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();
}