string  constring = " datasource = localhost;port = 3306; username = root; password=root
            MySqlConnection conDataBase = new MySqlConnection(constring);
            MySqlCommand cmdDataBase = new MySqlCommand("select * from database.edata;" conDataBase;
            try {
                MySqlDataAdapter sda = new MySqlDataAdapter();
                sda.SelectCommand = cmdDataBase;
                DataTable dbdataset=new DataTable()
                    sda.Fill(dbdataset);
                BindingSource bSource = new BindingSource;
                bSource.DataSource = bdDataset;
                dataGridView1.DataSource = bSource;
                sda.Update(dbdataset);