columns.groupable Boolean|Object *(default: true)

If set to false the user will not be able to group the grid by this column (requires Grid groupable property to be enabled). By default all columns are groupable.

Example - disable grouping for individual column

<div id="grid"></div>
<script>
$("#grid").kendoGrid({
  groupable: true,
  columns: [
    { field: "name", groupable: false },
    { field: "age"}
  ],
  dataSource: {
    data: [
      { name: "Jane Doe", age: 30 },
      { name: "John Doe", age: 30 }
    ]
  }
});
</script>
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