I 've tried to create my own HTML Helper which work fine for my need but I can't embed many lines
of jQuery code in my extension HtmlHelpers class. I've tried @ literal for jQuery code I doesn't work or I need to escape every line of code that I thing I not good for
multiple line of code. I don't know if there is another way to achieve this problem like <<
Therefore, I need to include jQuery plugin file and put implement script
after HTML tag. I find it would be convenience if I could put every in HTML helper and put a single line of code in aspx page for example
<%= Html.ParentChildSelectList(string parentName, string childName, IEnumerable parentViewData, IEnumerable childViewData,
int parentSize, in childSize) %
The following code is the way that I used now.
the .aspx page
Category
model.CategoryID)%
, new { size = 10 })%
model.SubcategoryID,"subcategory") % model.SubcategoryID)%
, new { size = 10 })%
<script type="text/javascript">
jQuery.sarapadchang.parentChildSelectList(
{
parentId : "CategoryID" ,
childId : "SubcategoryID",
actionName : "GetSubcategoryList",
controllerName : "Json"
}
);
</script>
I put in head tag to include ParentChildSelectList.js
the following code for ParentChildSelectList.js
(function($) {
$.sarapadchang = {
parentChildSelectList: function(options) {
// $("#CategoryID option").click(function()
$("#" + options.parentId).find("option").click(function() {
$("#" + options.childId).empty(); //clear data
$("#" + options.childId).append('<option>loading...</option>');
$.post("/" + options.controllerName + "/" + options.actionName + "/" + $(this).attr('value'), "", function(data) {
var html = "";
$.each(data, function(index, entry) {
html +=
'<option value="' +
entry['Value'] +
'">' +
entry['Text'] +
'</option>';
}
);
$("#" + options.childId).empty()
$("#" + options.childId).append(html);
}, "json"); //end getJson
});
})(jQuery);
To illustrate you, I've attached simple solution, please follow this link.
http://www.thaileaguefc.net/ParentChildSelectList.rar
Please accept my apologies if my English is difficult to understand.
I am looking forward to hearing from you.
Your faithfully,
Theeranit
