Untitled

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
namespace WebApplication1
{
    public partial class Product : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            String connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
            SqlConnection conn = new SqlConnection(connStr);
            String sql = "SELECT * From Product";
            DataSet Products = new DataSet();
            SqlDataAdapter adapter = new SqlDataAdapter(sql, conn);
            adapter.Fill(Products, "Product");
            GridView1.DataSource = Products;
            GridView1.DataBind();
        }
    }
}