private void btnSua_Click(object sender, EventArgs e) { int MaPX = Convert.ToInt32(txtMaPX.Text); string NgayXuat = dtpNgayXuat.Value.ToString("MM/dd/yyyy"); //string MaKho = txtMakho.Text; int MaNV = Convert.ToInt32(txtMaNV.Text); //KhoHang kho = new KhoHang(MaKho, "", ""); NhanVien NV = new NhanVien(MaNV, "", ""); PhieuXuat phieuxuat = new PhieuXuat(MaPX, NgayXuat, MaNV); PhieuXuatBLL.PhieuXuat_Update(phieuxuat); LoadPhieuXuat(); }