Vb.net Billing Software Source Code Link

Public Shared Function GetAllProducts() As DataTable Dim dt As New DataTable() Try Dim query As String = "SELECT ProductID, ProductCode, ProductName, Category, UnitPrice, StockQuantity, GSTPercentage FROM Products" DBConnection.OpenConnection() Using adapter As New SqlDataAdapter(query, DBConnection.conn) adapter.Fill(dt) End Using Catch ex As Exception MessageBox.Show("Error: " & ex.Message) Finally DBConnection.CloseConnection() End Try Return dt End Function

<?xml version="1.0" encoding="utf-8"?> <configuration> <connectionStrings> <add name="BillingSystemDB" connectionString="Data Source=localhost;Initial Catalog=BillingSystem;Integrated Security=True" providerName="System.Data.SqlClient"/> </connectionStrings> <startup> <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2"/> </startup> </configuration> vb.net billing software source code

'Assuming GST is calculated on SubTotal (simplified) Dim gstAmount As Decimal = (subTotal * 18) / 100 '18% GST Dim grandTotal As Decimal = subTotal + gstAmount Public Shared Function GetAllProducts() As DataTable Dim dt

Imports System.Windows.Forms

: This GitHub Repository shows how to connect a VB.NET app to a SQLite 3 database. ?xml version="1.0" encoding="utf-8"?&gt