cancelChanges

Cancels any pending changes in the data source. Deleted data items are restored, new data items are removed, and updated data items are restored to their initial state.

Example - canceling all changes

<div id="treeList"></div>
<script>
  $("#treeList").kendoTreeList({
    columns: [
      { field: "name" },
      { field: "age" }
    ],
    dataSource: [
      { id: 1, parentId: null, name: "Jane Doe", age: 22, expanded: true },
      { id: 2, parentId: 1, name: "John Doe", age: 24 },
      { id: 3, parentId: 1, name: "Jenny Doe", age: 3 }
    ],
    editable: "incell"
  });
  var treeList = $("#treeList").data("kendoTreeList");
  treeList.addRow();
  treeList.cancelChanges();
</script>