void LoadData()
{
nhanVien.LayNhanVien(dtgvDS);
nhanVien.LoadDiaChi(cbbDiaChi);
this.btnLuu.Enabled = false;
this.btnHuy.Enabled = true;
this.btnSua.Enabled = false;
this.btnThem.Enabled = true;
this.btnXoa.Enabled = false;
this.txtHoTen.Enabled = false;
this.cbbGioiTinh.Enabled = false;
this.cbbNgaySinh.Enabled = false;
this.txtDiaChi.Enabled = false;
this.txtSDT.Enabled = false;
this.cbbNgayVL.Enabled = false;
this.txtLuongCB.Enabled = false;
this.txtDiaChi.ResetText();
this.txtHoTen.ResetText();
this.txtLuongCB.ResetText();
this.txtMaNV.ResetText();
this.cbbNgaySinh.ResetText();
this.cbbNgayVL.ResetText();
this.cbbGioiTinh.ResetText();
this.txtSDT.ResetText();
}
