private void MainForm_Load(object sender, EventArgs e)
{
try
{
//Disable all label for result
labelTitleResult.Visible = false;
labelGrandTotal.Visible = false;
labelTotal.Visible = false;
labelGST.Visible = false;
labelPST.Visible = false;
//binding data from database to Listbox
invoiceVM = new InvoiceViewModel(InvoiveRepository.GetInvoice());
setDataBindings();
}
catch (SqlException ex)
{
MessageBox.Show(ex.Message, "DB Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Processing Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void buttonSave_Click(object sender, EventArgs e)
{
//save invoice from textbox changed
invoice = invoiceVM.SaveInvoice(selectedIndex);
//Calculate SubTotal
decimal subTotal = invoiceVM.Invoices.subTotal();
decimal gstTax = 0.00m;
decimal gstTotal = 0.00m;
decimal pstTax = 0.00m;
labelTotal.Text = subTotal.ToString();
//Get Tax from database
taxesVM = new TaxViewModel(InvoiveRepository.GetTaxRate());
for (int i = 0; i < taxesVM.Taxes.Count; i++)
{
if (taxesVM.Taxes[i].Taxcode == "GST")
{
gstTax = taxesVM.Taxes[i].TaxRate;
gstTotal = (gstTax * subTotal) / 100;
labelGST.Text = gstTotal.ToString("#.##");
}
if (taxesVM.Taxes[i].Taxcode == "BCPST")
{
if (checkBoxTaxable.Checked)
{
pstTax = (taxesVM.Taxes[i].TaxRate * subTotal) / 100;
labelPST.Text = pstTax.ToString("#.##");
}
else
{
pstTax = (gstTax * subTotal) / 100;
labelPST.Text = pstTax.ToString("#.##");
}
}
}
//Calculate GrandTotal
labelGrandTotal.Text = (subTotal + gstTax + pstTax).ToString("#.##");
//Show all result label
labelTitleResult.Visible = true;
labelTotal.Visible = true;
labelGrandTotal.Visible = true;
labelPST.Visible = true;
labelGST.Visible = true;
}
