn't support this property or method&quot; error message...
 
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I thing that you must put the action too :


..<select name=&quot;group&quot; onchange=&quot;document.choix.action='Page.html'; document.choix.submit();&quot;>..

if not try to change that :

..<select name=&quot;group&quot; onChange=&quot;selectGroup( )&quot;>..

in

..<select name=&quot;group&quot; onChange=&quot;javascript selectGroup();&quot;>..
 
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>>&quot;Object doesn't support this property or method.&quot;
on what string? from wich you are calling this function or on the function itself?

if it is in document.formname.submit() then its probably your fault:
check if your form really has name of formname or try document.forms.formname.submit()

Victor
 
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I get &quot;Object doesn't support this property or method.&quot;on document.formname.submit(), as well as document.forms.formname.submit().

formname seems valid. I checked it using alert() method (instead of submit()) and got the correct field value via formname.

I kinda followed Daft69's suggestion to add action, by including document.formname.action = &quot;/display.pl&quot; in the function definition, but got the same error message.
 
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post the form & the script here, please Victor
 
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Do you have a button on your form named &quot;submit&quot;? This has been known to cause just the error you mentioned. Tracy Dryden
tracy@bydisn.com

Meddle not in the affairs of dragons,
For you are crunchy, and good with mustard.
 
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Yes, I had the button named &quot;submit&quot; and after removed it, everything worked beautifully!

I appreciate tsdragon + others for your wonderful advises.
 
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