From 074f61c31801a2df10d19503f9592d3bb37f44ed Mon Sep 17 00:00:00 2001
From: Ansgar Becker <anse@heidisql.com>
Date: Sun, 10 Feb 2019 13:09:16 +0100
Subject: [PATCH] Silence EOleError when checking field value for NULL:
 "Multiple-step operation generated errors. Check each status value.". Closes
 #496

---
 source/dbconnection.pas | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/source/dbconnection.pas b/source/dbconnection.pas
index a7456705..8b6a9356 100644
--- a/source/dbconnection.pas
+++ b/source/dbconnection.pas
@@ -6468,8 +6468,15 @@ begin
     Result := False
   else if FEditingPrepared and Assigned(FCurrentUpdateRow) then
     Result := FCurrentUpdateRow[Column].NewIsNull
-  else
-    Result := FCurrentResults.Fields[Column].IsNull;
+  else begin
+    try
+      Result := FCurrentResults.Fields[Column].IsNull;
+    except
+      // Silence error: "Multiple-step operation generated errors. Check each status value."
+      // @see #496
+      on E:EOleException do;
+    end;
+  end;
 end;