private void btNext_Click(object sender, EventArgs e)
 {
     Def.DbTableInUse = lbTables.SelectedItem.ToString();
     if (rbMultivariate.Checked)
         Def.Multivariate = true;
     else
         Def.Multivariate = false;
     FrmWizardDefineVariables fNext = new FrmWizardDefineVariables();
     fNext.Show();
     Close();
 }
 private void btBack_Click(object sender, EventArgs e)
 {
     FrmWizardDefineVariables fBack = new FrmWizardDefineVariables();
     fBack.Show();
     Close();
 }