The Arcive of Official vBulletin Modifications Site.It is not a VB3 engine, just a parsed copy! |
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Linked dropdowns in registration
Hello,
Im working on a registration system that has 2 linked dropdown lists. These lists are used to select Country then region (i.e. United States / New york). Now, the site is targeting a world wide audience so I need to have 200+ countries and in the range of 1500 regions. This makes having 2 seperate non linked dropdowns unrealistic. I have the dropdowns coded on a normal php page but I am having issues getting them into the registration.php and associated template. At this point im using a combination of js , php , mysql to populate the 2nd dropdown after the onchange event. Here is my php code. Code:
<SCRIPT language=JavaScript> function reload(form){ var val=form.cat.options[form.cat.options.selectedIndex].value; self.location='dropdown.php?cat=' + val ; } </script> <? ///////// Getting the data from Mysql table for first list box////////// $quer2=mysql_query("SELECT DISTINCT name,cc FROM country order by name"); ///////////// End of query for first list box//////////// /////// for second drop down list we will check if category is selected else we will display all the subcategory///// //if(isset($cat) and strlen($cat) > 0){ if (isset($_GET['cat'])) { //create mysql query $regionlookup = "SELECT DISTINCT name FROM region WHERE cc='".$_GET['cat']."'"; $quer=mysql_query($regionlookup); }else{$quer=mysql_query("SELECT DISTINCT name FROM region order by name"); } ////////// end of query for second subcategory drop down list box /////////////////////////// echo "<form method=post name=f1 action=''>"; ////////// Starting of first drop downlist ///////// echo "<select name='cat' onchange=\"reload(this.form)\"><option value=''>Select one</option>"; while($noticia2 = mysql_fetch_array($quer2)) { if($noticia2['cc']==$_GET['cat']){echo "<option selected value='$noticia2[cc]'>$noticia2[name]</option>"."<BR>";} else{echo "<option value='$noticia2[cc]'>$noticia2[name]</option>";} } echo "</select>"; ////////////////// This will end the first drop down list /////////// ////////// Starting of second drop downlist ///////// echo "<select name='subcat'><option value=''>Select one</option>"; while($noticia = mysql_fetch_array($quer)) { echo "<option value='$noticia[name]'>$noticia[name]</option>"; } echo "</select>"; ////////////////// This will end the second drop down list /////////// echo "</form>"; ?> Thank you in advance. |
#2
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any luck with this? would be a great hack!
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#3
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This is the hack I'm looking for, but but I can't code myself anyone who have finished this one?
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#4
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Everybody should need this for there profile. I would like to see county and state.
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