How to read and bind XML file to GridView in ASP.Net

GridView

<asp:GridView ID="GridView1" HeaderStyle-BackColor="#3AC0F2" HeaderStyle-ForeColor="White"
    RowStyle-BackColor="#A1DCF2" AlternatingRowStyle-BackColor="White" AlternatingRowStyle-ForeColor="#000"
    runat="server" AutoGenerateColumns="false" AllowPaging="true" OnPageIndexChanging="OnPageIndexChanging">
    <Columns>
        <asp:BoundField DataField="CustomerId" HeaderText="Id" ItemStyle-Width="80" />
        <asp:BoundField DataField="ContactName" HeaderText="Name" ItemStyle-Width="150" />
        <asp:BoundField DataField="City" HeaderText="City" ItemStyle-Width="150" />
        <asp:BoundField DataField="Country" HeaderText="Country" ItemStyle-Width="150" />
    </Columns>
</asp:GridView>

Code

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!this.IsPostBack)
        {
            this.BindGrid();
        }
    }

    private void BindGrid()
    {
        using (DataSet ds = new DataSet())
        {
            ds.ReadXml(Server.MapPath("~/Customers.xml"));
            GridView1.DataSource = ds;
            GridView1.DataBind();
        }
    }

    protected void OnPageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView1.PageIndex = e.NewPageIndex;
        this.BindGrid();
    }

Namespaces

using System.Data;