private void txtThanhTien_TextChanged(object sender, EventArgs e)
{
if (txtTienKhachDua.Text != "" && txtThanhTien.Text != "")
{
decimal tienKhachDua = decimal.Parse(txtTienKhachDua.Text.Replace(",", ""));
decimal tienThoiLai = tienKhachDua - tong;
txtTienThoiLai.Text = XuLyDuLieu.ChuanHoaTien(tienThoiLai);
pnlTienThoiLai.Controls.Clear();
listLi = new List <LabelImage>();
int dem = 0;
foreach (int dv in tien)
{
if (tienThoiLai >= dv)
{
int soLuong = (int)(tienThoiLai / dv);
LabelImage Li = new LabelImage(soLuong, dv);
tienThoiLai = tienThoiLai - soLuong * dv;
Li.Location = new Point(0, dem++ *80);
listLi.Add(Li);
pnlTienThoiLai.Controls.Add(Li);
}
}
}
else
{
txtTienThoiLai.Text = "";
}
}
private void txtTienKhachDua_TextChanged(object sender, EventArgs e)
{
if (txtTienKhachDua.TextLength > 3)
{
txtTienKhachDua.Text = XuLyDuLieu.ChuanHoaTien(txtTienKhachDua.Text);
txtTienKhachDua.Select(txtTienKhachDua.TextLength, 0);
}
txtThanhTien_TextChanged(null, null);
}
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" : "";
}
