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Populate a dropdown menu from a database table with one blank entry 1 year 4 months ago #266052

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  • sitavs
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Hi,
I've followed your guide on populating a dropdown menu from a database table (crosstec.org/en/support/online-documenta...ct-list-from-db.html) and it works as expected.

However, this doesn't allow for a blank entry in the dropdown, as there are no blank rows (names, in my case) in the database table. Can you tell me how I can solve this please? The dropdown is not a required field so I need to be able to return a NULL value.

Apologies if this has been covered before.

Thanks,
Simon

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Populate a dropdown menu from a database table with one blank entry 1 year 4 months ago #266053

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Hi,

give me a little time and I will back to you as soon as possible with answare!

Regards,
Mirko

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Populate a dropdown menu from a database table with one blank entry 1 year 4 months ago #266054

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Hi,

ok, if I understend well, code should be need like this:
$this->execPieceByName('ff_InitLib'); //Include BreezingForms Library
$db = JFactory::getDBO();//Get Database Object
  
//Create your own query here
$db->setQuery('Select username From #__users '); 
  
$result = $db->loadColumn(); //load the result from the query
$test = "";
for ($i = 0; $i < count($result); $i++)
{
     $test .= "0;;\n 0;".$result[$i].";".$result[$i]."\n";
}
 
function ff_setSelectList($name, $value)
{
     global $ff_processor;
     for ($r = 0; $r < $ff_processor->rowcount; $r++)
     {
          $row =& $ff_processor->rows[$r];
          if ($row->name==$name)
          $row->data2 = $value;
          unset($row);
     } // for
} // ff_setSelectList
 
ff_setSelectList('nameofelement', $test);

Let me know the result!

Regards,
Mirko
The following user(s) said Thank You: sitavs

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Last edit: Post by Mirec.

Populate a dropdown menu from a database table with one blank entry 1 year 4 months ago #266063

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  • sitavs
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Thanks very much. I also had a reply from Tihana with a variation on this:
$this->execPieceByName('ff_InitLib'); //Include BreezingForms Library
$db = JFactory::getDBO();//Get Database Object
  
//Create your own query here
$db->setQuery('Select username From #__users '); 


  
$result = $db->loadColumn(); //load the result from the query
$test ="0;Please Select;\n";
for ($i = 0; $i < count($result); $i++)
{
     $test .= "0;".$result[$i].";".$result[$i]."\n";
}
 
function ff_setSelectList($name, $value)
{
     global $ff_processor;
     for ($r = 0; $r < $ff_processor->rowcount; $r++)
     {
          $row =& $ff_processor->rows[$r];
          if ($row->name==$name)
          $row->data2 = $value;
          unset($row);
     } // for
} // ff_setSelectList
 
ff_setSelectList('select1', $test);

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Populate a dropdown menu from a database table with one blank entry 1 year 4 months ago #266064

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Hi,


super! :)

If you need more help, let know us! :)

Regards,
Mirko

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