Vb.net Billing Software Source Code: =link=

Private Sub PrintInvoice() Dim pd As New Printing.PrintDocument() AddHandler pd.PrintPage, AddressOf pd_PrintPage pd.Print() End Sub

: To store ProductID , ProductName , Price , and StockQuantity . vb.net billing software source code

' 2. Check Stock If prod.StockQuantity < quantity Then MessageBox.Show("Insufficient stock.") Exit Sub End If Private Sub PrintInvoice() Dim pd As New Printing

Private Sub btnAddItem_Click(sender As Object, e As EventArgs) Handles btnAddItem.Click If cboProduct.SelectedValue Is Nothing Then Exit Sub Dim productID As Integer = CInt(cboProduct.SelectedValue) Dim productName As String = cboProduct.Text Dim qty As Integer = CInt(nudQuantity.Value) Dim price As Decimal = GetProductPrice(productID) Dim total As Decimal = price * qty vb.net billing software source code

Once you download a base project, you'll likely need modifications:

' Calculate Tax (Example: 10% Tax) Dim taxRate As Decimal = GetTaxRateFromSettings() ' Returns 0.10 Dim taxAmount As Decimal = subTotal * taxRate Dim grandTotal As Decimal = subTotal + taxAmount