private void btnSave_Click(object sender, EventArgs e)
{
BLPhongThue_Info blPt = new BLPhongThue_Info();
blPt.CapNhatPhongThue_info1(this.txtTenPhong.Text.Trim(), this.cbxTinhTrang.Text.Trim(), ref err);
LoadData();
MessageBox.Show("Đã sửa xong");
}
private void btnThanhToan_Click(object sender, EventArgs e)
{
string TinhTrang = "Off";
BLPhongThue_Info blPt = new BLPhongThue_Info();
blPt.CapNhatPhongThue_info1(this.txtPhong.Text.Trim(), TinhTrang, ref err);
BLPhongThue blPt1 = new BLPhongThue();
blPt1.CapNhatPhongThue1(this.txtPhong.Text.Trim(), TinhTrang, ref err);
BLDuLieu blDL = new BLDuLieu();
blDL.ThemDuLieu(this.txtMaKH.Text.Trim(), this.txtTenKH.Text.Trim(), this.txtCMND.Text.Trim(), this.txtSDT.Text.Trim(),
this.txtGioiTinh.Text.Trim(), this.txtPhong.Text.Trim(), this.txtQuocTich.Text.Trim(),
this.dtpNgayDK.Value, this.dtpNgayDi.Value, Convert.ToInt32(this.txtTienDV.Text.Trim()), Convert.ToInt32(this.txtTienPhong.Text.Trim()), Convert.ToInt32(this.txtTongTien.Text.Trim()), ref err);
FrmHoaDonKH fk = new FrmHoaDonKH();
fk.ShowDialog();
}