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multiple select form

Discussion in 'Programming' started by moondancer, Jan 13, 2008.

0
  1. #1
    Hi all!
    I have this problem standing from days and I did a lots of search around with no actual result.
    This is the result I need. For example:

    [​IMG]
    When Group One is selected, box2 display Cat 1 and Cat 3. When in box2 Cat 1 is selected, box3 displays Sub Cat 1, Sub Cat 3 and Sub Cat 4. ...and so on.

    Sure, the results are requested from DB - that's not the problem, the problem is displaying them in this way - chained selected, drop-downs, ajaxed :rolleyes:

    I tried to put in use chained select boxes by DHTMLGOODIES, but I cannot figure it out how to output input boxes (or even plain text) instead of select boxes and option values.

    Here is the <head> section:
    
<script type="text/javascript" src="ajax.js"></script>
<script type="text/javascript">

var ajax = new Array();

function getCityList(sel)
{
  var countryCode = sel.options[sel.selectedIndex].value;
  document.getElementById('dhtmlgoodies_city').options.length = 0;	// Empty city select box
    if(countryCode.length>0){
	var index = ajax.length;
	ajax[index] = new sack();
	ajax[index].requestFile = 'getCities.php?countryCode='+countryCode;	// Specifying which file to get
	ajax[index].onCompletion = function(){ createCities(index) };	// Specify function that will be executed after file has been found
	ajax[index].runAJAX();		// Execute AJAX function
	}
}

function createCities(index)
{
	var obj = document.getElementById('dhtmlgoodies_city');
	eval(ajax[index].response);	// Executing the response from Ajax as Javascript code	
}


function getSubCategoryList(sel)
{
	var category = sel.options[sel.selectedIndex].value;
	document.getElementById('dhtmlgoodies_subcategory').options.length = 0;	// Empty city select box
	if(category.length>0){
	var index = ajax.length;
	ajax[index] = new sack();
	ajax[index].requestFile = 'getSubCategories.php?category='+category;	// Specifying which file to get
	ajax[index].onCompletion = function(){ createSubCategories(index) };	// Specify function that will be executed after file has been found
		ajax[index].runAJAX();		// Execute AJAX function
	}
}
function createSubCategories(index)
{
	var obj = document.getElementById('dhtmlgoodies_subcategory');
	eval(ajax[index].response);	// Executing the response from Ajax as Javascript code	
}		
</script>
    HTML:
    and <body> section:

    <form action="" method="post">
<table>
	<tr>
		<td>Country: </td>
<td><select id="dhtmlgoodies_country" name="dhtmlgoodies_country" onchange="getCityList(this)">
			<option value="">Select a country</option>
			<option value="dk">Denmark</option>
			<option value="no">Norway</option>
			<option value="us">US</option>
		</select>
		</td>
	</tr>
	<tr>
		<td>City: </td>
		<td><select id="dhtmlgoodies_city" name="dhtmlgoodies_city">
		
		</select>
		</td>
	</tr>
	</table>
</form>
    HTML:
    I'll appreciated any help.
     
    moondancer, Jan 13, 2008 IP
  2. moondancer

    moondancer Peon

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    #2
    Anyone can help?
     
    moondancer, Jan 13, 2008 IP