Dataset Bind to Gridview in Asp .Net With C#


protected void Page_Load(object sender, EventArgs e)
{
if (!this.IsPostBack)
{
string connectionString = WebConfigurationManager.ConnectionStrings["Northwind"].ConnectionString;
string selectSQL = "SELECT ProductID, ProductName, UnitPrice FROM Products";


SqlConnection con = new SqlConnection(connectionString);
SqlCommand cmd = new SqlCommand(selectSQL, con);
SqlDataAdapter adapter = new SqlDataAdapter(cmd);
DataSet ds = new DataSet();

adapter.Fill(ds, "Products");

GridView1.DataSource = ds;
GridView1.DataBind();
}
}
}