insert data from datagridview to database

here is my code plz help me out:(

private void button3_Click(object sender, EventArgs e)
        {
            try
            {

MySqlConnection conDatabase = new MySqlConnection("Data Source=localhost; Persist Security Info=yes; UserId=root; ");

                conDatabase.Open();
                MySqlDataAdapter objSqlDataAdapter = new MySqlDataAdapter("insert into"+textBox1.Text+"VALUES("+"nayab"+","+"one"+","+"two"+")"+";", conDatabase);
                MySqlCommandBuilder objSqlCommandBuilder = new MySqlCommandBuilder(objSqlDataAdapter);
                conDatabase.Close();
            }
            catch (Exception e1)
            {
                MessageBox.Show(e1.Message + e1.Source);
            }


        }