private void usrDanhSachKhachHang_Load(object sender, EventArgs e)
{
busLoaiKH = new BUS.BUSLOAIKH();
usrLoaiKhachHang LKH = new usrLoaiKhachHang();
LKH.DSLoaiKH += new usrLoaiKhachHang.LoaiKH(hanhdong);
panel1.Controls.Add(LKH);
LKH.Dock = DockStyle.Fill;
dtoLoaiKH = busLoaiKH.LayTatCaLOAIKH();
glkLKH.Properties.DataSource = dtoLoaiKH;
glkLKH.Properties.DisplayMember = "TENLOAIKH";
glkLKH.Properties.ValueMember = "MALOAIKH";
LoadKhachHang();
backgroundWorker1.RunWorkerAsync();
}
private void btnLoaiKH_ItemClick(object sender, ItemClickEventArgs e)
{
usrLoaiKhachHang usr = new usrLoaiKhachHang();
panelControl1.Controls.Clear();
panelControl1.Controls.Add(usr);
usr.Dock = DockStyle.Fill;
}