From 37390333116bba2353da5449fb160d4637dff92b Mon Sep 17 00:00:00 2001
From: Kathy <kruffing@volian.com>
Date: Fri, 11 Mar 2022 15:58:33 +0000
Subject: [PATCH] =?UTF-8?q?B2022-038:=20Don=E2=80=99t=20crash=20on=20table?=
 =?UTF-8?q?=20restore?=
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---
 PROMS/Volian.Controls.Library/DisplayHistory.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/PROMS/Volian.Controls.Library/DisplayHistory.cs b/PROMS/Volian.Controls.Library/DisplayHistory.cs
index 14ae9d78..b62345f8 100644
--- a/PROMS/Volian.Controls.Library/DisplayHistory.cs
+++ b/PROMS/Volian.Controls.Library/DisplayHistory.cs
@@ -313,7 +313,9 @@ namespace Volian.Controls.Library
 						GridAuditInfoList gail = GridAuditInfoList.Get(cai.ContentID);
 						foreach (GridAuditInfo gai in gail)
 						{
-							if (gai.DeleteStatus == 0)
+							// B2022-038: Fix crash on restore of grid.  If it doesn't have a ContentAuditID don't add to list (was causing a Null access
+							//	when restoring the change)
+							if (gai.DeleteStatus == 0 && gai.ContentAuditID != 0)
 							{
 								if (contentHistory == null)
 									contentHistory = tvAudits.Nodes.Add("Content Changes"); //contentHistory = tvAudits.Nodes.Add("Content History");