AppState 值可以通过页面请求更改/存储,何时(Page_init?)以及它们如何更改?
//On some other page
Response.Redirect("mypage.aspx?ID=10")
//On Page_Load of myPage.aspx
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)
Dim id = AppSate("ID").Value //id will equal 10
...
end sub