It needs a "Please Select" option at the top of the DD list so all categories can be selected (to fire onchange event). Anyone know how to do this?
Darren Pegram
var subs = Model.SubCategories.Select(x => new SelectListItem
{Text = x.Name, Value = x.Id.ToString()});
@Html.DropDownList("Category",subs, new { onChange = "onCategoryChanged();" })
<script type="text/javascript">
function onCategoryChanged() {
var selectedCategory = document.getElementById('Category');
var selectedCategoryId = selectedCategory.options[selectedCategory.selectedIndex].value;
var changeCategoryActionUrl = '@Url.Action("categoryplaceholder/", "c", new { categoryId = "categoryplaceholder" })';
changeCategoryActionUrl = changeCategoryActionUrl.replace("categoryplaceholder", selectedCategoryId);
setLocation(changeCategoryActionUrl);
}
</script>