ASP.NET 2.0里动态访问META标记

在asp.net 2.0里，可以支持动态访问meta 标记了，比如可以动态增加关键字了
private sub createmetatags()

     dim hm as new htmlmeta()

    dim head as htmlhead = ctype(page.header, htmlhead)

    hm.name = "keywords"

    hm.content = "vb.net, vb.net, .net"

    head.controls.add(hm)

end sub