Vb.net Billing Software Source Code Fixed -

The Secret Weapon for Freelancers: Why You Should Build Your Billing System with VB.NET Source Code

Are you tired of the monthly subscription fees of QuickBooks? Frustrated that your current invoicing software doesn’t quite fit your specific business workflow?

Private Sub GenerateInvoiceNumber() currentInvoiceNumber = "INV-" & DateTime.Now.ToString("yyyyMMdd") & "-" & DateTime.Now.ToString("HHmmss") txtInvoiceNo.Text = currentInvoiceNumber End Sub

-- Customers Table CREATE TABLE Customers ( CustomerID INT PRIMARY KEY IDENTITY(1,1), CustomerName NVARCHAR(100) NOT NULL, PhoneNumber NVARCHAR(15), Email NVARCHAR(100), Address NVARCHAR(255), CreatedDate DATETIME DEFAULT GETDATE() ); vb.net billing software source code

Imports System.IO

-- Product Master
CREATE TABLE tbl_Product (
    ProductID INT PRIMARY KEY IDENTITY(1,1),
    ProductCode NVARCHAR(50) UNIQUE,
    ProductName NVARCHAR(200),
    UnitPrice DECIMAL(18,2),
    GST_Percent DECIMAL(5,2),  -- 5, 12, 18, 28
    StockQuantity INT DEFAULT 0,
    ReorderLevel INT DEFAULT 5
);
Dim query As String = "SELECT * FROM Invoices WHERE InvoiceID = " & txtInvoiceID.Text

-- Invoice Details (Line Items)
CREATE TABLE tbl_InvoiceDetails (
DetailID INT PRIMARY KEY IDENTITY(1,1),
InvoiceNo INT FOREIGN KEY REFERENCES tbl_Invoice(InvoiceNo),
ProductID INT FOREIGN KEY REFERENCES tbl_Product(ProductID),
Quantity INT,
Price DECIMAL(18,2),
GST_Percent DECIMAL(5,2),
LineTotal DECIMAL(18,2)
);
 The Secret Weapon for Freelancers: Why You Should