I am going to share the code sample for how to get hidden field value in knockout js using MVC 4
In the step 1st, View code
<div id="my-container">
<ul data-bind="foreach: mDateTime">
<li>
<h2 data-bind="text: $data"></h2>
<ul data-bind="foreach: $root.matter.index.type()[$data]">
<li>
<div id="box">
<input type="hidden" data-bind="attr: { value: matterId }" id="hdfMatterId"/>
</div>
</li>
</ul>
</li>
</ul>
</div>
In the step 2nd, ViewModel knockoutjs code
$(document).ready(function () {
$("#lnkbDeleteTimeEntry").live('click', function () { });
});
function deleteTimeEntry() {
var TimeEntryViewModel = function () { var self = this;
self.matterId = ko.observable(); self.UpdateTimeEntry = function () {
$.ajax({
type: "POST",
url: '/iTkTimeEntry/DeleteTimeEntry/',
data: "{matterId: '" + self.matterId() + "'}",
contentType: "application/json; charset=utf-8",
success: function (result) {
//Todo: call to view model
alert(result.matterId);
},
error: function (jqXHR, textStatus, errorThrown) {
var errorMessage = '';
$('#message').html(jqXHR.responseText);
}
});
};
};
ko.applyBindings(new TimeEntryViewModel());
}
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