TreeView

using System;
using System.Data;
using System.Windows.Forms;
using System.Data.SqlClient;
 
namespace WindowsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
 
        private void button1_Click(object sender, EventArgs e)
        {
            int[] arrayID = {1,2,3,4,5,6};
            string[] arrayName = {a,b,c,d,e,f};
            int[] arrayPrice = {10,20,33,40,50,60};
            dataGridView1.ColumnCount = 3;
            dataGridView1.Columns[0].Name = "Product ID";
            dataGridView1.Columns[1].Name = "Product Name";
            dataGridView1.Columns[2].Name = "Product Price";
 
            string[] row;
            for(int i = 0;i<4;i++)
            {
            row = new string[] {  arrayID[i].ToString(), arrayName[i].ToString(), arrayPrice[i].ToString() };
            dataGridView1.Rows.Add(row);
            }
    }
}

dataGridView1.ColumnCount = 3;
dataGridView1.Columns[0].Name = "Product ID";
dataGridView1.Columns[1].Name = "Product Name";
dataGridView1.Columns[2].Name = "Product Price";