//bæti við í körfu
public bool AddToCart(int id, string userId, int cartId)
{
var itemincart = (from it in _db.BooksInCarts
where it.UserId == userId && id == it.BookId && cartId == it.OrderId
select new BooksInCart
{
Id = it.Id,
BookId = id,
Quantity = it.Quantity,
OrderId = it.Id,
UserId = it.UserId,
}).FirstOrDefault();
if (itemincart == null)
{
//býr til nýjan hlut ef bókin er ekki í körfu
itemincart = new BooksInCart
{
BookId = id,
Quantity = 1,
OrderId = cartId,
UserId = userId,
};
_db.BooksInCarts.Add(itemincart);
}
else
{
//ef bókin er þegar til
itemincart.Quantity++;
_db.BooksInCarts.Update(itemincart);
}
//cartId.TotalPrice += itemincart.Price;
_db.SaveChanges();
return(true);
}
protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "AddToCart")
{
int RowClicked = Convert.ToInt32(e.CommandArgument);
int bookid = Convert.ToInt32(GridView1.DataKeys[RowClicked].Value);
List <int> BooksInCart = (List <int>)Session["Cart"];
if (BooksInCart == null)
{
BooksInCart = new List <int>();
}
BooksInCart.Add(bookid);
Session["Cart"] = BooksInCart;
}
}
protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
{
//the e. command name calls the function of the button and store it in the cart session in the list array
if (e.CommandName == "AddToCart")
{
int RowClicked = Convert.ToInt32(e.CommandArgument);
int bookid = Convert.ToInt32(GridView1.DataKeys[RowClicked].Value);
//list array to store the values of the selected column into the session array
List <int> BooksInCart = (List <int>)Session["Cart"];
if (BooksInCart == null)
{
BooksInCart = new List <int>();
}
BooksInCart.Add(bookid);
Session["Cart"] = BooksInCart;
}
}
