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Getting unique values for dropdown
21 September 2009 at 5:41am
I am using two dropdowns in a search function for the blog. So, what I need to do is get the unique values for field x and then turn the results into a dropdown - can anyone help?
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Re: Getting unique values for dropdown
23 September 2009 at 2:41pm
The 2 simplest options off the top of my head:
1. Post the form back and have a conditional add of the second form if the first dropdown is set. Psudocode:
// form code
if( isset($data['firstDropDown'] } (
$fields->push( new DropDownField('secondDropDown','Second: ',array('otherdata')) );
}// form post function
if( ! isset($data['firstDropDown'] ) {
Director::redirectBack();
}2. Use jQuery or something with an Ajax Action button on the first dropdown to create/populate the second dropdown. Docs: http://doc.silverstripe.org/doku.php?id=ajaxformaction
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