private void button1_Click(object sender, EventArgs e) { DanhSachKhachHang f = new DanhSachKhachHang(); f.Show(); }
private void DanhSachKhachHangToolStripMenuItem_Click(object sender, EventArgs e) { DanhSachKhachHang frmDanhSạhKhachHang = new DanhSachKhachHang(); frmDanhSạhKhachHang.Show(); }