visual studio 2010 - knockoutjs function is not invoke when button clicked -


i have 1 knockout view model function not invoke when clicking button. missing something. running code vs2010 ide. test same code in jsfiddle , working there when try run same code vs2010 ide not working. appreciated. thanks

<html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server">     <title></title>     <style type="text/css">         #dash         {             max-height: 128px;             overflow: hidden;         }         #dash div         {             border: 1px solid #de2345;             padding: 4px;             margin: 2px;             line-height: 20px;             box-sizing: border-box;         }         #dash div:before         {             content: '--> ';         }     </style>     <script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/knockout/knockout-3.3.0.js"/>     <script type="text/javascript">         function tablemodel()          {             var self = this;             self.counter = 1;             self.rows = ko.observablearray([]),             self.addrow = function () {                 alert('pp');                 self.rows.push(self.counter + ' ' + new date());                 self.counter++;                 settimeout(function () {                     self.rows.shift();                     self.counter--;                 }, 3000 + self.rows().length * 1000);                 return false;             }         }         ko.applybindings(new tablemodel());     </script> </head> <body>     <form id="form1" runat="server">     <button id="button" data-bind="click: addrow" type="button">click</button>      <div id="dash" data-bind="foreach: rows">         <div data-bind="text:$data">         </div>     </div>     </form> </body> </html>

the ko.applybindings has called when dom loaded. see in documentation.

you can achieve with:

  • put script block @ bottom of html document, before closing body
  • you can leave script in head secttion , wrap calling of ``ko.applybindings` in dom-ready handler such jquery’s ready function

if not using jquery move script bottom:

<html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server">     <title></title>         <script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/knockout/knockout-3.3.0.js"></script>    </head> <body>     <form id="form1" runat="server">     <button id="button" data-bind="click: addrow" type="button">click</button>      <div id="dash" data-bind="foreach: rows">         <div data-bind="text:$data">         </div>     </div>     </form>     <script type="text/javascript">         function tablemodel()          {             var self = this;             self.counter = 1;             self.rows = ko.observablearray([]),             self.addrow = function () {                 alert('pp');                 self.rows.push(self.counter + ' ' + new date());                 self.counter++;                 settimeout(function () {                     self.rows.shift();                     self.counter--;                 }, 3000 + self.rows().length * 1000);                 return false;             }         }         ko.applybindings(new tablemodel());    </script> </body> </html>

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