private void button4_Click(object sender, EventArgs e) { try { masa4.Visible = true; } catch { masa4 = new frmMusteri(button4); masa4.Visible = true; } }
private void button1_Click_1(object sender, EventArgs e) { try { masa1.Visible = true; } catch { masa1 = new frmMusteri(button1); masa1.Visible = true; } }