private void pictureBox2_Click(object sender, EventArgs e)
{
this.Hide();
var stokIslem = new StokIslemleri();
stokIslem.ShowDialog();
this.Close();
}
private void pbStokIslemleri_Click(object sender, EventArgs e)
{
this.Hide();
var stok = new StokIslemleri();
stok.ShowDialog();
this.Dispose();
}