Vb.net Billing Software Source Code -

or Microsoft Reporting Services (for generating invoices) 2. Database Schema (SQL Server)

CREATE TABLE Products ( ProductID INT PRIMARY KEY IDENTITY, PName VARCHAR(100), Price DECIMAL(18, 2), Stock INT ); CREATE TABLE Invoices ( InvoiceID INT PRIMARY KEY IDENTITY, CustomerName VARCHAR(100), InvoiceDate DATE, TotalAmount DECIMAL(18, 2) ); Use code with caution. 3. Setting up the Connection (Connection Class) vb.net billing software source code

Use libraries like iTextSharp to export the DataGridView content into a PDF invoice. or Microsoft Reporting Services (for generating invoices) 2

Create a class named dbConfig.vb to manage your database connection string globally. Setting up the Connection (Connection Class) Use libraries

Private Sub btnSaveInvoice_Click(sender As Object, e As EventArgs) Handles btnSaveInvoice.Click Try Dim db As New dbConfig() db.OpenConnection() Dim cmd As New SqlCommand("INSERT INTO Invoices (CustomerName, InvoiceDate, TotalAmount) VALUES (@name, @date, @total)", db.conn) cmd.Parameters.AddWithValue("@name", txtCustomerName.Text) cmd.Parameters.AddWithValue("@date", DateTime.Now) cmd.Parameters.AddWithValue("@total", CDec(lblGrandTotal.Text)) cmd.ExecuteNonQuery() MsgBox("Invoice Saved Successfully!", MsgBoxStyle.Information) db.CloseConnection() Catch ex As Exception MsgBox(ex.Message) End Try End Sub Use code with caution. 7. Advanced Features to Add

Creating your own billing software in VB.NET is a classic project for developers looking to master database management and CRUD (Create, Read, Update, Delete) operations. Using Visual Studio and SQL Server, you can build a robust system that handles everything from inventory to professional invoice generation.

VB.NET remains a powerful tool for rapid application development (RAD), especially for small business tools. By combining a clean UI with a structured SQL backend, you can create a reliable billing system tailored to specific needs.