Vb.net Billing Software Source Code [verified] Jun 2026

' A typical snippet in the "C_Total" class Public Function GetAmount(price As Double, quantity As Integer) As Double Dim subtotal As Double = price * quantity Dim tax As Double = subtotal * 0.15 ' The classic 15% VAT logic Return subtotal + tax End Function Use code with caution. Copied to clipboard

| Module | Description | |--------|-------------| | | Product, Customer, User, Tax (GST/VAT), Company Profile | | Transaction (Billing) | Create/Edit/Print Invoice, Add/Remove Items, Auto-calc totals | | Inventory | Stock-in, Stock-out, Low stock alerts | | Reports | Daily Sales, GST Summary, Customer Ledger, Profit/Loss | | Backup & Security | Database backup, User login, Role-based access | vb.net billing software source code

Encapsulate all calculations here.

-- Products Table CREATE TABLE tbl_Products ( ProductID INT PRIMARY KEY IDENTITY(1,1), ProductName NVARCHAR(100) NOT NULL, HSNCode NVARCHAR(20), PurchasePrice DECIMAL(18,2), SellingPrice DECIMAL(18,2), GST_Percent INT, -- e.g., 5, 12, 18, 28 StockQuantity INT DEFAULT 0 ); ' A typical snippet in the "C_Total" class