private void btnSQL_Click(object sender, EventArgs e)
 {
     string subjectArea = cbSubjectArea.SelectedItem.ToString();
     frmSqlReordering frmSqlOrdering = new frmSqlReordering(subjectArea);
     frmSqlOrdering.Show();
     this.Hide();
 }
 private void rbSQL_CheckedChanged(object sender, EventArgs e)
 {
     frmSqlReordering frmSqlOrdering = new frmSqlReordering(_subjectArea);
     frmSqlOrdering.Show();
     this.Hide();
 }