UpdatePanel+Timer 圖片輪動效果

利用UpdatePanel+Timer做出圖片輪動效果

  Protected Sub Page_Load(sender As Object, e As EventArgs) Handles Me.Load
        If Not IsPostBack Then
            Session("num") = 1
            Image1.ImageUrl = "0" & Session("num") & ".jpg"
        Else
            Session("num") = Session("num") + 1
            If Session("num") > 4 Then
                Session("num") = 1
            End If
            Image1.ImageUrl = "0" & Session("num") & ".jpg"
        End If
    End Sub
End Class