Making DropDownLists depend on each other
I have an approach using JQuery, Check this example:http://jsfiddle.net/vt3Ma/4/
using focus() event will restore the current option value and text in 2 hidden fields
$('.ddl').focus(function(){$("#oldValue").val($(this).val());$("#oldText").val($("option:selected",$(this)).text());});
then on change() event:-
1- will add the old changed option of the dropdown list to the other dropdown lists as the previous selected option became available now to choose.
$(this).prepend("<option value='"+$("#oldValue").val()+"'>"+$("#oldText").val()+"</option>");2- will remove the new selected option from all other dropdown lists
$("option[value='" + current.val() + "']",$(this)).remove();