public void LoadBillList()
{
DateTime now = DateTime.Now;
var startDate = new DateTime(now.Year, now.Month, 1);
dtpFromDate.Value = startDate;
dtgBill.DataSource = SavedBillBusiness.GetListSavedBill(startDate, now);
}
private void btnAnalyze_Click(object sender, EventArgs e)
{
Food food = (Food)cboFoodName.SelectedItem;
DateTime fromDate = dtpFromDate.Value;
DateTime toDate = dtpToDate.Value;
dtgBill.DataSource = SavedBillBusiness.GetListSavedBillFromFoodName(fromDate, toDate, food.Name);
List <SavedBill> lstSavedBill = SavedBillBusiness.GetListSavedBillFromFoodName(fromDate, toDate, food.Name);
int count = 0;
double totalPrice = 0;
foreach (SavedBill item in lstSavedBill)
{
count += item.Count;
totalPrice += item.TotalPrice;
}
txtFoodCount.Text = count.ToString();
txtTotalMoney.Text = totalPrice.ToString();
}
