C# (CSharp) QLBanVe Dang_Nhap Exemples

Exemple #1

        private void btQuayLai_Click(object sender, EventArgs e)
        {
            Dang_Nhap dn = new Dang_Nhap();

            this.Visible = false;
            dn.ShowDialog();
            this.Close();
        }

Exemple #2

        private void btQuayLai_Click(object sender, EventArgs e)
        {
            Form frm = Application.OpenForms["Dang_Nhap"];

            if (frm == null)
            {
                frm = new Dang_Nhap();
            }
            this.Hide();
            frm.Show();
        }