"Add to Cart," "Remove Item," and "Generate Bill." 4. Key VB.NET Code Logic Connecting to the Database
Inside your frmBillEntry.vb :
This snippet calculates the total when an item is added to the billing list: vb.net billing software source code
transaction.Commit() MessageBox.Show("Invoice saved successfully! Invoice No: " & txtInvoiceNo.Text) "Add to Cart," "Remove Item," and "Generate Bill
To follow this guide, you should have the following installed: (2019 or later recommended) .NET Framework 4.7.2+ SQL Server Express or Microsoft Access (for the database) "Add to Cart