C# ve SQL

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace WindowsApplication3
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

private bool showIt = false;
private int timeCount = 0;

private void Form1_Load(object sender, EventArgs e)
{
timer1.Start();
notifyIcon1.ShowBalloonTip(100);
}

private void kapatToolStripMenuItem1_Click(object sender, EventArgs e)
{
this.Close();
}

private void timer1_Tick(object sender, EventArgs e)
{
showIt = !showIt;
textBox1.Text = "showIt: " + showIt +" timeCount: " + timeCount;
pictureBox1.Visible = showIt;

timeCount += timer1.Interval;

if (timeCount == 10000)
timer1.Stop();

}

}
}