Hi again I have some progress here . It does create a new record for every add_button press BUT the count function does not increase at all and the balance is dead too. Im getting confused with the Static pragma i assume . I read allot about it but i do not use it correctly. 
sub add_button {
my $addframe = $frm_name4->Frame(
   -background=>'yellow',
   -relief=>'groove',
   -borderwidth=>5)
   ->pack(-side=>'top',
   -fill =>'x');
my $addtxtcount =  $addframe->Text(
   -width=>10,
   -height=>1)
   ->pack(-side=>'left',
   -anchor =>'nw');
my $addtxtexpense =  $addframe->Text(
   -width=>8,
   -height=>1)
   ->pack(-side=>'left',
   -anchor =>'nw',
   -padx=>5);
my $addtxtcost =  $addframe->Text(
   -width=>8,
   -height=>1)    
   -> pack(-side=>'left',
   -anchor =>'nw',
   -padx=>10);
chomp(my $expense = $expenseentry->get());
$expenseentry -> delete('0', 'end');
$addtxtexpense->insert('end',$expense);

#cost posting
chomp(my $cost = $costentry->get());
$costentry-> delete('1.0','end');
$addtxtcost->insert('end',$cost);
#countig posting
 my $count +=1;
print $count;

$addtxtcount->insert('end',$count);
#calculate balance
my @totalbalance = 0;

push(@totalbalance,$cost);
foreach( @totalbalance) {
         my $total += $_;

##write new balance
$balancetxt->delete('1.0','end');
$balancetxt->insert('end',$total);

#open  WRITEFILE , ">>$time.txt" or die "write error\n";
#print WRITEFILE ("$count) $expense          $cost \n");
#close WRITEFILE;
}
}

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In reply to Tk subroutine by props

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