Edit on
<div id="FlexGrid1"></div>

itemsEdited
<div id="FlexGrid2"></div>
var cv = new wijmo.collections.CollectionView();
cv.items.push({
  id: "A", value: "0",
  items: [
    { id: "a1", value: "1" }
  ]
});
cv.items.push({
  id: "B", value: "0",
  items: [
    { id: "b1", value: "1" }
  ]
});
cv.trackChanges = true;

var grid = new wijmo.grid.FlexGrid("#FlexGrid1", {
  autoGenerateColumns: false,
  itemsSource: cv,
  childItemsPath: "items",
  columns: [
    { binding: "id" },
    { binding: "value" }
  ],
});

var grid2 = new wijmo.grid.FlexGrid("#FlexGrid2", {
  autoGenerateColumns: false,
  itemsSource: cv.itemsEdited,
  columns: [
    { binding: "id" },
    { binding: "value" }
  ]
});

grid.itemFormatter = function(panel, r, c, cell){
  panel.rows[r].isReadOnly = false;
}
Rerun