If Cristoforo's advice did not straighten out your problem, could you please rewrite your code with the mysql sample data hard coded in, so we can actually run it? I think you will see what is the problem. Here I just hard-coded @names and it works. I think you need to double check the output of @names from the db.

#!/usr/bin/perl 
use Tk; 
use Tk::Entry; 
use Tk::Table; 
use Tk::LabFrame; 
use warnings; 
use strict; 
use DBI;

my $v="0.00"; 
my $mw = MainWindow->new; 
$mw->geometry("250x400"); 
#$mw->resizable(0,0); 
$mw->title("Table Example");

#my $db=DBI->connect('dbi:mysql:Payroll','root','gocpon') or die();
# my $sh2=$db->prepare("select code,name from level ");
#  $sh2->execute() or die();
#my @name=$sh2->fetchrow_array; 
my @name = ([1, 'a'] , [2, 'b'] , [3, 'c'],  [4 ,'d'] ,
     [5, 'e'], [6, 'f'], [7, 'g'], [8, 'h'], [9, 'i'], ['a', 'j'], ['b
+', 'k'] );

my @top2=qw/No Name Amount/; 

my $table_frame = $mw->LabFrame()->pack(-expand=>1, -fill=>'both'); 

my $table = $table_frame->Table(-columns => 10, -rows => 6,-fixedrows 
+=> 1, -scrollbars => 'oe',-relief => 'raised',-background=>'white'); 

my $j=0; my $i=0; 

my @ents;

foreach my $j(1..11) { 

my $tmp_label=$table->Label(-text => $name[$i]->[0],-width => 8, -reli
+ef =>'raised'); 

my $tmp_label1 = $table->Label(-text => $name[$i]->[1],-width => 8, -r
+elief =>'raised'); 

my $tmp_label2= $table->Entry( -width => 8, -relief =>'raised',-bg => 
+'white',-validate=>'key'); 


$table->put($j,1,$tmp_label); 
$table->put($j,2,$tmp_label1); 
$table->put($j,3,$tmp_label2); 

push @ents, $tmp_label2;

$i++; 
} 

$table->pack( -expand=>1 , -fill=>'both'); 


my $button_frame = $mw->Frame( -borderwidth => 4 )->pack(); 
$button_frame->Button(-text => "Exit", -command => sub {exit})->pack()
+; 

&defineOrder( @ents );

MainLoop; 

sub defineOrder
{
    my $widget;
    for (my $i=0; defined( $_[$i+1] ); $i++)
    {
      $_[$i]->bind( '<Key-Return>', [\&focus, $_[$i+1]]);
      $_[$i]->bind( '<Tab>', [\&focus, $_[$i+1]]);
    }

    # Uncomment this line if you want to wrap around
    $_[ $#_ ]->bind('<Key-Return>',  [\&focus, $_[0]]);
    $_[ $#_ ]->bind('<Tab>',  [\&focus, $_[0]]);

    $_[0]->focus;
}

sub focus
{
    my ($tk, $self) = @_;
    $self->focus;
}
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