protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
// Fetch cart items from DB
//using (CartRepository _repository = new CartRepository())
CartItem _repository = new CartItem();
{
List <CartItemEntity> cartItems = _repository.GetCartItems();
// Calculate total amount
double totalAmount = _repository.GetTotal();
// Calculate total quantity
double totalQuantity = _repository.GetCount();
// Bind cart items to Repeater control
CartItemsRepeater.DataSource = cartItems;
CartItemsRepeater.DataBind();
// Set the footer part (total)
LblSubQuantity.Text = totalQuantity > 1 ? totalQuantity + " items" : totalQuantity + " item";
LblSubAmount.Text = totalAmount.ToString();
}
}
}
protected void BtnUpdate_Click(object sender, EventArgs e)
{
// Get the clicked button
Button btn = sender as Button;
// Get product Id from command argument
int productId = int.Parse(btn.CommandArgument);
if (btn != null)
{
// Get the item of reperter control
RepeaterItem rptItem = btn.Parent as RepeaterItem;
if (rptItem != null)
{
// Fetch data - quantity
TextBox tbQuantity = rptItem.FindControl("TbQuantity") as TextBox;
int quantity = int.Parse(tbQuantity.Text);
// Set the item to invisible when the quantity was set to 0
if (quantity == 0)
{
rptItem.Visible = false;
}
// Fetch data - price
Label lblPrice = rptItem.FindControl("LblPrice") as Label;
double price = double.Parse(lblPrice.Text);
// Calculate the total
double total = price * quantity;
// Fetch the total Label
Label lblTotal = rptItem.FindControl("LblTotal") as Label;
// Set the total to the label
lblTotal.Text = total.ToString();
//using (CartRepository _repository = new CartRepository())
CartItem _repository = new CartItem();
{
// Update quantity in the cart
_repository.UpdateCart(productId, quantity);
// Re-calculate the total, quanity & amount
double totalAmount = _repository.GetTotal();
double totalQuantity = _repository.GetCount();
// Set the toal amount
LblSubQuantity.Text = totalQuantity > 1 ? totalQuantity + " items" : totalQuantity + " item";
LblSubAmount.Text = totalAmount.ToString();
}
}
}
}
protected void Page_PreRender(object sender, EventArgs e)
{
//using (CartRepository _repository = new CartRepository())
CartItem _repository = new CartItem();
{
// Fetch the total quantity
double totalQuantity = _repository.GetCount();
LblQuanity.Text = string.Format("({0})", totalQuantity);
}
}
