Merge two dataset and bind to gridview.

public partial class Merging : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            bindDatagrid();
        }

    }
    public void bindDatagrid()
    {        
        SqlConnection con;
        sqlConnection = new SqlConnection(ConfigurationManager.ConnectionStrings["myconnection"].ToString());

        SqlDataAdapter da1 = new SqlDataAdapter("select * from Emp", sqlConnection);
        SqlDataAdapter da2 = new SqlDataAdapter("select * from Orders", sqlConnection);
        DataSet ds1 = new DataSet();
        DataSet ds2 = new DataSet();
        da1.Fill(ds1, "Employees");
        da2.Fill(ds2, "Employees");
        dataSet1.Merge(ds2, false, MissingSchemaAction.Add);
        //dataSet1.Merge(dataSet2);
        GridView1.DataSource = ds1;
        GridView1.DataBind();
    }
}