JavaScript/jQuery TreeList - editing.changes

This array can be changed from the UI, with native JavaScript methods, or with UI component methods (addRow, editRow, editCell, deleteRow).

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If the pageIndex has a value, this field sets a row index on the specified page. In other cases, this field specifies the row index within the entire grid. Only data and group rows are indexed. To add a row to the end of the page or grid, set index to -1.

The key property supports a simple and composite keys.

changes.push({
    type: 'update',
    data: { FirstName : 'name1', LastName: 'name2' }

    key: 1 // simple key
    // or ...
    key: {ID: 1, SecondID: 2} // composite key
});

This field has a value if the TreeList uses the pager. This value equals paging.pageIndex, but you can override it with a custom value. To add a row to the last page, set this field to -1.