/* Update the shopping cart total when the delete item button is press
or the quantity of the item changes */
public List<CartItem> UpdateCartItems()
{
using (ShoppingCartFunctions usersShoppingCart = new ShoppingCartFunctions())
{
String cartId = usersShoppingCart.GetCartId();
ShoppingCartFunctions.ShoppingCartUpdates[] cartUpdates = new ShoppingCartFunctions.ShoppingCartUpdates[CartList.Rows.Count];
for (int i = 0; i < CartList.Rows.Count; i++)
{
IOrderedDictionary rowValues = new OrderedDictionary();
rowValues = GetValues(CartList.Rows[i]);
cartUpdates[i].ProductId = Convert.ToInt32(rowValues["ProductID"]);
CheckBox cbRemove = new CheckBox();
cbRemove = (CheckBox)CartList.Rows[i].FindControl("Delete");
cartUpdates[i].RemoveItem = cbRemove.Checked;
TextBox quantityTextBox = new TextBox();
quantityTextBox = (TextBox)CartList.Rows[i].FindControl("PurchaseQuantity");
cartUpdates[i].PurchaseQuantity = Convert.ToInt16(quantityTextBox.Text.ToString());
}
usersShoppingCart.UpdateShoppingCartDatabase(cartId, cartUpdates);
CartList.DataBind();
var cartTotal = usersShoppingCart.GetTotal();
var tax = (decimal)0.07 * (cartTotal + (decimal)5.00);
var total = cartTotal + tax;
lbltaxTotal.Text = String.Format("{0:c}", tax);
lblTotal.Text = String.Format("{0:c}", total);
return usersShoppingCart.GetCartItems();
}
}
/* Responsible for the footer row and order summary */
protected void gridViewOrders_RowCreated(object sender, GridViewRowEventArgs e)
{
using (ShoppingCartFunctions usersShoppingCart = new ShoppingCartFunctions())
{
decimal cartTotal = 0;
cartTotal = usersShoppingCart.GetTotal();
if (cartTotal > 0)
{
if (e.Row.RowType == DataControlRowType.Footer)
{
int intNoOfMergeCol = e.Row.Cells.Count - 1;
for (int intCellCol = 1; intCellCol < intNoOfMergeCol; intCellCol++)
{
e.Row.Cells.RemoveAt(1);
}
e.Row.Cells[0].ColumnSpan = intNoOfMergeCol;
e.Row.Cells[0].Text = "SubTotal: ";
e.Row.Cells[0].HorizontalAlign = HorizontalAlign.Right;
e.Row.Cells[1].Font.Bold = true;
e.Row.Cells[1].Text = String.Format("{0:c}", cartTotal);
}
}
}
}
/* On page load, if empty, display the "please add an item message
Otherwise, display the cart totatl with tax and shipping summary */
protected void Page_Load(object sender, EventArgs e)
{
using (ShoppingCartFunctions usersShoppingCart = new ShoppingCartFunctions())
{
decimal cartTotal = 0;
cartTotal = usersShoppingCart.GetTotal();
if (cartTotal > 0)
{
// Display Total.
// tax = 7% of the subtotal + shipping
var tax = (decimal)0.07 * (cartTotal + (decimal)5.00);
var total = cartTotal + tax;
lbltaxTotal.Text = String.Format("{0:c}", tax );
lblTotal.Text = String.Format("{0:c}", total);
}
else
{
LabelShipping.Text = "";
LabelTax.Text = "";
lbltaxTotal.Text = "";
LabelTotalText.Text = "";
lblTotal.Text = "";
ShoppingCartTitle.InnerHtml = "<h2>Please add an item onto the shopping cart.</h2>";
UpdateBtn.Visible = false;
CheckoutBtn.Visible = false;
}
}
}