private void HienThiDanhSachKhachHang()
{
HienThiKhachHangBLL hienThiKhachHangBLL = new HienThiKhachHangBLL();
gvDanhSachKhachHang.Rows.Clear();
int nam = 0, nu = 0, Tong = 0;
foreach (KhachHang KhachHang in hienThiKhachHangBLL.HienThiDanhSachKhachHang())
{
DataGridViewRow dataGridViewRow = new DataGridViewRow();
dataGridViewRow.CreateCells(gvDanhSachKhachHang);
dataGridViewRow.Cells[0].Value = KhachHang.MaKhachHang;
dataGridViewRow.Cells[1].Value = KhachHang.TenKhachHang;
dataGridViewRow.Cells[2].Value = KhachHang.NgaySinh.ToString("dd/MM/yyyy");
dataGridViewRow.Cells[3].Value = KhachHang.GioiTinh;
dataGridViewRow.Cells[4].Value = KhachHang.DiaChi;
dataGridViewRow.Cells[5].Value = KhachHang.DienThoai;
dataGridViewRow.Cells[6].Value = KhachHang.LoaiKhachHang;
dataGridViewRow.Cells[7].Value = KhachHang.ChungMinhThu;
gvDanhSachKhachHang.Rows.Add(dataGridViewRow);
if (KhachHang.GioiTinh == "Nam")
{
nam++;
}
if (KhachHang.GioiTinh == "Nữ")
{
nu++;
}
Tong++;
}
texTong.Text = Tong + "";
texTongNam.Text = nam + "";
TexTongNu.Text = nu + "";
}
private void btnTimKiem_Click(object sender, EventArgs e)
{
HienThiKhachHangBLL hienThiKhachHangBLL = new HienThiKhachHangBLL();
List <KhachHang> DanhSachKhachHang = new List <KhachHang>();
if (radioMaKH.Checked)
{
DanhSachKhachHang = hienThiKhachHangBLL.HienThiDanhSachKhachHangTheoMa(texTimKiem.Text);
HienThiDanhSachKH(DanhSachKhachHang);
}
else if (radioTenKH.Checked)
{
DanhSachKhachHang = hienThiKhachHangBLL.HienThiDanhSachKhachHangTheoTen(texTimKiem.Text);
HienThiDanhSachKH(DanhSachKhachHang);
}
else if (radioCMTKH.Checked)
{
DanhSachKhachHang = hienThiKhachHangBLL.HienThiDanhSachKhachHangTheoCMT(texTimKiem.Text);
HienThiDanhSachKH(DanhSachKhachHang);
}
else
{
MessageBox.Show("Bạn Cần Nhập Lựa Chọn Trước Khi Tìm Kiếm");
}
}
private void btnChinhSua_Click(object sender, EventArgs e)
{
if (texMaKhachHang.Text == "" || texMaKhachHang.Text == null)
{
MessageBox.Show("Bạn Cần Nhập Mã Khách Hàng Trước Khi Thêm");
return;
}
else if (cbLoaiKhachHang.SelectedIndex == -1)
{
MessageBox.Show("Bạn Cần Chọn Loại Khách Hàng Trước Khi Thêm");
return;
}
else
{
HienThiKhachHangBLL hienThiKhachHangBLL = new HienThiKhachHangBLL();
KhachHang khachHang = new KhachHang()
{
MaKhachHang = texMaKhachHang.Text,
TenKhachHang = texTenKhachHang.Text,
DiaChi = texDiaChi.Text,
ChungMinhThu = texSoChungMinh.Text,
DienThoai = texDienThoai.Text,
GioiTinh = cbGioiTinh.Text,
NgaySinh = dateNgaySinh.Value
};
if (cbLoaiKhachHang.SelectedIndex != -1)
{
LoaiKhachHang loaiKhachHang = cbLoaiKhachHang.SelectedItem as LoaiKhachHang;
khachHang.LoaiKhachHang = loaiKhachHang.MaLoaiKhachHang;
}
hienThiKhachHangBLL.SuaThongTinKhachHang(khachHang);
if (LKH == null)
{
HienThiDanhSachKhachHang();
