private void ErrorBox1_GoToErrorPosition(object sender, EventArgs e)
        {
            if (_errorPosition != -1)
            {
                TextBoxSQL.SelectionStart  = _errorPosition;
                TextBoxSQL.SelectionLength = 0;
                TextBoxSQL.ScrollToCaret();
            }

            TextBoxSQL.Focus();
        }
 private void ErrorBox1_RevertValidText(object sender, EventArgs e)
 {
     TextBoxSQL.Text = _lastValidSql;
     TextBoxSQL.Focus();
 }