OdbcConnection conn = new OdbcConnection(); conn.ConnectionString = "DSN=MYDSN;UID=MYUSER;PWD=MYPWD"; try { conn.Open(); using (OdbcCommand com = new OdbcCommand("SELECT * FROM MYTABLE", conn)) { using (OdbcDataReader reader = com.ExecuteReader()) { while (reader.Read()) { string word = reader.GetString(0); listBox1.Items.Add(word); } } } } catch (Exception ex) { MessageBox.Show(ex.message); } finally { conn.Close(); }