DataGridView Show Error Message Like No Records in Window Application C#

DataGridView Show Error Message 

If DataGridView Display Error Message  Database Table Values Empty Or Null Using C# Window Application.

                    
                              DEMO

  
                            C# CODING

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

using System.Data.SqlClient;

namespace WindowsFormsApplication2

{

    public partial class Home11 : Form

    {

        public Home11()

        {

          

            InitializeComponent();

        }

        private void Home11_Load(object sender, EventArgs e)

        {

          

        }    

        private void button1_Click(object sender, EventArgs e)

        {           

   SqlConnection   con = new SqlConnection(@"Data Source=(LocalDB)\v11.0;AttachDbFilename=C:\Users\Litz\Documents\Visual Studio 2012\WindowsFormsApplication2\WindowsFormsApplication2\Database1.mdf;Integrated Security=True");

            con.Open();

            SqlCommand cmd = new SqlCommand("select * from capture",con);

            SqlDataAdapter adp = new SqlDataAdapter(cmd);

            DataTable dt = new DataTable();

            adp.Fill(dt);

            SqlDataReader rd = cmd.ExecuteReader();

            if (rd.Read())

            {

                dataGridView1.DataSource = dt;

            }

            else

            {

                             

                DataTable dd = new DataTable();

                dataGridView1.Width = 140;

                dataGridView1.Height = 90;

                dd.Columns.Add(" MESSAGE  ");

                dd.Rows.Add("Empty Table");

                dataGridView1.DataSource = dd;

           

            }

                  

        }

    }

}

First - Add Window Form -  Select DataGridView & Button From ToolBox

Next - Add Error Message To DataGridView  

Next - Run[F5] - Show Error Message If Table Null