diff --git a/components/rx/rxdbgrid.pas b/components/rx/rxdbgrid.pas
index 41b52aebf..862181cbe 100644
--- a/components/rx/rxdbgrid.pas
+++ b/components/rx/rxdbgrid.pas
@@ -469,7 +469,7 @@ type
     FSortColumns: TRxDbGridColumnsSortList;
     FSortingNow:Boolean;
     FInProcessCalc: integer;
-    FAllowedOperations: TRxDBGridAllowedOperations;
+//    FAllowedOperations: TRxDBGridAllowedOperations;
     //
     FKeyStrokes: TRxDBGridKeyStrokes;
     FOnGetCellProps: TGetCellPropsEvent;
@@ -523,6 +523,7 @@ type
     FOldDataSetState:TDataSetState;
 
     procedure DoCreateJMenu;
+    function GetAllowedOperations: TRxDBGridAllowedOperations;
     function GetColumns: TRxDbGridColumns;
     function GetFooterColor: TColor;
     function GetFooterRowCount: integer;
@@ -533,6 +534,7 @@ type
     function GetSortOrder: TSortMarker;
     function GetTitleButtons: boolean;
     function IsColumnsStored: boolean;
+    procedure SetAllowedOperations(AValue: TRxDBGridAllowedOperations);
     procedure SetAutoSort(const AValue: boolean);
     procedure SetColumns(const AValue: TRxDbGridColumns);
     procedure SetFooterColor(const AValue: TColor);
@@ -712,8 +714,7 @@ type
       read GetPropertyStorage write SetPropertyStorage;
     property Version: integer read FVersion write FVersion default 0;
     property AllowedOperations: TRxDBGridAllowedOperations
-      read FAllowedOperations write FAllowedOperations default
-      [aoInsert, aoUpdate, aoDelete, aoAppend];
+      read GetAllowedOperations write SetAllowedOperations default [aoInsert, aoUpdate, aoDelete, aoAppend]; deprecated;
     property OptionsRx: TOptionsRx read FOptionsRx write SetOptionsRx;
     property FooterColor: TColor read GetFooterColor write SetFooterColor default clWindow; deprecated;
     property FooterRowCount: integer read GetFooterRowCount write SetFooterRowCount default 0; deprecated;
@@ -1696,6 +1697,22 @@ begin
   CreateMenuItem('A', sRxDBGridSelectAllRows, @OnSelectAllRows);
 end;
 
+function TRxDBGrid.GetAllowedOperations: TRxDBGridAllowedOperations;
+begin
+//  Result:=FAllowedOperations;
+  if dgDisableInsert in Options then
+    Result:=Result - [aoInsert, aoAppend]
+  else
+    Result:=Result + [aoInsert, aoAppend]
+    ;
+
+  if dgDisableDelete in Options then
+    Result:=Result - [aoDelete]
+  else
+    Result:=Result + [aoDelete]
+    ;
+end;
+
 function TRxDBGrid.GetPropertyStorage: TCustomPropertyStorage;
 begin
   Result := FPropertyStorageLink.Storage;
@@ -1727,6 +1744,20 @@ begin
   Result := TRxDbGridColumns(TCustomDrawGrid(Self).Columns).Enabled;
 end;
 
+procedure TRxDBGrid.SetAllowedOperations(AValue: TRxDBGridAllowedOperations);
+begin
+//  FAllowedOperations:=AValue;
+  if [aoInsert, aoAppend] * AValue <> [aoInsert, aoAppend] then
+    Options:=Options - [dgDisableInsert]
+  else
+    Options:=Options + [dgDisableInsert];
+
+  if aoDelete in AValue then
+    Options:=Options - [dgDisableDelete]
+  else
+    Options:=Options + [dgDisableDelete]
+end;
+
 procedure TRxDBGrid.SetColumns(const AValue: TRxDbGridColumns);
 begin
   TRxDbGridColumns(TCustomDrawGrid(Self).Columns).Assign(Avalue);
@@ -3467,8 +3498,8 @@ begin
   if (Key in CCancelQuickSearchKeys) then
     if Length(QuickUTF8Search) > 0 then
       QuickUTF8Search := '';
-  case Key of
-    VK_DELETE: if not (aoDelete in FAllowedOperations) then
+(*  case Key of
+{    VK_DELETE: if not (aoDelete in FAllowedOperations) then
         exit;
     VK_INSERT: if not (aoInsert in FAllowedOperations) then
         exit;
@@ -3495,14 +3526,17 @@ begin
       begin
         FTmpReadOnly := ReadOnly;
         ReadOnly := True;
-        inherited KeyDown(Key, Shift);
-        ReadOnly := FTmpReadOnly;
+        try
+          inherited KeyDown(Key, Shift);
+        finally
+          ReadOnly := FTmpReadOnly;
+        end;
         exit;
-      end
+      end }
 {      else
         UpdateRowsHeight;
-    VK_UP:UpdateRowsHeight};
-  end;
+    VK_UP:UpdateRowsHeight}
+  end; *)
   inherited KeyDown(Key, Shift);
   if Key <> 0 then
   begin
@@ -4438,7 +4472,7 @@ begin
   FPropertyStorageLink.OnSave := @OnIniSave;
   FPropertyStorageLink.OnLoad := @OnIniLoad;
 
-  FAllowedOperations := [aoInsert, aoUpdate, aoDelete, aoAppend];
+//  FAllowedOperations := [aoInsert, aoUpdate, aoDelete, aoAppend];
 
