开启在新视窗并且传入值

Protected Sub ListView2_ItemCommand(sender As Object, e As System.Web.UI.WebControls.ListViewCommandEventArgs) Handles ListView2.ItemCommand
        Dim hdfFileListNo As HiddenField = e.Item.FindControl("hdfFileListNo")
        Dim hdfFileListSubNo As HiddenField = e.Item.FindControl("hdfFileListSubNo")
        Dim hdfFileName As HiddenField = e.Item.FindControl("hdfFileName")
        Dim FileMemo As LinkButton = e.Item.FindControl("FileMemo")
        Dim strFilePath As String = ConfigurationManager.AppSettings(strCnnType & "BTA_FileMgn_Files").ToString & "\" & hdfFileListNo.Value & "\" & hdfFileListSubNo.Value & "\" & hdfFileName.Value & ".mp4"
        FileMemo.Attributes.Add("onclick", "void window.open('/bta/personal/ClassView.aspx?type=" & strFilePath & "') ")
End Sub

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        Dim str as String = Request.QueryString("type")
        If Not IsPostBack Then
            If Request.QueryString("type") <> "" Then
                ......
            End If
        End If
End Sub