From f6ec5dd00e3a4a383f43a06dc6165dd716340061 Mon Sep 17 00:00:00 2001
From: ja <ja@verag.ag>
Date: Fri, 5 Nov 2021 16:59:16 +0100
Subject: [PATCH] =?UTF-8?q?Event=20ge=C3=A4ndert?=
MIME-Version: 1.0
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---
 Customers/Invoices.aspx.vb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Customers/Invoices.aspx.vb b/Customers/Invoices.aspx.vb
index a435db0..ce6da6a 100644
--- a/Customers/Invoices.aspx.vb
+++ b/Customers/Invoices.aspx.vb
@@ -33,7 +33,7 @@ Partial Class Customers_Default3
             If Not csm1.IsStartupScriptRegistered(cstype, "Startup") Then
                 Dim string1 As String = "<script language=\""JavaScript\"">"
                 string1 += "</"
-                string1 += "window.addEventListener('beforeunload', (event) => {"
+                string1 += "window.addEventListener('onunload', (event) => {"
                 string1 += " event.preventDefault();"
                 string1 += "event.returnValue = '';"
                 string1 += "script>"