#!/usr/local/bin/perl    
use Tk;
use Tk::Table;
use Tk::Entry;
my $mw = new MainWindow;
my $title = $mw -> title("kapsule");
my $button = $mw-> Button(-text=>"show",-font => "verdanafont 10 bold"
+,-command=>\&show_table)->pack(-side=>"top",-anchor => 

"w",-pady=>"15",-padx=>"5");

MainLoop;

sub show_table()
  {    
    if (!Exists($show_table_frame))
      {
        our $show_table_frame = $mw->Frame()->pack(-side => "top",-fil
+l => "both",-anchor => "nw",-padx=>"10");
    
        our $show_table = $show_table_frame->Table(-columns => 3,-rows
+ => 5,-scrollbars => "o",-fixedrows => 1,-fixedcolumns 

=> 0,-relief => 'raised',-takefocus=>"0",-pady=>"5");

        my $tmp_label = $show_table->Label(-text => "Col. 1 ", -width 
+=> 15, -relief =>'ridge');
        $show_table->put(0, 1, $tmp_label);

        my $tmp_label = $show_table->Label(-text => "Col. 2", -width =
+> 15, -relief =>'ridge');
        $show_table->put(0, 2, $tmp_label); 

        my $tmp_label = $show_table->Label(-text => "col. 3", -width =
+> 15, -relief =>'ridge');
        $show_table->put(0, 3, $tmp_label); 

     for($row=1;$row<5;$row++)
        {
        for ($col=1;$col<4;$col++)
        {
                   my $ent = $show_table -> Entry(-font=>"verdana 10")
+ -> pack(-ipady=>"15");
                   $show_table->put($row,$col,$ent);
        }
        }
    $show_table->pack();
    }    
  else
   {
       $show_table_frame->destroy();
   }

}
[download]

Try adding use strict; use warnings;.

If u press button show, again and again frame will come and go, and any data in the frame will also be lost. I want that, data should not be lost. How to do that ? Any suggestions!! Please help..Monks! thanks in Advance