vuejs and modal not updated two way modal binding

var app = new Vue({
          el: '#myapp',
          data: {
            name: dataDisplay
          },
          // define methods under the `methods` object
          methods: {
            greet: function (event) {
              // `this` inside methods points to the Vue instance
              console.log(event);
              // `event` is the native DOM event

            }
          }
        });
---modal ---

<div id="addModal2" class="modal fade" tabindex="-1" role="dialog" aria-labelledby="mySmallModalLabel" aria-hidden="true" align="left">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
                <h4 class="modal-title" id="addModal_title2"></h4>

            </div>

            <div class="modal-body" id=myapp>
                <table class="table">
                    <p id="totalColRows" class="text-center"></p>
                    <thead id="addModal_content2" align="center">


                            {{name['sub_column']}}
                            {{name['sub_row']}}

                        <tbody id="addModal_content3" align="center">

                        </tbody>
                    </table>

            </div>

            <div class="modal-footer">
            </div>
        </div>
    </div>
</div>