#!/usr/bin/perl

use strict;
use warnings;
use Tk;
use DBI;
use DBD::mysql;

our $type="mysql";
our $database="store";
our $host="somesite.com";
our $port="3306";
our $tablename="vegetables";
our $user="example";
our $pwd="*********";

our $dsn="dbi:$type:$database:$host:$port";
our $query;
our $queryhandle;
our $connect=DBI->connect($dsn,$user,$pwd) || die "ERROR: $!\n";

my $mw=new MainWindow;

$mw->Label(-text=>"Search for vegetables")->pack;  # fix misspelled "Lable"
my $veges=$mw->Entry()->pack;
$mw->Button(-text=>"Search",-command=>\&search)->pack;

# Declare a variable and just one Label widget for displaying results:
my $result_string;
my $results = $mw->Label( -textvariable => \$result_string )->pack;

sub search{
    my $sv=$veges->get();$veges->delete(qw/0 end/);

    $query="SELECT count(*) FROM vegetables WHERE vegetable LIKE '%$sv%'";
    $queryhandle=$connect->prepare($query);
    $queryhandle->execute;

    my ( $hit_count ) = $queryhandle->fetchrow_array; # there's just one row
    $result_string = sprintf( "Found %d matches for %s", $hit_count, $sv );
        # assigning a new value to $result_string will update the Label display
}
MainLoop;