public static bool addnewHoaDon(QuanLyHomestayEntities db, HOADON hd)
{
if (hd.NgayDen == null)
{
return(false);
}
else if (hd.NgayDen < DateTime.Today)
{
return(false);
}
else if (hd.NgayDen > hd.NgayDi)
{
return(false);
}
else if (hd.NgayDi == null)
{
return(false);
}
else if (hd.MaLoaiPhong == null)
{
return(false);
}
else if (hd.MaHoaDon == null)
{
return(false);
}
else
{
db.HOADONs.Add(hd);
db.SaveChanges();
return(true);
}
}
public static bool deletePhong(QuanLyHomestayEntities db, HOADON hd)
{
db = new QuanLyHomestayEntities();
db.HOADONs.Attach(hd);
db.HOADONs.Remove(hd);
db.SaveChanges();
return(true);
}
private void btnSearch_Click(object sender, EventArgs e)
{
HOADON hd = (from i in db.HOADONs where i.MaHoaDon == txtFind.Text select i).FirstOrDefault();
Confirm fm = new Confirm(hd, "edit");
if (fm.ShowDialog() == DialogResult.OK)
{
}
}
private void btnDatPhong_Click(object sender, EventArgs e)
{
HOADON hd = Picked(comboBox2.SelectedValue.ToString(), dateTimePicker1.Value, dateTimePicker2.Value);
Confirm fm = new Confirm(hd, "add");
if (dangnhap)
{
if (fm.ShowDialog() == DialogResult.OK)
{
}
}
else
{
MessageBox.Show("Yêu cầu đăng nhập.", "Cảnh báo!!!", MessageBoxButtons.OK);
}
}
private HOADON Picked(string MaLoaiPhong, DateTime NgayDen, DateTime NgayDi)
{
int maso = (from i in db.HOADONs select i).Count();
HOADON hd = new HOADON();
hd.NgayDen = NgayDen;
hd.NgayDi = NgayDi;
hd.SoTienDatTruoc = 0;
PHONG p = (from i in db.PHONGs where MaLoaiPhong == i.MaLoaiPhong select i).FirstOrDefault();
hd.GiaTien = p.GiaPhong.ToString();
hd.MaLoaiPhong = MaLoaiPhong;
hd.DonVi = "VND";
hd.MaHoaDon = RandomString(5) + MaLoaiPhong;
hd.NgayThanhToan = NgayDi;
//hd.StringCode = RandomString(8);
return(hd);
}
public Confirm(HOADON obj, string status)
{
InitializeComponent();
db = new QuanLyHomestayEntities();
lOAIPHONGBindingSource.DataSource = db.LOAIPHONGs.ToList();
if (status.Equals("add"))
{
bindingSource1.DataSource = obj;
hd = obj;
LOAIPHONG p = (from i in db.LOAIPHONGs where i.MaLoaiPhong == obj.MaLoaiPhong select i).FirstOrDefault();
textBox1.Text = p.TenLoaiPhong;
this.status = status;
}
else if (status.Equals("edit"))
{
bindingSource1.DataSource = obj;
hd = obj;
db.HOADONs.Attach(hd);
unlock();
this.status = status;
}
}
