grid view and stored procedure

hai this is all i done using stored procedure insert,update and delete.i also select a gridview in visual studio form.Now i want to display the inserted datas on the grid view using stored procedure.

what would be the likely code for it. 

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;

namespace WebApplication31

{

public partial class insertion : System.Web.UI.Page

{

SqlConnection con = new SqlConnection("Data Source=REDEEMER3\\REDEEMER;Initial Catalog=Test;Integrated Security=True");

protected void Page_Load(object sender, EventArgs e)

{

con.Open();

}

protected void Button1_Click(object sender, EventArgs e)

{

SqlCommand cmd = new SqlCommand("new",con);

cmd.CommandType = CommandType.StoredProcedure;

cmd.Parameters.AddWithValue("@id",0);

cmd.Parameters.AddWithValue("@name", txtname.Text);

cmd.Parameters.AddWithValue("@email", txtemail.Text);

cmd.Parameters.AddWithValue("@address", txtaddress.Text);

cmd.Parameters.AddWithValue("@password", txtpwd.Text);

cmd.Parameters.AddWithValue("@query", 1);

cmd.ExecuteNonQuery();

}

protected void Button2_Click(object sender, EventArgs e)

{

SqlCommand cmd = new SqlCommand("new", con);

cmd.CommandType = CommandType.StoredProcedure;

cmd.Parameters.AddWithValue("query", 2);

cmd.Parameters.AddWithValue("id", 0);

cmd.Parameters.AddWithValue("name", txtname.Text);

cmd.Parameters.AddWithValue("@email", txtemail.Text);

cmd.Parameters.AddWithValue("@address", txtaddress.Text);

cmd.Parameters.AddWithValue("@password", txtpwd.Text);

cmd.ExecuteNonQuery();

}

protected void Button3_Click(object sender, EventArgs e)

{

SqlCommand cmd = new SqlCommand("new", con);

cmd.CommandType = CommandType.StoredProcedure;

cmd.Parameters.AddWithValue("@query", "3");

cmd.Parameters.AddWithValue("@id", txtid.Text);

cmd.Parameters.AddWithValue("@name", 0);

cmd.Parameters.AddWithValue("@email", 0);

cmd.Parameters.AddWithValue("@address", 0);

cmd.Parameters.AddWithValue("@password", 0);

cmd.ExecuteNonQuery();

}

}

}