[perl-win32-gui-users] displaying an empty Grid?

[tivolinewbie]

I wonder what the behaviour of the Win32::GUI::Grid
should be if you have created a grid and before you do
anything with it you just want to set it on $Grid->Show
This is what I have observe.  WHen I launch my program
up, I have to connect to a database, ie. this picture.
http://www.geocities.com/corvette_2050/huh0.jpg

Then after I have connected to the database, I can if I
want display it (data) on the grid by clicking on the
Refresh button as shown here in this photo.

http://www.geocities.com/corvette_2050/huh1.jpg

However if you look at the above photo, I had
intentionally wanted to display a fresh/empty Grid
prior to being filled with database info.  However when
I invoked $Grid->Show before actually calling
SetCellText(...), this is what I see (above photo) 
This grid is displayed but it is unproportional.  Is
there something I am missing? 

$Grid = $W->AddGrid (
      -name    => "Grid",
      -pos     => [70,80],
      -size => [890,490],
      -fixedrows    => 1,
      -fixedcolumns => 1,
      -editable => 0,
) or die "new Grid";
$Grid->SetRows(58);
$Grid->SetColumns(20);
$Grid->Hide;

Much later.
$Grid->Show;

Then later on... after user click Refresh.
while(@DataRowFromDB  = $sth->fetch ) {
  foreach $fieldData (@DataRowFromDB) {
  $Grid->SetCellText($rowcnt,$subitemcnt,$fieldData);
  ...
  }
}

Thanks in advance