Diplaying a Access database in VB from a textbox

I want to Connect different Access database to my application with the same Tables and same Fields from a textbox which i used a openfileDialog to take a access database from my files

This the piece of code that i have But keep giving me an error

Imports System.Data.OleDb
Public Class Form2

Private Sub btnBrowse_Click(sender As Object, e As EventArgs) Handles btnBrowse.Click
OpenFileDialog1.Filter = "(*.mdb, *.accdb)|*.mdb; *.accdb"
OpenFileDialog1.RestoreDirectory = True

If (OpenFileDialog1.ShowDialog() = Windows.Forms.DialogResult.OK) Then
OpenFileDialog1.SafeFileNames.Count()
For i As Integer = 0 To OpenFileDialog1.SafeFileNames.Count() - 1
TextBox1.Text = OpenFileDialog1.SafeFileNames(i)
Next
End If
End Sub

Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
Dim connetionString As String

Dim cnn As OleDbConnection

Dim cmd As OleDbCommand

Dim sql As String

Dim reader As OleDbDataReader

connetionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source= + Textbox1.text;"

sql = "Select * From Table1"
cnn = New OleDbConnection(connetionString)

Try

cnn.Open()

cmd = New OleDbCommand(sql, cnn)

reader = cmd.ExecuteReader()

While reader.Read()

MsgBox(reader.Item(0) & " - " & reader.Item(1) & " - " & reader.Item(2))

End While

reader.Close()

cmd.Dispose()

cnn.Close()

Catch ex As Exception

MsgBox("Can not open connection ! ")

End Try

End Sub
End Class

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