private void btnCalc_Click(object sender, EventArgs e)
{
decimal temp;
temp = Krusty.CalculateSubTotal(kCart);
lblSubtotal.Text = temp.ToString("C");
temp = Krusty.CalculateTax(kCart);
lblTax.Text = temp.ToString("C");
totalAmtDue = Krusty.CalculateTotal(kCart);
lblTotal.Text = totalAmtDue.ToString("C");
}
private void ProcessInputLine(string kInItem, int kIndex)
{
//split the line into our fields
string[] fields = kInItem.Split(',');
//get each field from the split array
//convert as necessary
int itemNo = Convert.ToInt32(fields[0]);
string prodName = fields[1];
int qty = Convert.ToInt32(fields[2]);
decimal price = Convert.ToDecimal(fields[3]);
//create a Krusty inventory object with the data
kItems[kIndex] = new Krusty(itemNo, prodName, qty, price);
//add the Krusty inventory object to the list box on our form
lstBxInventory.Items.Add(kItems[kIndex]);
}
}//btnAdd
private void UpdateInventory(int index, int numWanted)
{
//declare our variables
int itemNo,
qty;
string prodName;
decimal price;
//update the quantity of the inventory item
kItems[index].Qty = kItems[index].Qty - numWanted;
itemNo = kItems[index].ItemNo;
prodName = kItems[index].ProdName;
price = kItems[index].Price;
for (int i = 0; i < numWanted; i++)
{
kCart[lastCartItem] = new Krusty(itemNo, prodName,
1, price);
lstBxCart.Items.Add(kCart[lastCartItem]);
//update item number for next item
lastCartItem++;
}
}