title: Kendo UI Grid: how to make cell read only on condition
body: <p>in Kendo UI Grid (with Angularjs) i have the following grid:</p>
  
  <pre><code>&lt;div kendo-grid k-data-source="Table" k-options="thingsOptions" style="height: 365px"&gt;
  
  $scope.thingsOptions = {
      sortable: "true",
      scrollable: "true",
      toolbar: [{ name: "create", text: "Aggiungi Prodotto" }],
      columns: [
                  { field: "Name", title: "Name", width: "50px" },
                  { field: "Description", title: "Description", width: "50px" },
                  { field: "Price", title: "Price", width: "50px" },
                  { field: "Active", title: "Active", template: '&lt;input type="checkbox" disabled="disabled" #= Active ? checked="checked":"" # class="chkbx"  /&gt;', width: "20px" },
                  { command: [{ name: "edit", text: "Modifica" }], title: "", width: "172px" }
      ],
      editable: "inline"
  };
  </code></pre>
  
  <p>How can i make the "Price" field readonly on some condition? I must test a variable and if it is true i want the Price field readonly otherwise writable.</p>
  
  <p>I have tried to add in the "thingsOptions" function:</p>
  
  <pre><code>edit: function (e) {
    if(myvar == true)
          e.container.find("input[name=Price]").enable(false);
   }
  </code></pre>
  
  <p>But id doesn't work (undefined reference).</p>