procedure TDBISAMDataSet.ApplyCachedUpdates;
begin
  if FCachingUpdates then
     begin
     CheckBrowseMode;
     try
        if Assigned(FOnCachedUpdateError) then
           FHandle.OnCacheError:=DoCacheError; // event is set for FHandle but exception happens in FCachedHandle where its nil !!!! Because of it OnCachedUpdateError event is not fired !
        try
           FHandle.ApplyCachedUpdatesToCursor(FCachedHandle,False);
        finally
           FHandle.OnCacheError:=nil;
        end;
     finally
        CancelCachedUpdates;
     end;
     end;
end;