private void DiscountComboBox_SelectionChanged(object sender, Syncfusion.XForms.ComboBox.SelectionChangedEventArgs e)
{
var discount = vm.SelectedDiscount;
vm.SelectedSaleLine.DiscountId = discount.Id;
if (discount.Discount == "Senior Citizen Discount")
{
decimal price;
decimal discountAmount;
vm.SelectedSaleLine.DiscountRate = discount.DiscountRate;
if (vm.SelectedSaleLine.TaxRate > 0)
{
price = Math.Round(vm.SelectedSaleLine.Price - Math.Round(vm.SelectedSaleLine.Price / (1 + vm.SelectedSaleLine.TaxRate / 100) * (vm.SelectedSaleLine.TaxRate / 100), 2), 2);
}
else
{
price = Math.Round(vm.SelectedSaleLine.Price, 2);
}
discountAmount = Math.Round(price * Math.Round(discount.DiscountRate / 100, 2), 2);
vm.SelectedSaleLine.DiscountAmount = Math.Round(discountAmount, 2);
vm.SelectedSaleLine.NetPrice = Math.Round(vm.SelectedSaleLine.Price, 2) - Math.Round(discountAmount, 2);
vm.SelectedSaleLine.Amount = vm.ComputeAmount();
vm.SelectedSaleLine.TaxAmount = vm.ComputeVatAmount();
}
else
{
if (discount.Discount == "Variable Discount")
{
vm.CanEditDiscount = false;
}
else
{
vm.CanEditDiscount = true;
}
var discountRate = vm.SelectedSaleLine.DiscountRate > 0 ? vm.SelectedSaleLine.DiscountRate : discount.DiscountRate;
vm.SelectedSaleLine.DiscountRate = Math.Round(discountRate, 2);
if (discount.Discount != "Variable Discount")
{
vm.SelectedSaleLine.DiscountAmount = Math.Round(vm.SelectedSaleLine.Price, 2) * Math.Round(discountRate / 100, 2);
}
else
{
vm.SelectedSaleLine.DiscountAmount = vm.SelectedSaleLine.DiscountRate > 0 ? vm.SelectedSaleLine.DiscountAmount : Math.Round(vm.SelectedSaleLine.Price, 2) * Math.Round(discountRate / 100, 2);
}
vm.SelectedSaleLine.NetPrice = Math.Round(vm.SelectedSaleLine.Price, 2) - Math.Round(vm.SelectedSaleLine.DiscountAmount, 2);
vm.SelectedSaleLine.Amount = vm.ComputeAmount();
vm.SelectedSaleLine.TaxAmount = vm.ComputeVatAmount();
}
vm.ExecuteRefreshSelectedSaleLine();
}
