private void khachHangPictureBox_Click(object sender, EventArgs e) { khachHang = new khachHangForm(); khachHang.MdiParent = this; mainPanel.Hide(); khachHang.Show(); }
private void qlKhachHangButton_Click(object sender, EventArgs e) { khachHang = new khachHangForm(); khachHang.MdiParent = this; mainPanel.Hide(); khachHang.Show(); }