Type 'OleDbConnection' is not defined

i got this error Type 'OleDbConnection' is not defined

my code is:-
Imports System.Data.OleDb
Public Class View2
Dim mycn As OleDbConnection = New OleDbConnection(cs)
Dim Command As OleDbCommand
Dim i As Integer
Dim SQLstr As String
Dim dr As OleDbDataReader
Dim ver As Integer


for cs means:-
Module connection_Strings
Public cs As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:\usofverification.mdb"
End Module

 

I am not using oledb connection.