[patched] | Vbnet+billing+software+source+code

This routine takes inputs from textboxes (Product Name, Price, Quantity) and adds them to a grid.

For robust billing software, a normalized SQL database is essential: Users (UserID, Username, Password, Role) Products (ProductID, ProductName, Price, StockQuantity) Customers (CustomerID, CustomerName, Phone) Invoices (InvoiceID, CustomerID, Date, TotalAmount) vbnet+billing+software+source+code

Public Class frmBilling Dim cartTable As New DataTable() Dim currentGrandTotal As Decimal = 0 Private Sub frmBilling_Load(sender As Object, e As EventArgs) Handles MyBase.Load ' Define cart table columns cartTable.Columns.Add("ProductID", GetType(Integer)) cartTable.Columns.Add("ProductName", GetType(String)) cartTable.Columns.Add("Quantity", GetType(Integer)) cartTable.Columns.Add("Price", GetType(Decimal)) cartTable.Columns.Add("GST_Percent", GetType(Integer)) cartTable.Columns.Add("GST_Amount", GetType(Decimal)) cartTable.Columns.Add("Total", GetType(Decimal)) dgvCart.DataSource = cartTable End Sub This routine takes inputs from textboxes (Product Name,

Implement roles to restrict access to sensitive financial reports. Role) Products (ProductID

Manages information for tracking sales and purchasing.