private void LoadCart()
{
List<Cart> carts = (List<Cart>)Session["Carts"];
Cart cart = new Cart(carts);
grvViewCart.DataKeyNames = new string[] { "ProductID" };
grvViewCart.DataSource = carts;
grvViewCart.DataBind();
cart = new Cart(carts);
lbTotalQuantity.Text = ToSQL.EmptyNull(cart.TotalQuantity);
lbTotalPrice.Text = ToSQL.EmptyNull(cart.TotalPrice.ToString("$#,###.##"));
}
protected void rptProducts_ItemCommand(object source, RepeaterCommandEventArgs e)
{
if (e.CommandName == "Add")
{
HiddenField hdf = (HiddenField)e.Item.FindControl("hdfProductId");
Product product = new ProductRepo().GetById(ToSQL.SQLToInt(hdf.Value));
if (product != null)
{
List<Cart> carts = (List<Cart>)Session["Carts"];
Cart cart = new Cart(carts);
cart = cart.ConverProductToCart(product);
carts = cart.Add(cart);
Session["Carts"] = carts;
Response.Redirect("ViewCart.aspx");
}
}
else if (e.CommandName == "AddCompare")
{
CompareAndWish list = (CompareAndWish)Session["Compare"];
if (list == null)
list = new CompareAndWish();
Product p = (new ProductRepo()).GetById(ToSQL.SQLToInt(e.CommandArgument));
if (p != null && list.Products.Count <= 3)
{
if (list.Add(p))
Response.Write("<script type='text/javascript'>alert('Added!s');</script>");
else
Response.Write("<script type='text/javascript'>alert('Product is exist in list compare');</script>");
}
else
{
Response.Write("<script type='text/javascript'>alert('You should select between 1 and 4 item!');</script>");
}
UpdateCompareList(list.Products);
Session["Compare"] = list;
}
else if (e.CommandName == "AddWishList")
{
CompareAndWish list = (CompareAndWish)Session["WishList"];
if (list == null)
list = new CompareAndWish();
Product p = (new ProductRepo()).GetById(ToSQL.SQLToInt(e.CommandArgument));
if (p != null)
{
if (!list.Add(p))
Response.Write("<script type='text/javascript'>alert('Product is exist in list compare');</script>");
}
UpdateWishList(list.Products);
Session["WishList"] = list;
}
}
protected void grvViewCart_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
//TextBox txtQuantity = (TextBox)grvViewCart.Rows[e.RowIndex].Cells[1].Controls[0];
TextBox txtQuantity = (TextBox)grvViewCart.Rows[e.RowIndex].Cells[1].FindControl("txtQuantity");
List<Cart> carts = (List<Cart>)Session["Carts"];
int ProductID = ToSQL.SQLToInt(grvViewCart.DataKeys[e.RowIndex]["ProductID"]);
Cart cart = new Cart(carts);
if (ToSQL.SQLToInt(txtQuantity.Text) > 0)
carts = cart.Update(ProductID, ToSQL.SQLToInt(txtQuantity.Text));
Session["Carts"] = carts;
grvViewCart.EditIndex = -1;
LoadCart();
}
protected void grvViewCart_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "Remove")
{
List<Cart> carts = (List<Cart>)Session["Carts"];
for (int i = 0; i < grvViewCart.Rows.Count; i++)
{
CheckBox chkRemove = (CheckBox)grvViewCart.Rows[i].FindControl("chkRemove");
if (chkRemove.Checked)
{
int ProductID = (int)grvViewCart.DataKeys[i]["ProductID"];
Cart cart = new Cart(carts);
carts = cart.Remove(ProductID);
}
}
Session["Carts"] = carts;
LoadCart();
}
}
private void Init()
{
List<Cart> carts = new List<Cart>();
Cart cart = new Cart(carts);
cart.ProductID = 1;
cart.ProductName = "Dell";
cart.Price = 4.36M;
carts = cart.Add(cart);
cart = new Cart(carts);
cart.ProductID = 2;
cart.ProductName = "Asus";
cart.Price = 1.36M;
carts = cart.Add(cart);
cart = new Cart(carts);
cart.ProductID = 3;
cart.ProductName = "Acer";
cart.Price = 2.36M;
carts = cart.Add(cart);
Session["Carts"] = carts;
}
protected void lbtnAddCart_Click(object sender, EventArgs e)
{
LinkButton lbtn = (LinkButton)sender;
Product product = new ProductRepo().GetById(ToSQL.SQLToInt(lbtn.CommandArgument));
if (product != null)
{
List<Cart> carts = (List<Cart>)Session["Carts"];
Cart cart = new Cart(carts);
cart = cart.ConverProductToCart(product);
carts = cart.Add(cart);
Session["Carts"] = carts;
Response.Redirect("ViewCart.aspx");
}
}
private bool AddCart()
{
Product product = new ProductRepo().GetById(ToSQL.SQLToInt(Request.QueryString["ProductId"]));
if (product != null)
{
List<Cart> carts = (List<Cart>)Session["Carts"];
Cart cart = new Cart(carts);
cart = cart.ConverProductToCart(product);
cart.Quantity = ToSQL.SQLToInt(txtQuantity.Text);
carts = cart.Add(cart);
//int Quantity = ToSQL.SQLToInt(txtQuantity.Text) - 1;
//if (Quantity > 0)
//{
// var obj = carts.FirstOrDefault(x => x.ProductID == cart.ProductID);
// if (obj != null) obj.Quantity = obj.Quantity + Quantity;
//}
Session["Carts"] = carts;
return true;
}
return false;
}
public List<Cart> Add(Cart cart)
{
var obj = Carts.FirstOrDefault(x => x.ProductID == cart.ProductID);
if (obj != null) obj.Quantity = obj.Quantity + cart.Quantity;
else Carts.Add(cart);
return Carts;
}