Your problem is likely in your connection string. Sample ADO code for SQL Server is
ListView1.Items.Clear()
Dim con As New ADODB.Connection
Dim rec As New ADODB.Recordset
con.Open("Driver={SQL Server};Server=.\SQLEXPRESS;Database=PUBS;Trusted_Connection=yes;")
rec.Open("SELECT au_lname,au_fname,zip FROM authors WHERE au_lname like 'S%'", con, CursorTypeEnum.adOpenStatic)
Do Until rec.EOF
ListView1.Items.Add(New ListViewItem({rec("au_lname").Value, rec("au_fname").Value, rec("zip").Value}))
rec.MoveNext()
Loop
rec.Close()
con.Close()