public ActionResult ThemItemGioHang(int IDSanPham, int SL, string strUrl)
{
if (Session["Login"] == null)
{
return(RedirectToAction("DangNhap", "DangNhap"));
}
else
{
SanPham sp = db.SanPhams.SingleOrDefault(s => s.IDSanPham == IDSanPham);
if (sp == null)
{
Response.StatusCode = 404;
return(null);
}
List <Item_GioHang> listGioHang = LayGioHang();
Item_GioHang item = listGioHang.Find(i => i.MaSP == IDSanPham);
if (item == null)
{
item = new Item_GioHang(IDSanPham, SL);
listGioHang.Add(item);
return(Redirect(strUrl));
}
else
{
item.SoLuong = item.SoLuong + SL;
return(Redirect(strUrl));
}
}
}
public ActionResult XoaItemGioHang(int IDSanPham)
{
SanPham sp = db.SanPhams.SingleOrDefault(s => s.IDSanPham == IDSanPham);
if (sp == null)
{
Response.StatusCode = 404;
return(null);
}
List <Item_GioHang> listGioHang = LayGioHang();
Item_GioHang item = listGioHang.Find(i => i.MaSP == IDSanPham);
if (item != null)
{
listGioHang.RemoveAll(s => s.MaSP == IDSanPham);
}
return(RedirectToAction("GioHang"));
}
public ActionResult CapNhatItemGioHang(int IDSanPham, int SL)
{
SanPham sp = db.SanPhams.SingleOrDefault(s => s.IDSanPham == IDSanPham);
if (sp == null)
{
Response.StatusCode = 404;
return(null);
}
List <Item_GioHang> listGioHang = LayGioHang();
Item_GioHang item = listGioHang.Find(i => i.MaSP == IDSanPham);
if (item != null)
{
item.SoLuong = SL;
}
return(RedirectToAction("GioHang", "GioHang"));
}
