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columnShow

Fired when the user shows a column.

The event handler function context (available via the this keyword) will be set to the widget instance.

Event Data

e.column Object

A JavaScript object which represents the column configuration.

e.sender kendo.ui.TreeList

The widget instance which fired the event.

Example - subscribe to the "columnShow" event during initialization

<div id="treeList"></div>
<script>
  $("#treeList").kendoTreeList({
    columns: [
      { field: "id" },
      { field: "name" },
      { field: "age" }
    ],
    dataSource: {
      data: [
        { id: 1, parentId: null, name: "Jane Doe", age: 22 },
        { id: 2, parentId: 1, name: "John Doe", age: 24 }
      ]
    },
    columnMenu: true,
    columnShow: function(e) {
      console.log(e.column.field); // displays the field of the shown column
    }
  });
</script>

Example - subscribe to the "columnShow" event after initialization

<div id="treeList"></div>
<script>
  function treelist_columnShow(e) {
    console.log(e.column.field); // displays the field of the shown column
  }

  $("#treeList").kendoTreeList({
    columns: [
      { field: "id" },
      { field: "name" },
      { field: "age" }
    ],
    dataSource: {
      data: [
        { id: 1, parentId: null, name: "Jane Doe", age: 22 },
        { id: 2, parentId: 1, name: "John Doe", age: 24 }
      ]
    },
    columnMenu: true
  });

  var treelist = $("#treeList").data("kendoTreeList");
  treelist.bind("columnShow", treelist_columnShow);
</script>
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