private void Hh_SoLuong_KeyPressed(object sender, EventArgs e)
{
tong = 0;
for (int i = 0; i < pnlMatHang.Controls.Count; i++)
{
if (pnlMatHang.Controls[i] is HangHoaControl)
{
HangHoaControl hh = pnlMatHang.Controls[i] as HangHoaControl;
if (hh.ChkLucChon.Checked && hh.TxtSoLuong.Text != "")
{
tong += (decimal)(int.Parse(hh.TxtSoLuong.Text.Replace(",", "")) * hh.DonGia);
}
}
}
txtThanhTien.Text = tong != 0 ? XuLyDuLieu.ChuanHoaTien(tong) + " VND" : "";
}
private void Hh_Chk_LuaChon_CheckChanged(object sender, EventArgs e)
{
HangHoaControl HangHoa = sender as HangHoaControl;
if (HangHoa.ChkLucChon.Checked)
{
if (HangHoa.TxtSoLuong.Text != "")
{
tong += (decimal)(int.Parse(HangHoa.TxtSoLuong.Text.Replace(",", "")) * HangHoa.DonGia);
}
}
else
{
if (HangHoa.TxtSoLuong.Text != "")
{
tong -= (decimal)(int.Parse(HangHoa.TxtSoLuong.Text.Replace(",", "")) * HangHoa.DonGia);
}
}
txtThanhTien.Text = tong != 0 ? XuLyDuLieu.ChuanHoaTien(tong) + " VND" : "";
}
private void frmMain_Load(object sender, EventArgs e)
{
listMatHang = new List <MatHang>();
StreamReader r;
try
{
r = new StreamReader("Mathang.txt");
}
catch (FileNotFoundException)
{
MessageBox.Show("Không tìm thấy file Mặt hàng.txt", "File not found", MessageBoxButtons.OK, MessageBoxIcon.Stop);
return;
}
//Đọc mặt hàng vào class
while (!r.EndOfStream)
{
MatHang mh = new MatHang(r.ReadLine());
if (mh.TenMatHang != "")
{
listMatHang.Add(mh);
}
}
//Đọc class vào control
for (int i = 0; i < listMatHang.Count; i++)
{
HangHoaControl hh = new HangHoaControl(listMatHang[i].TenMatHang, listMatHang[i].DonGia);
hh.Location = new Point(5, (hh.Height + 2) * i);
hh.FocusSoLuongHang += Hh_FocusSoLuongHang;
hh.SoLuong_Changed += Hh_SoLuong_KeyPressed;
hh.Chk_LuaChon_CheckChanged += Hh_Chk_LuaChon_CheckChanged;
//MessageBox.Show(hh.DonGia.ToString());
pnlMatHang.Controls.Add(hh);
}
}
