Dynamically adding CheckBox Controls to TabPages

private void tabPage3_Click(object sender, EventArgs e)

SqlConnection conn = new SqlConnection("Data Source=DPA1W073B;Initial Catalog=northwind;Integrated Security=SSPI");

SqlCommand cmd = new SqlCommand("Select RegionDescription from Region", conn);

SqlDataAdapter adapter = new SqlDataAdapter(cmd);

DataSet ds = new DataSet();

int CntChkBoxes = ds.Tables[0].Rows.Count;

CheckBox chk;

for (int i = 0; i < CntChkBoxes; i++)

chk = new CheckBox();

}