# PageSizeChanged Event

Fired when the page size is changed through the advanced pager or manually in code

### Event Parameters

* `(object)` **sender**

  * The control that fires the event

* `(GridPageSizeChangedEventArgs)` **e**

  * Event arguments that

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

      If set to True the event will be canceled.

    * `(object)` **e.CommandArgument**

      Gets the argument for the command.

    * `(string)` **e.CommandName**

      Gets the name of the command.

    * `(object)` **e.CommandSource**

      Gets the source of the commmand.

    * `(GridItem)` **e.Item**

      Gets the item containing the command.

    * `(int)` **e.NewPageSize**

      Gets the new selected page size that will be applied.

## Attaching the event

In the Markup

```ASP.NET
<telerik:RadGrid ID="RadGrid1" runat="server" OnPageSizeChanged="RadGrid1_PageSizeChanged">
</telerik:RadGrid>
```

In the Code behind

```C#
protected void Page_Init(object sender, EventArgs e)
{
    RadGrid1.PageSizeChanged += RadGrid1_PageSizeChanged;
}
```

```VB
Protected Sub Page_Init(sender As Object, e As EventArgs) Handles Me.Init
    AddHandler RadGrid1.PageSizeChanged, AddressOf RadGrid1_PageSizeChanged
End Sub
```

The event handler

```C#
protected void RadGrid1_PageSizeChanged(object sender, GridPageSizeChangedEventArgs e)
{
    bool canceled = e.Canceled;
    object commandArgs = e.CommandArgument;
    string commandName = e.CommandName;
    object commandSource = e.CommandSource;
    GridItem item = e.Item;
    int newPageSize = e.NewPageSize;
}
```

```VB
Protected Sub RadGrid1_PageSizeChanged(ByVal sender As Object, ByVal e As GridPageSizeChangedEventArgs)
    Dim canceled As Boolean = e.Canceled
    Dim commandArguments As Object = e.CommandArgument
    Dim commandName As String = e.CommandName
    Dim source As Object = e.CommandSource
    Dim item As GridItem = e.Item
    Dim newPageSize As Integer = e.NewPageSize
End Sub
```

## See Also

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