private void ABONELİKLERToolStripMenuItem_Click(object sender, EventArgs e)
{
Abonelikler abonelik = new Abonelikler();
abonelik.Show();
this.Hide();
}
private void btn_Abonelikler_Click(object sender, EventArgs e)
{
Abonelikler a = new Abonelikler();
a.Show();
this.Hide();
}
