private void Form1_Load(object sender, EventArgs e) { this.Show(); DangNhap(); frm_DangNhap dNhap = new frm_DangNhap(); dNhap.ShowDialog(this); DangNhap(); }
private void bnt_DangXuat(object sender, EventArgs e) { MacDinh(); dadangnhap = false; frm_DangNhap dNhap = new frm_DangNhap(); dNhap.ShowDialog(this); DangNhap(); }