| utkarsh 08:06:13 | Hi, I want multiple select dropdown in a form and populate values in second multiple selected dropdown .I want both dropdowns to be multi selected. I try this code but not works for me. <html> <head> <SCRIPT language=JavaScript> function reload(form){ var val=form.id.options[form.id.options.selectedIndex].value; self.location='dropdown.php?id=' + val; } </script> </head> <?php $quer2=mysql_query("SELECT DISTINCT company,id FROM company order by company"); @$id=$_GET['id']; //This line is added to take care if your global variable is off if(strlen($id) > 0 and !is_numeric($id)){//check if $cat is numeric data or not. echo "Data Error"; exit; } if(isset($id) and strlen($id) > 0){ $quer=mysql_query("SELECT DISTINCT product FROM product where id=$id order by product"); }else{$quer=mysql_query("SELECT DISTINCT product FROM product order by product"); } echo "<form method=post name=f1 action=''>"; /// Add your form processing page address to action in above line. Example action=dd-check.php//// ////////// Starting of first drop downlist ///////// echo "<select name='id' multiple onchange=\"reload(this.form)\"><option value=''>Select one</option>"; while($noticia2 = mysql_fetch_array($quer2)) { if($noticia2['id']==@$id){echo "<option selected value='$noticia2[id]'>$noticia2[company]</option>"."<BR>";} else{echo "<option value='$noticia2[id]'>$noticia2[company]</option>";} } echo "</select>"; ////////////////// This will end the first drop down list /////////// ////////// Starting of second drop downlist ///////// echo "<select name='subcat' multiple><option value=''>Select one</option>"; while($noticia = mysql_fetch_array($quer)) { echo "<option value='$noticia[product]'>$noticia[product]</option>"; } echo "</select>"; ////////////////// This will end the second drop down list /////////// // add your other form fields here //// echo "<input type=submit value=Submit>"; echo "</form>"; |
| smo1234 08-06-2013 | Check this Multiple selection of dropdown list. Using this you can modify the script |
| utkarsh 08-06-2013 | Hi, This is not work for me because i want populating second based on first dropdown Also both dropdown should be multiple selected. |