bool RemoveShoppingCart(string itemID)
{
if (Session["ShoppingCart"] == null)
{
Literal1.Text = "Sorry, Can not remove item in your shopping cart";
}
else
{
DataTable dataTable = (DataTable)Session["ShoppingCart"];
Common common = new Common();
int indexOfRow = common.IsExistItemInShoppingCart(itemID, dataTable);
if (indexOfRow != -1)
{
dataTable.Rows.RemoveAt(indexOfRow);
Session["ShoppingCart"] = dataTable;
GridItemCart.DataSource = dataTable;
GridItemCart.DataBind();
if (dataTable.Rows.Count == 0)
{
Session.Remove("ShoppingCart");
}
return(true);
}
}
return(false);
}
void UpdateShoppingCart(string itemID, string itemName, String itemPrice, string unitPrice, String quantity, int index)
{
if (Session["ShoppingCart"] == null)
{
Literal1.Text = "Sorry, Can not Update item in your shopping cart";
}
else
{
DataTable dataTable = (DataTable)Session["ShoppingCart"];
dataTable.Rows.RemoveAt(index);
//xoa cai bang kia và add 1 round moi theo cai gia tri nhap
DataRow dataRow = dataTable.NewRow();
dataRow["ID"] = itemID;
dataRow["Name"] = itemName;
dataRow["Quantity"] = quantity;
dataRow["Price"] = itemPrice;
dataRow["UnitPrice"] = unitPrice;
dataTable.Rows.Add(dataRow);
// add vô session
Session["ShoppingCart"] = dataTable;
GridItemCart.DataSource = dataTable;
GridItemCart.DataBind();
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
PanelErrMsgg.Visible = false;
// If the cart does not exist yet
if (Session["ShoppingCart"] == null)
{
this.CartPanel.Visible = false;
this.EmptyPanel.Visible = true;
PanelMsgg.Visible = false;
}
// If the cart exists
else
{
PanelMsgg.Visible = false;
this.CartPanel.Visible = true;
this.EmptyPanel.Visible = false;
DataTable dataTable = (DataTable)Session["ShoppingCart"];
GridItemCart.DataSource = dataTable;
GridItemCart.DataBind();
}
if (Session["AccountID"] != null)
{
DiscountPanel.Visible = true;
PleaseLoginPanel.Visible = false;
SqlDataSource2.SelectCommand += "and (ISNULL((SELECT AccountID FROM Booking where DiscountID = D.ID AND StatusID <> 3), -1)) <> " + Session["AccountID"];
DataView view = (DataView)SqlDataSource2.Select(DataSourceSelectArguments.Empty);
DataTable dt = view.ToTable();
DataRowCollection rows = dt.Rows;
foreach (DataRow row in rows)
{
string code = row["Code"].ToString();
string value = row["Value"].ToString();
string id = row["ID"].ToString();
DropdownListDiscount.Items.Add(new ListItem(code + " - " + value + " (%)", code));
}
}
else
{
DiscountPanel.Visible = false;
PleaseLoginPanel.Visible = true;
}
CalculatePrice();
}
}