dataValueField String(default: "")

The field of the data item that provides the value of the widget.

Important When dataValueField is defined, thedataTextField option also should be set.

Example - set the dataValueField

<input id="multicolumncombobox" />
<script>
$("#multicolumncombobox").kendoMultiColumnComboBox({
    dataSource: [
        { Name: "Parent1", Id: 1 },
        { Name: "Parent2", Id: 2 }
    ],
    dataTextField: "Name",
    dataValueField: "Id",
    columns: [
      { field: "Name" },
      { field: "Id" }
    ]
});
</script>