protected void Page_Load(object sender, EventArgs e)
{
if (Session["isLogin"] == null)
{
Response.Redirect("Login.aspx");
}
gv_listofRestaurant.Visible = false;
gv_listOfFood.Visible = false;
btnBack.Visible = false;
alertFailure.Visible = false;
alertSuccess.Visible = false;
OrderItemListBLL orderItemListBLL = new OrderItemListBLL();
if (Session["generatedId"] == null)
{
string transactionId = GenerateRandomString();
int result = orderItemListBLL.DoCheckIfTransactionIDExists(transactionId);
while (result > 0)
{
transactionId = GenerateRandomString();
result = orderItemListBLL.DoCheckIfTransactionIDExists(transactionId);
}
Session["generatedId"] = transactionId;
}
else
{
Restaurant restaurant = orderItemListBLL.DoCheckOrderLineItemForExistingRestaurant((Session["generatedId"].ToString()));
if (restaurant != null)
{
btnSearch.Enabled = false;
btnBack.Enabled = false;
FoodItemBLL foodItemBLL = new FoodItemBLL();
DataTable dt = new DataTable();
dt = foodItemBLL.DoRetrieveAllFoodItemByRestId(restaurant.RestId);
if (dt != null)
{
lblRestName.Text = restaurant.RestName;
lblRestAddress.Text = restaurant.RestAddress;
gv_listOfFood.DataSource = dt;
gv_listOfFood.DataBind();
gv_listOfFood.Visible = true;
}
else
{
alertFailure.Visible = true;
lblErrorRetrieve.Text = "Error in retrieving food item list";
}
}
}
}
protected void btnCheckout_Click(object sender, EventArgs e)
{
OrderItemListBLL orderItemListBLL = new OrderItemListBLL();
Restaurant restaurant = orderItemListBLL.DoCheckOrderLineItemForExistingRestaurant(Session["generatedId"].ToString());
double totalAmt = double.Parse(lblTotalAmt.Text);
if (totalAmt >= restaurant.MinAmnt)
{
Response.Redirect("UserCheckout.aspx");
}
else
{
alertFailure.Visible = true;
lblFailure.Text = "Your order does not exceed the minimum amount";
}
}