   FFilterListEditor := TFilterListCellEditor.Create(nil);
   with FFilterListEditor do
diff --git a/components/rx/version/2.1/rxdbgrid.pas b/components/rx/version/2.1/rxdbgrid.pas
index 41b52aebf..862181cbe 100644
--- a/components/rx/version/2.1/rxdbgrid.pas
+++ b/components/rx/version/2.1/rxdbgrid.pas
@@ -469,7 +469,7 @@ type
     FSortColumns: TRxDbGridColumnsSortList;
     FSortingNow:Boolean;
     FInProcessCalc: integer;
-    FAllowedOperations: TRxDBGridAllowedOperations;
+//    FAllowedOperations: TRxDBGridAllowedOperations;
     //
     FKeyStrokes: TRxDBGridKeyStrokes;
     FOnGetCellProps: TGetCellPropsEvent;
@@ -523,6 +523,7 @@ type
     FOldDataSetState:TDataSetState;
 
     procedure DoCreateJMenu;
+    function GetAllowedOperations: TRxDBGridAllowedOperations;
     function GetColumns: TRxDbGridColumns;
     function GetFooterColor: TColor;
     function GetFooterRowCount: integer;
@@ -533,6 +534,7 @@ type
     function GetSortOrder: TSortMarker;
     function GetTitleButtons: boolean;
     function IsColumnsStored: boolean;
+    procedure SetAllowedOperations(AValue: TRxDBGridAllowedOperations);
     procedure SetAutoSort(const AValue: boolean);
     procedure SetColumns(const AValue: TRxDbGridColumns);
     procedure SetFooterColor(const AValue: TColor);
@@ -712,8 +714,7 @@ type
       read GetPropertyStorage write SetPropertyStorage;
     property Version: integer read FVersion write FVersion default 0;
     property AllowedOperations: TRxDBGridAllowedOperations
-      read FAllowedOperations write FAllowedOperations default
-      [aoInsert, aoUpdate, aoDelete, aoAppend];
+      read GetAllowedOperations write SetAllowedOperations default [aoInsert, aoUpdate, aoDelete, aoAppend]; deprecated;
     property OptionsRx: TOptionsRx read FOptionsRx write SetOptionsRx;
     property FooterColor: TColor read GetFooterColor write SetFooterColor default clWindow; deprecated;
     property FooterRowCount: integer read GetFooterRowCount write SetFooterRowCount default 0; deprecated;
@@ -1696,6 +1697,22 @@ begin
   CreateMenuItem('A', sRxDBGridSelectAllRows, @OnSelectAllRows);
 end;
 
+function TRxDBGrid.GetAllowedOperations: TRxDBGridAllowedOperations;
+begin
+//  Result:=FAllowedOperations;
+  if dgDisableInsert in Options then
+    Result:=Result - [aoInsert, aoAppend]
+  else
+    Result:=Result + [aoInsert, aoAppend]
+    ;
+
+  if dgDisableDelete in Options then
+    Result:=Result - [aoDelete]
+  else
+    Result:=Result + [aoDelete]
+    ;
+end;
+
 function TRxDBGrid.GetPropertyStorage: TCustomPropertyStorage;
 begin
   Result := FPropertyStorageLink.Storage;
@@ -1727,6 +1744,20 @@ begin
   Result := TRxDbGridColumns(TCustomDrawGrid(Self).Columns).Enabled;
 end;
 
+procedure TRxDBGrid.SetAllowedOperations(AValue: TRxDBGridAllowedOperations);
+begin
+//  FAllowedOperations:=AValue;
+  if [aoInsert, aoAppend] * AValue <> [aoInsert, aoAppend] then
+    Options:=Options - [dgDisableInsert]
+  else
+    Options:=Options + [dgDisableInsert];
+
+  if aoDelete in AValue then
+    Options:=Options - [dgDisableDelete]
+  else
+    Options:=Options + [dgDisableDelete]
+end;
+
 procedure TRxDBGrid.SetColumns(const AValue: TRxDbGridColumns);
 begin
   TRxDbGridColumns(TCustomDrawGrid(Self).Columns).Assign(Avalue);
@@ -3467,8 +3498,8 @@ begin
   if (Key in CCancelQuickSearchKeys) then
     if Length(QuickUTF8Search) > 0 then
       QuickUTF8Search := '';
-  case Key of
-    VK_DELETE: if not (aoDelete in FAllowedOperations) then
+(*  case Key of
+{    VK_DELETE: if not (aoDelete in FAllowedOperations) then
         exit;
     VK_INSERT: if not (aoInsert in FAllowedOperations) then
         exit;
@@ -3495,14 +3526,17 @@ begin
       begin
         FTmpReadOnly := ReadOnly;
         ReadOnly := True;
-        inherited KeyDown(Key, Shift);
-        ReadOnly := FTmpReadOnly;
+        try
+          inherited KeyDown(Key, Shift);
+        finally
+          ReadOnly := FTmpReadOnly;
+        end;
         exit;
-      end
+      end }
 {      else
         UpdateRowsHeight;
-    VK_UP:UpdateRowsHeight};
-  end;
+    VK_UP:UpdateRowsHeight}
+  end; *)
   inherited KeyDown(Key, Shift);
   if Key <> 0 then
   begin
@@ -4438,7 +4472,7 @@ begin
   FPropertyStorageLink.OnSave := @OnIniSave;
   FPropertyStorageLink.OnLoad := @OnIniLoad;
 
-  FAllowedOperations := [aoInsert, aoUpdate, aoDelete, aoAppend];
+//  FAllowedOperations := [aoInsert, aoUpdate, aoDelete, aoAppend];
 
   FFilterListEditor := TFilterListCellEditor.Create(nil);
   with FFilterListEditor do