public void UpdateItem(string updateCartID, int updateBookID, int
quantity)
{
using (var _db = new BookShopOnline.Models.BookContext())
{
try
{
var myItem = (from c in _db.ShoppingCartItems
where c.CartId == updateCartID && c.Book.MaSach ==
updateBookID
select c).FirstOrDefault();
if (myItem != null)
{
myItem.Quantity = quantity;
_db.SaveChanges();
}
}
catch (Exception exp)
{
throw new Exception("ERROR: Unable to Update Cart Item - " +
exp.Message.ToString(), exp);
}
}
}
public void RemoveItem(string removeCartID, int removeBookID)
{
using (var _db = new BookShopOnline.Models.BookContext())
{
try
{
var myItem = (from c in _db.ShoppingCartItems
where c.CartId == removeCartID && c.Book.MaSach ==
removeBookID
select c).FirstOrDefault();
if (myItem != null)
{
// Xóa
_db.ShoppingCartItems.Remove(myItem);
_db.SaveChanges();
}
}
catch (Exception exp)
{
throw new Exception("ERROR: Unable to Remove Cart Item - " +
exp.Message.ToString(), exp);
}
}
}