Question

bind text of same model inside a foreach loop but that text is not a part of that array.

function SmsViewModel(data,id) {
    var self = this;

    // Editable data
    self.Sms = ko.observableArray(JSON.parse(data));
    self.Num = ko.observable('Send SMS');
    self.removeNumber = function(item){
    }
    self.myPostProcessingLogic = function(elements) {
 if ($(id).children().length === ko.toJS(self.Sms).length) {
        // Only now execute handler
    jq();
    }
}   


}

when i display data of sms it works fine but i am not able to display sel.Num in same foreach

<div class="modalbox_content" data-bind="foreach: {data: Sms,afterRender: myPostProcessingLogic}" id="KnockOutSmsData">

              <!-- ko if: FromAddress === '[phone]' && TypeOfMassage === 'I' -->
                <div class="message_container" >

                  <div class="message_user_photo"><img src="images/user_pic.png" width="40" height="40"/></div>
                  <div class="message_cell_number"><span data-bind="text: FromAddress"></span></div>
                  <div class="recieved_message_container">
                    <div class="recieved_message_arrow"></div>
                    <div class="recieved_message_box">
                      <p><span data-bind="text: Body"></span></p>
                      <div class="forwd_message"><a href="#"><img src="images/frwd_msg.png"/></a></div>
                      <span data-bind="text: MsgDateTime"></span></div>

                  </div>

                </div>
                <!-- /ko -->
                <!-- close message container -->
                <!-- ko if: ToAddress === '[phone]' && TypeOfMassage === 'S' -->
                <div class="message_container" >

                  <div class="sent_message_user_photo"><img src="images/user_pic.png" width="40" height="40"/></div>
                  <div class="sent_message_cell_number"><span data-bind="text: ToAddress"></div>
                  <div class="sent_message_container">
                    <div class="sent_message_arrow"></div>
                    <div class="sent_message_box">
                      <p><span data-bind="text: Body"></span></p>
                      <span data-bind="text: MsgDateTime"></span></div>
                  </div>

                </div>
                <!-- /ko -->
                <!-- close message container --> 

              </div>

i just want to compare

<!-- ko if: FromAddress === self.Num && TypeOfMassage === 'I' -->

this self.Num is the part of

self.Num = ko.observable('Send SMS');

and FromAddress is the part of

  self.Sms = ko.observableArray(JSON.parse(data));

thanx in advance

Answer 1

I think you are looking for the $parent binding context variable with that you can access the “parent” object inside a foreach:

<!-- ko if: FromAddress === $parent.Num() && TypeOfMassage === 'I' -->

Note that you need write $parent.Num() (e.g. with ()) because Num is a ko.observable

Here is a demo fiddle which is based roughly on your code.