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CancelChanges

methods

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.

cancelChanges

<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>