Creating a DataGrid Using DataSet

Default.aspx:-

 <form id="form1" runat="server">
    <div>
        <asp:GridView ID="GridView1" runat="server">
        </asp:GridView>
    </div>
    </form>

Default.aspx.cs

 using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.Sql;
using System.Data.SqlClient;

namespace DataGridUsingDataset
{
    public partial class _Default : System.Web.UI.Page
    {
        SqlConnection conn = new SqlConnection("Data Source=INNOVA14;uid=sa;pwd=innova;Initial Catalog=Employee");
        protected void Page_Load(object sender, EventArgs e)
        {
            loadmyGridUsingStoredProcedure();
        }

        public void loadmyGridUsingStoredProcedure()
        {
            conn.Open();
            SqlDataAdapter sda = new SqlDataAdapter("usp_GetEmployeeDetails", conn);
            SqlCommand comm = new SqlCommand();
            comm.CommandType = CommandType.StoredProcedure;
            DataSet ds = new DataSet();
            sda.Fill(ds);
            GridView1.DataSource = ds;
            //this.GridView1.DataSource = ds.DefaultViewManager;
            GridView1.DataBind();
            conn.Close();
        }

    }
}