}
else
{
List <KhachHang> DanhSachKhachHang = new List <KhachHang>();
DanhSachKhachHang = hienThiKhachHangBLL.HienThiDanhSachKhachHangTheoLoai(LKH.MaLoaiKhachHang);
HienThiDanhSachKH(DanhSachKhachHang);
}
}
}
private void btnLuuKhachHang_Click(object sender, EventArgs e)
{
HienThiKhachHangBLL hienThiKhachHangBLL = new HienThiKhachHangBLL();
foreach (KhachHang kh in hienThiKhachHangBLL.HienThiDanhSachKhachHang())
{
if (kh.MaKhachHang.Trim() == txtMaKhachHang.Text.Trim())
{
MessageBox.Show("khách hàng đã tồn tại trong hệ thống");
return;
}
}
if (txtMaKhachHang.Text.Trim() == "" || txtMaKhachHang.Text.Trim() == null)
{
MessageBox.Show("Bạn Cần Nhập Mã Khách Hàng Trước Khi Thêm");
return;
}
else if (cbLoaiKhachHang.SelectedIndex == -1)
{
MessageBox.Show("Bạn Cần Chọn Loại Khách Hàng Trước Khi Thêm");
return;
}
else
{
KhachHang khachHang = new KhachHang()
{
MaKhachHang = txtMaKhachHang.Text,
TenKhachHang = txtTenKhachHang.Text,
DiaChi = txtDiaChi.Text,
ChungMinhThu = "Chưa Cập Nhâp",
DienThoai = txtDienThoai.Text,
GioiTinh = textGioiTinh.Text,
NgaySinh = new DateTime()
};
if (cbLoaiKhachHang.SelectedIndex != -1)
{
LoaiKhachHang loaiKhachHang = cbLoaiKhachHang.SelectedItem as LoaiKhachHang;
khachHang.LoaiKhachHang = loaiKhachHang.MaLoaiKhachHang;
}
hienThiKhachHangBLL.ThemMoiKhachHang(khachHang);
MessageBox.Show("Đã Thêm Mới Thành Công Khách Hàng");
}
}
private void tvPhanLoaiKhachHang_AfterSelect(object sender, TreeViewEventArgs e)
{
if (e.Node != null)
{
if (e.Node == tvPhanLoaiKhachHang.Nodes[0].Nodes[0])
{
HienThiDanhSachKhachHang();
}
}
if (e.Node.Level == 2)
{
LoaiKhachHang loaikhachHang = e.Node.Tag as LoaiKhachHang;
HienThiKhachHangBLL hienThiKhachHangBLL = new HienThiKhachHangBLL();
List <KhachHang> DanhSachKhachHang = hienThiKhachHangBLL.HienThiDanhSachKhachHangTheoLoai(loaikhachHang.MaLoaiKhachHang);
HienThiDanhSachKH(DanhSachKhachHang);
LKH = loaikhachHang;
}
else
{
LKH = null;
return;
}
}
public void HienThiKhachHangTheoMa(string MaKhachHang)
{
HienThiKhachHangBLL hienThiKhachHangBLL = new HienThiKhachHangBLL();
List <KhachHang> DanhSach = hienThiKhachHangBLL.HienThiDanhSachKhachHang();
int k = 0;
foreach (KhachHang kh in DanhSach)
{
k++;
if (kh.MaKhachHang.Trim() == MaKhachHang.Trim())
{
txtDiaChi.Enabled = false; txtDiaChi.Text = kh.DiaChi;
txtDienThoai.Enabled = false; txtDienThoai.Text = kh.DienThoai;
txtTenKhachHang.Enabled = false; txtTenKhachHang.Text = kh.TenKhachHang;
textGioiTinh.Enabled = false; textGioiTinh.Text = kh.GioiTinh;
cbLoaiKhachHang.Enabled = false; cbLoaiKhachHang.Text = kh.LoaiKhachHang;
break;
}
if (k == DanhSach.Count && kh.MaKhachHang != txtMaKhachHang.Text)
{
MessageBox.Show("Khách Hàng Không Tồn Tại ! Bạn Cần Tạo Mới Khách Hàng");
}
}
}
