private void xoaSachToolStripButton_Click(object sender, EventArgs e) { if (frmDangNhap.kiemTraDangNhap == true) { frmQuanLyKhachHang frm = new frmQuanLyKhachHang(); frm.Show(); } else { frmDangNhap frm = new frmDangNhap(); frm.ShowDialog(); } }
private void QuanLyKhachHang_Click(object sender, EventArgs e) { if (frmQLKH == null) { frmQLKH = new frmQuanLyKhachHang(); frmQLKH.MdiParent = this; frmQLKH.Dock = DockStyle.Fill; frmQLKH.WindowState = FormWindowState.Maximized; frmQLKH.Show(); } else { frmQLKH.BringToFront(); } }
private void btnThemKhachHang_Click(object sender, EventArgs e) { frmQuanLyKhachHang frm = new frmQuanLyKhachHang(); frm.Show(); }