Imports System.Web.Configuration Imports System.Security.Cryptography Partial Class login_Logout Inherits System.Web.UI.Page Dim sessionname Function Page_Load() As Threading.Tasks.Task Handles Me.Load FormsAuthentication.SignOut() Session.Clear() Session.Abandon() 'clear authentication cookie 'Dim cookie1 As HttpCookie = New HttpCookie(FormsAuthentication.FormsCookieName, "") 'cookie1.Expires = DateTime.Now.AddYears(-1) 'Response.Cookies.Add(cookie1) 'clear session cookie 'Dim sessionStateSection As New SessionStateSection 'SessionStateSection = WebConfigurationManager.GetSection("system.web/sessionState") 'Dim cookie2 As HttpCookie = New HttpCookie(sessionStateSection.CookieName, "") 'cookie2.Expires = DateTime.Now.AddYears(-1) 'Response.Cookies.Add(cookie2) Response.BufferOutput = True End Function Protected Sub btn_backtostart_Click(sender As Object, e As EventArgs) Handles btn_backtostart.ServerClick Response.Redirect("../login/login_FLEX.aspx") End Sub Protected Sub btn_backtostart_m_Click(sender As Object, e As EventArgs) Handles btn_backtostart_m.ServerClick Response.Redirect("../login/login_FLEX.aspx") End Sub End Class