From 608708e2494d89091f8feea34736ab059cffcee8 Mon Sep 17 00:00:00 2001
From: alexs75 <alexs75@8e941d3f-bd1b-0410-a28a-d453659cc2b4>
Date: Fri, 7 Sep 2012 14:12:36 +0000
Subject: [PATCH] fix RxDBGrid - AV in edit buttons if in DataSet not exists
 columns

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@2509 8e941d3f-bd1b-0410-a28a-d453659cc2b4
---
 components/rx/rxdbgrid.pas | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/components/rx/rxdbgrid.pas b/components/rx/rxdbgrid.pas
index 341fd64f3..eef851122 100644
--- a/components/rx/rxdbgrid.pas
+++ b/components/rx/rxdbgrid.pas
@@ -3532,7 +3532,7 @@ begin
   inherited DoEditorHide;
   R:=SelectedColumn as TRxColumn;
 
-  if Assigned(Editor) then
+  if Assigned(Editor) and Assigned(R) then
   for i:=0 to R.EditButtons.Count-1 do
     R.EditButtons[i].FButton.Visible:=false;
 end;
@@ -3546,7 +3546,7 @@ begin
 
   R:=SelectedColumn as TRxColumn;
 
-  if Assigned(Editor) then
+  if Assigned(Editor) and Assigned(R) then
   begin
     W:=0;
     for i:=0 to R.EditButtons.Count-1 do