Vbnet+billing+software+source+code -

Building a Simple Billing System in VB.NET: A Step-by-Step Guide

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invoiceContent = sb.ToString()
pd.Print()

✅ Printing & Barcodes – Many examples include direct printer support or barcode generation (e.g., using Graphics.DrawString or free barcode fonts). Building a Simple Billing System in VB

Public Sub CalculateTotal() Dim sum As Double = 0 For i As Integer = 0 To DataGridView1.Rows.Count - 1 sum += Convert.ToDouble(DataGridView1.Rows(i).Cells("Amount").Value) Next txtGrandTotal.Text = sum.ToString("N2") End Sub Use code with caution. Copied to clipboard Database Schema Design ✅ Printing & Barcodes – Many examples include

Private Sub SaveBill()
    Using con As New SqlConnection(connectionString)
        con.Open()
        Dim cmd As New SqlCommand("INSERT INTO Bills (BillNo, CustomerName, BillDate, TotalAmount) VALUES (@bno, @cname, @bdate, @total)", con)
        cmd.Parameters.AddWithValue("@bno", txtBillNo.Text)
        cmd.Parameters.AddWithValue("@cname", txtCustomer.Text)
        cmd.Parameters.AddWithValue("@bdate", DateTimePicker1.Value)
        cmd.Parameters.AddWithValue("@total", lblTotal.Text)
        cmd.ExecuteNonQuery()
        MessageBox.Show("Bill saved successfully!")
    End Using
End Sub