protected void UpdateQuantityBtn_Click(object sender, EventArgs e)
{
int rowsCount = grid.Rows.Count;
int newQuantity;
string productID;
int prodID;
GridViewRow gridRow;
TextBox qtyTextBox;
bool success = true;
for (int i = 0; i < rowsCount; i++)
{
gridRow = grid.Rows[i];
productID = grid.DataKeys[i].Value.ToString();
qtyTextBox = (TextBox)gridRow.FindControl("EditQty");
if (Int32.TryParse(qtyTextBox.Text, out newQuantity))
{
success = success && ShoppingCartAccess.UpdateItem(productID, newQuantity);
}
else
{
success = false;
}
}
statusLabel.Text =
success ? "Your cart was successfully updated." : "Update Failed, Please check your cart.";
PopulateControls();
}
protected void AddToCart_Button_Click(object sender, EventArgs e)
{
string prodID = Request.QueryString["ProductID"];
string cartID;
HttpContext context = HttpContext.Current;
if (context.Request.Cookies["NT_CartID"] != null)
{
cartID = context.Request.Cookies["NT_CartID"].Value;
}
else
{
cartID = Guid.NewGuid().ToString();
HttpCookie cookie = new HttpCookie("NT_CartID", cartID);
DateTime currentDate = DateTime.Now;
TimeSpan timeSpan = new TimeSpan(10, 0, 0);
DateTime experiationDate = currentDate.Add(timeSpan);
cookie.Expires = experiationDate;
context.Response.Cookies.Add(cookie);
}
ShoppingCartAccess.AddItem(cartID, prodID);
}
protected void PopulateControls()
{
DataTable dt = ShoppingCartAccess.GetCartItems();
if (dt.Rows.Count > 0)
{
Label1.Text = "These are the items in your cart: ";
grid.DataSource = dt;
grid.DataBind();
decimal amount = ShoppingCartAccess.GetCartTotal();
cartTotal.Text = String.Format("{0:c}", amount);
UpdateQuantityBtn.Enabled = true;
}
else
{
Label1.Text = "These are no items in your cart ";
grid.Visible = false;
grid.DataBind();
cartTotal.Text = String.Format("{0:c}", 0);
UpdateQuantityBtn.Enabled = false;
}
}
