radgrid with xml

 private void BindCustomerDetails1()
    {
        DataSet dsCustomer = new DataSet();
        dsCustomer.ReadXml(Server.MapPath("Customer.xml"));
        RadGrid1.DataSource = dsCustomer;
       
    }
    protected void RadGrid1_NeedDataSource(object sender, Telerik.Web.UI.GridNeedDataSourceEventArgs e)
    {
        BindCustomerDetails1();
    }