WinForms DataGrid - A High Performance DataTable

using System.ComponentModel;
using System.Windows.Forms;
using System.Collections.ObjectModel;
using Syncfusion.WinForms.DataGrid;
namespace WindowsFormsApplication1
{
    /// <summary>
    /// Summary description for Form1.
    /// </summary>
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            SfDataGrid sfDataGrid = new SfDataGrid();
            this.Controls.Add(sfDataGrid);
            sfDataGrid.DataSource = new OrderInfoCollection().Orders;
            sfDataGrid.Location = new System.Drawing.Point(12, 12);
            sfDataGrid.Size = new System.Drawing.Size(240, 150);
        }
    }
}

using System.ComponentModel;
using System.Windows.Forms;
using System.Collections.ObjectModel;
using Syncfusion.WinForms.DataGrid;
namespace WindowsFormsApplication1
{
    public class OrderInfo : INotifyPropertyChanged
    {
        decimal? orderID;
        string customerId;
        string country;
        string customerName;
        string shippingCity;
        public decimal? OrderID
        {
            get { return orderID; }
            set { orderID = value; this.OnPropertyChanged("OrderID"); }
        }
        public string CustomerID
        {
            get { return customerId; }
            set { customerId = value; this.OnPropertyChanged("CustomerID"); }
        }
        public string CustomerName
        {
            get { return customerName; }
            set { customerName = value; this.OnPropertyChanged("CustomerName"); }
        }
        public string Country
        {
            get { return country; }
            set { country = value; this.OnPropertyChanged("Country"); }
        }
        public string ShipCity
        {
            get { return shippingCity; }
            set { shippingCity = value; this.OnPropertyChanged("ShipCity"); }
        }
        public event PropertyChangedEventHandler PropertyChanged;
        private void OnPropertyChanged(string propertyName)
        {
            if (PropertyChanged != null)
                this.PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
        }
    }

using System.ComponentModel;
using System.Windows.Forms;
using System.Collections.ObjectModel;
using Syncfusion.WinForms.DataGrid;
namespace WindowsFormsApplication1
{
    public class OrderInfoCollection
    {
        private ObservableCollection<OrderInfo> orders;
        public ObservableCollection<OrderInfo> Orders
        {
            get { return orders; }
            set { orders = value; }
        }
        public OrderInfoCollection()
        {
            orders = new ObservableCollection<OrderInfo>();
            orders.Add(new OrderInfo() { OrderID = 1001, CustomerName = "Thomas Hardy", Country = "Germany", CustomerID = "ALFKI", ShipCity = "Berlin" });
            orders.Add(new OrderInfo() { OrderID = 1002, CustomerName = "Laurence Lebihan", Country = "Mexico", CustomerID = "ANATR", ShipCity = "Mexico" });
            orders.Add(new OrderInfo() { OrderID = 1003, CustomerName = "Antonio Moreno", Country = "Mexico", CustomerID = "ANTON", ShipCity = "Mexico" });
           orders.Add(new OrderInfo() { OrderID = 1004, CustomerName = "Thomas Hardy", Country = "UK", CustomerID = "AROUT", ShipCity = "London" });
            orders.Add(new OrderInfo() { OrderID = 1005, CustomerName = "Christina Berglund", Country = "Sweden", CustomerID = "BERGS", ShipCity = "Lula" });
        }
    }
}