# ColumnsReorder Event

Fired when column reorder occurs (only when ClientSettings -> ReorderColumnsOnClient is set to false!)

### Event Parameters

* `(object)` **sender**

  * The control that fires the event

* `(GridColumnsReorderEventArgs)` **e**

  * Event arguments

    * `(boolean)` **e.Canceled**

      If set to True the event will be canceled

    * `(GridColumn)` **e.Source**

      Gets the column which will be reordered.

    * `(GridColumn)` **e.Target**

      Gets the column on which place will be positioned the reordered column.

### Attaching the event

In the Markup

```ASP.NET
<telerik:RadGrid ID="RadGrid1" runat="server" OnColumnsReorder="RadGrid1_ColumnsReorder">
</telerik:RadGrid>
```

In the Code behind

```C#
protected void Page_Init(object sender, EventArgs e)
{
    RadGrid1.ColumnsReorder += RadGrid1_ColumnsReorder;
}
```

```VB
Protected Sub Page_Init(sender As Object, e As EventArgs) Handles Me.Init
    AddHandler RadGrid1.ColumnsReorder, AddressOf RadGrid1_ColumnsReorder
End Sub
```

The event handler

```C#
protected void RadGrid1_ColumnsReorder(object sender, GridColumnsReorderEventArgs e)
{
    bool canceled = e.Canceled;
    GridColumn sourceColumn = e.Source;
    GridColumn targetColumn = e.Target;
}
```

```VB
Protected Sub RadGrid1_ColumnsReorder(ByVal sender As Object, ByVal e As GridColumnsReorderEventArgs)
    Dim canceled As Boolean = e.Canceled
    Dim sourceColumn As GridColumn = e.Source
    Dim targetColumn As GridColumn = e.Target
End Sub
```

## See Also

* [Telerik RadGrid Event Sequence](https://www.telerik.com/products/aspnet-ajax/documentation/controls/grid/control-lifecycle/event-sequence)