问asp.net/vb网页未重定向

EN

<form id="Form1" method="post" runat="server">
    <a href="UserEdit.aspx?id=0">Edit Voter Permissions</a>         
    <h1><center>Polls</center></h1>

    <asp:repeater id="lstPolls" runat="server">
        <HeaderTemplate>
            <%= "<table border=0 cellpadding=0 cellspacing=4 align=center width=80% >" %>
            <%= "<tr><td></td><td align=center><font size=2><a href=PollEdit.aspx?ID=0>[new poll]</a></font></td></tr>" %>
        </HeaderTemplate>
        <ItemTemplate>
            <%="<tr bgcolor=#B3C9EF>"%>
            <%# PrintPollItem(Container.DataItem)%>
            <%= "</tr>" %>
        </ItemTemplate>
        <AlternatingItemTemplate>
            <%= "<tr bgcolor=""#DFEBFF"">" %>
            <%# PrintPollItem(Container.DataItem)%>
            <%= "</tr>" %>
        </AlternatingItemTemplate>
        <FooterTemplate><%= "</table>" %></FooterTemplate>
    </asp:repeater>

</form>

Protected Function PrintPollItem(ByVal myPoll As BLL.Poll) As String
    Dim txtTemp As New System.Text.StringBuilder

    txtTemp.Append("<td>")
    txtTemp.Append("<a href=PollEdit.aspx?ID=" & myPoll.ID.ToString() & ">")
    txtTemp.Append(myPoll.Name)
    txtTemp.Append("</a>")
    txtTemp.Append("</td>")
    txtTemp.Append("<td width=200 align=center>")

    Select Case myPoll.OpenStatus
        Case -1
            txtTemp.Append("poll closed: <a href=PollResults.aspx?ID=" & myPoll.ID.ToString() & "><font size=2>[view results]</font></a>")
        Case 1
                txtTemp.Append("poll open: <a href=PollList.aspx?ID=" & myPoll.ID.ToString() & "&Action=close><font size=2>[end now]</font></a><br /><a href=PollResults.aspx?ID=" & myPoll.ID.ToString() & "><font size=2>[view results]</font></a>")
        Case Else
            txtTemp.Append("poll pending: <a href=PollList.aspx?ID=" & myPoll.ID.ToString() & "&Action=open><font size=2>[open now]</font></a>")
    End Select

    txtTemp.Append("</td>")

    Return txtTemp.ToString()

End Function