discountAmt = subtotal * (Convert.ToDecimal(txtDiscountPercent.Text) / 100) grandTotal = subtotal - discountAmt + totalTax
: For a more robust enterprise-level tool, this source code supports SQL Server and includes advanced processing power for high-volume transactions. Key Features for Your Project Report vb.net billing software source code
: This project is ideal for students or small retailers. It includes a comprehensive project report featuring UML diagrams (Class, Use Case, ER diagrams) and Data Flow Diagrams . discountAmt = subtotal * (Convert
The "deep story" of the source code begins when the user clicks the "Total" button. This is Event-Driven Programming The "deep story" of the source code begins
+------------------+ +------------------+ | Customers | | Products | +------------------+ +------------------+ | CustomerID (PK) | | ProductID (PK) | | CustomerName | | ProductName | | Phone | | Price | | TotalBalance | | StockQuantity | +--------+---------+ +--------+---------+ | | | 1 | 1 | | | 0..* | 0..* +--------v---------+ +--------v---------+ | Invoices | | InvoiceDetails | +------------------+ +------------------+ | InvoiceNo (PK) | 1 0..* | ID (PK) | | InvoiceDate |---------------> InvoiceNo (FK) | | CustomerID (FK) | | ProductID (FK) | | GrossAmount | | Quantity | | TaxAmount | | UnitPrice | | NetAmount | | TotalPrice | +------------------+ +------------------+ SQL Schema Definition