c# - Jquery check all dynamic checkboxlist in MVC view -


recently created dynamic checkboxlist , display them in c# mvc razor view.

<ul>     @for (int = 0; < model.sites.count; i++)     {         <li>             @html.checkboxfor(m => m.sites[i].ischeck)             @html.labelfor(m => m.sites[i].ischeck, model.sites[i].sitename)             @html.hiddenfor(m => m.sites[i].siteid)             @html.hiddenfor(m => m.sites[i].sitename)         </li>         (int j = 0; j < model.sites[i].roomz.count; j++)         {             @html.checkboxfor(m => m.sites[i].roomz[j].ischeck)             @html.labelfor(m => m.sites[i].roomz[j].ischeck, model.sites[i].roomz[j].roomname)             @html.hiddenfor(m => m.sites[i].roomz[j].roomid)             @html.hiddenfor(m => m.sites[i].roomz[j].roomname)         }     } </ul>

below image display of checkboxes

enter image description here

how use jquery on check sites.ischeck check sub-item under same sites? example check co2 check suite 1&2

modify html can use relative selector including adding class names checkboxes.

<ul>     @for (int = 0; < model.sites.count; i++)     {         <li>             @html.checkboxfor(m => m.sites[i].ischeck, new { class = "parent" })             @html.labelfor(m => m.sites[i].ischeck, model.sites[i].sitename)             @html.hiddenfor(m => m.sites[i].siteid)             @html.hiddenfor(m => m.sites[i].sitename)             <div> // suggest style give margin-left indented relative parent                 (int j = 0; j < model.sites[i].roomz.count; j++)                 {                     @html.checkboxfor(m => m.sites[i].roomz[j].ischeck, new { class = "child" })                     @html.labelfor(m => m.sites[i].roomz[j].ischeck, model.sites[i].roomz[j].roomname)                     @html.hiddenfor(m => m.sites[i].roomz[j].roomid)                     @html.hiddenfor(m => m.sites[i].roomz[j].roomname)                 }             <div>         </li>     } </ul>

then can handle .change() event of 'parent' checkbox , 'child' checkboxes within same <li> element

$('.parent').click(function() {     var ischecked = $(this).is(':checked');     var children = $(this).closest('li').find('.child');     $.each(children, function(index, item) {         $(this).prop('checked', ischecked);     }); });

you want handle the child checkboxes well, if uncheck child, parent unchecked, or if check child, , children checked, the parent checked.

$('.child').click(function () {     var parent = $(this).closest('li').find('.parent');     var ischecked = $(this).is(':checked');     if (!ischecked) {         // parent must unchecked         parent.prop('checked', false);     } else {         // check if siblings have same checked status         var siblings = $(this).siblings('.child');         var total = siblings.length;         var matches = siblings.filter(function () {             return $(this).prop('checked') == ischecked;         }).length;         if (matches === total) {             parent.prop('checked', ischecked);         }     } })

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