Dim report As ReportDocument = New ReportDocument
        Dim dv As DataView
        Dim dt As DataTable

        dv = ...
        dt = dv.ToTable()

        Try
            report.Load("/nome report")
            report.Refresh()
            report.SetDataSource(dt)
            report.ExportToHttpResponse(ExportFormatType.PortableDocFormat, Response, False, "ExportedReport")
        Catch ex As Exception
            ...
        End Try