private void lblOdalar_Click(object sender, EventArgs e)
 {
     if (kulllaniciAdi != "")
     {
         Odalar = new FormOdaArama();
         Odalar.Show();
         this.Hide();
     }
 }
 private void picOdaArama_Click(object sender, EventArgs e)
 {
     OdaArama = new FormOdaArama();
     OdaArama.Show();
     this.Hide();
 }