Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load      If Not Page.IsPostBack Then           ' If querystring value is missing, send the user to ManageUsers.aspx           Dim userName As String = Request.QueryString("user")           If String.IsNullOrEmpty(userName) Then                Response.Redirect("ManageUsers.aspx")           End If           ' Get information about this user           Dim usr As MembershipUser = Membership.GetUser(userName)           If usr Is Nothing Then                Response.Redirect("ManageUsers.aspx")           End If           UserNameLabel.Text = usr.UserName           IsApproved.Checked = usr.IsApproved           If usr.LastLockoutDate.Year < 2000 Then                LastLockoutDateLabel.Text = String.Empty           Else                LastLockoutDateLabel.Text = usr.LastLockoutDate.ToShortDateString()                UnlockUserButton.Enabled = usr.IsLockedOut           End If      End If End Sub