Visual Basic

Imports System.Runtime.Interop
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    '  I'm assuming you're using the PropertyReadClass...
    Dim dso As New DSOleFile.PropertyReaderClass
    '
    '  Do whatever you need to with the object here...
    '
    ' Now, release the unmanaged object and it's underlying resources.
    Marshal.ReleaseComObject(dso)
    ' Drop our managed reference to the object.
    dso = Nothing
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<br />
            'DSO Properties<br />
            Dim oDsoPropReader As DSOleFile.PropertyReader = New DSOleFile.PropertyReaderClass<br />
            Dim oDsoFileProp As DSOleFile.DocumentProperties<br />
<br />
            oDsoFileProp = oDsoPropReader.GetDocumentProperties(strFullPath) '<-- This line causes the error<br />
<br />
            tbAuthor.Text = oDsoFileProp.Author<br />
            tbFormat.Text = oDsoFileProp.AppName<br />
            lblDateCreated.Text = oDsoFileProp.DateCreated<br />
            lblDateModfied.Text = oDsoFileProp.DateLastSaved<br />
<br />
            Marshal.ReleaseComObject(oDsoPropReader)<br />
<br />
            oDsoFileProp = Nothing<br />
            oDsoPropReader = Nothing<br />

Public Function ConvertStreamToByteBuffer(ByVal theStream As System.IO.Stream) As Byte()
	Dim b1 As Integer
	Dim tempStream As New System.IO.MemoryStream
	While Not ((b1 = theStream.ReadByte) = -1)
		tempStream.WriteByte(CType(b1, Byte))
	End While
	Return tempStream.ToArray
End Function

Dim oCmd As New OleDb.OleDbCommand()
Dim oDA As New OleDb.OleDbDataAdapter(oCmd)
Dim oDS As New DataSet()
Dim strCommand As String
Dim oConn As New OleDb.OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Northwind.mdb;Mode=ReadWrite; Persist Security Info=False")

   strCommand = "SELECT * FROM <table name>"
      Try
         oConn.Open()
         With oCmd
            .CommandType = CommandType.Text
            .Connection = oConn
            .CommandText = strCommand
         End With
      Catch ex As Exception
         MessageBox.Show("Failed to connect to data source")
      Finally
         oConn.Close()
      End Try
   oDS.Clear()
   oDA.Fill(oDS)
   DataGrid1.DataSource = oDS