Binding Navigator, Binding Source a TextBox MySql con Visual C#

Del cuadro de herramientas agregamos bindingNavigator1, bindingSource1 y 4 textbox.

bindingNavigator1 es una barra con botones de navegacion que se ubica en la parte superior del formulario, como muestra la fig. de abajo.

C#

using MySql.Data.MySqlClient;  // Agregar libreria MySql

namespace pryGrabar
{
    public partial class Form9 : Form
    {
        MySqlConnection conn = new MySqlConnection();
        public Form9()
        {
            InitializeComponent();
            carga();
        }
        private void carga()
        {
            string SQL = "select * from tutorials;";
              
                string cad; string[] A = new string[3];
                cad = "server=127.0.0.1;uid=minuvasoft;pwd=4321;database=ventas";
                try
                {
                    conn.ConnectionString = cad;
                    conn.Open();

                    MySqlDataAdapter adp = new MySqlDataAdapter(SQL,conn);

                    DataSet ds = new DataSet();
                    adp.Fill(ds,"tutorials");
                    adp.Dispose();
                    bindingSource1.DataSource = ds;
                    bindingSource1.DataMember = "tutorials";
                   textBox1.DataBindings.Add("Text",bindingSource1,"tutorial_id");
                   textBox2.DataBindings.Add("Text", bindingSource1, "tutorial_title");
                   textBox3.DataBindings.Add("Text", bindingSource1, "tutorial_author");
                    textBox4.DataBindings.Add("Text",bindingSource1,"precio");
                  conn.Close();
                }
                catch (MySqlException ex)
                {
                    MessageBox.Show(ex.Message);
                }
           
        }
}
}
En propiedades de bindingNavigator1 agregar bindingSource1.

minuvasoft@hotmail.com Miguel Nunez.