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Tip of the Day
Language: VB7
Expertise: beginner
Nov 24, 2003



Application Security Testing: An Integral Part of DevOps

ShowMessageBox - Showing a client-side message box at the next page load

' Show a client-side message box at the next page load
' Example:
'    ShowMessageBox(Me, "Order successfully submitted!")

Sub ShowMessageBox(ByVal webPage As System.Web.UI.Page, ByVal message As String)
    ' replace ' with \', otherwise the resulting javascript may raise errors
    message = message.Replace("'", "\'")
    ' create the script and add it to the page's response
    Dim script As String = "<script language=""javascript"">alert('" & message _
        & "');</script>"
    If (Not webPage.IsStartupScriptRegistered("StartupAlert")) Then
        webPage.RegisterStartupScript("StartupAlert", script)
    End If
End Sub
Marco Bellinaso
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