columns.width String|Number

The width of the column. Numeric values are treated as pixels.

Example - set the column width as a string

<div id="gantt"></div>
<script>
$("#gantt").kendoGantt({
  dataSource: [
    {
      id: 1,
      orderId: 0,
      parentId: null,
      title: "Task1",
      start: new Date("2014/6/17 9:00"),
      end: new Date("2014/6/17 11:00")
    },
    {
      id: 2,
      orderId: 1,
      parentId: null,
      title: "Task2",
      start: new Date("2014/6/17 12:00"),
      end: new Date("2014/6/17 14:00")
    }
  ],
  dependencies: [
    {
      predecessorId: 1,
      successorId: 2,
      type: 1
    }
  ],
  columns: [
    { field: "title", title: "Title", width: "200px" },
    { field: "start", title: "Task Start Time", width: "200px" },
    { field: "end", title: "Task End Time", width: "200px" }
  ]
});
</script>

Example - set the column width as a number

<div id="gantt"></div>
<script>
$("#gantt").kendoGantt({
  dataSource: [
    {
      id: 1,
      orderId: 0,
      parentId: null,
      title: "Task1",
      start: new Date("2014/6/17 9:00"),
      end: new Date("2014/6/17 11:00")
    },
    {
      id: 2,
      orderId: 1,
      parentId: null,
      title: "Task2",
      start: new Date("2014/6/17 12:00"),
      end: new Date("2014/6/17 14:00")
    }
  ],
  dependencies: [
    {
      predecessorId: 1,
      successorId: 2,
      type: 1
    }
  ],
  columns: [
    { field: "title", title: "Title", width: 200 },
    { field: "start", title: "Task Start Time", width: 200 },
    { field: "end", title: "Task End Time", width: 200 }
  ]
});
</script>