ByteScout Spreadsheet SDK - VB.NET - Generate Invoice - ByteScout

ByteScout Spreadsheet SDK – VB.NET – Generate Invoice

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How to generate invoice in VB.NET and ByteScout Spreadsheet SDK

This tutorial will show how to generate invoice in VB.NET

We made thousands of pre-made source code pieces for easy implementation in your own programming projects. ByteScout Spreadsheet SDK: the library (SDK) that is capable of writing, reading, modifying and calculating Excel and CSV spreadsheets. Most popular formulas can be calculated and reculculated with Excel installed. You may import or export data to and from CSV, XML, JSON as well as to and from databases, arrays. It can generate invoice in VB.NET.

This code snippet below for ByteScout Spreadsheet SDK works best when you need to quickly generate invoice in your VB.NET application. Follow the instructions from the scratch to work and copy the VB.NET code. This basic programming language sample code for VB.NET will do the whole work for you to generate invoice.

ByteScout Spreadsheet SDK free trial version is available on our website. VB.NET and other programming languages are supported.

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Program.vb
      
Imports System.Drawing Imports Bytescout.Spreadsheet Module Program Sub Main() Try ' STEP-1: Get Invoice Data Dim oInvoiceData = GetInvoiceData() ' STEP-2: Generate Invoice in memory Dim document = _GetSpreadsheet(oInvoiceData) ' Step-3: Export to XLS, XLSX and PDF document.SaveAsXLSX("Invoice.xlsx") document.SaveAsXLS("Invoice.xls") document.SaveAsPDF("Invoice.pdf") ' Open output file Process.Start("Invoice.xlsx") Process.Start("Invoice.pdf") Catch ex As Exception Console.WriteLine(ex.Message) End Try Console.WriteLine("Press enter key to exit...") Console.ReadLine() End Sub ''' <summary> ''' Get Spreadsheet ''' </summary> Private Function _GetSpreadsheet(ByVal oInvoiceData As InvoiceData) As Spreadsheet ' Create new Spreadsheet Dim document As Spreadsheet = New Spreadsheet() document.Workbook.AutoCalculation = True document.Workbook.DefaultFont = New SpreadsheetFont("Arial", 10) ' Add new worksheet Dim Sheet As Worksheet = document.Workbook.Worksheets.Add("Invoice") Dim startRow As Integer = 0 ' 1. Write Company Name Sheet.Cell(startRow, 0).Value = oInvoiceData.CompanyName Sheet.Cell(startRow, 0).Font = New Font("Arial", 15, FontStyle.Bold Or FontStyle.Italic) ' 2. Write Company Address Sheet.Cell((System.Threading.Interlocked.Increment(startRow)), 0).Value = oInvoiceData.CompanyAddress1 Sheet.Cell((System.Threading.Interlocked.Increment(startRow)), 0).Value = oInvoiceData.CompanyAddress2 startRow += 1 ' 3. Write Invoice Info Sheet.Cell((System.Threading.Interlocked.Increment(startRow)), 2).Value = "Invoice No." Sheet.Cell(startRow, 2).Font = New Font("Arial", 10, FontStyle.Bold) Sheet.Cell(startRow, 2).AlignmentHorizontal = Bytescout.Spreadsheet.Constants.AlignmentHorizontal.Right Sheet.Cell(startRow, 3).Value = oInvoiceData.InvoiceNo Sheet.Cell((System.Threading.Interlocked.Increment(startRow)), 2).Value = "Invoice Date." Sheet.Cell(startRow, 2).Font = New Font("Arial", 10, FontStyle.Bold) Sheet.Cell(startRow, 2).AlignmentHorizontal = Bytescout.Spreadsheet.Constants.AlignmentHorizontal.Right Sheet.Cell(startRow, 3).ValueAsDateTime = oInvoiceData.InvoiceDate Sheet.Cell(startRow, 3).NumberFormatString = "mm/dd/yyyy" ' 4. Write Client Info Sheet.Cell((System.Threading.Interlocked.Increment(startRow)), 0).Value = oInvoiceData.ClientName Sheet.Cell(startRow, 0).Font = New Font("Arial", 12, FontStyle.Bold) Sheet.Cell((System.Threading.Interlocked.Increment(startRow)), 0).Value = oInvoiceData.ClientAddress1 Sheet.Cell((System.Threading.Interlocked.Increment(startRow)), 0).Value = oInvoiceData.ClientAddress2 startRow += 1 ' 5. Write Notes Sheet.Cell((System.Threading.Interlocked.Increment(startRow)), 0).Value = "Notes" Sheet.Cell(startRow, 0).Font = New Font("Arial", 12, FontStyle.Bold) Sheet.Cell((System.Threading.Interlocked.Increment(startRow)), 0).Value = oInvoiceData.Notes startRow += 2 ' 6. Add Product Listing Dim startAddress As String = "" Dim endAddress As String = "" Sheet.Cell((System.Threading.Interlocked.Increment(startRow)), 0).Value = "Item" _AddAllBorders(Sheet.Cell(startRow, 0)) Sheet.Cell(startRow, 0).Font = New Font("Arial", 11, FontStyle.Bold) Sheet.Cell(startRow, 1).Value = "Quantity" _AddAllBorders(Sheet.Cell(startRow, 1)) Sheet.Cell(startRow, 1).AlignmentHorizontal = Bytescout.Spreadsheet.Constants.AlignmentHorizontal.Right Sheet.Cell(startRow, 1).Font = New Font("Arial", 11, FontStyle.Bold) Sheet.Cell(startRow, 2).Value = "Price" _AddAllBorders(Sheet.Cell(startRow, 2)) Sheet.Cell(startRow, 2).AlignmentHorizontal = Bytescout.Spreadsheet.Constants.AlignmentHorizontal.Right Sheet.Cell(startRow, 2).Font = New Font("Arial", 11, FontStyle.Bold) Sheet.Cell(startRow, 3).Value = "Total" _AddAllBorders(Sheet.Cell(startRow, 3)) Sheet.Cell(startRow, 3).AlignmentHorizontal = Bytescout.Spreadsheet.Constants.AlignmentHorizontal.Right Sheet.Cell(startRow, 3).Font = New Font("Arial", 11, FontStyle.Bold) For i As Integer = 0 To oInvoiceData.lstProducts.Count - 1 Sheet.Cell((System.Threading.Interlocked.Increment(startRow)), 0).Value = oInvoiceData.lstProducts(i).ProductName _AddAllBorders(Sheet.Cell(startRow, 0)) Sheet.Cell(startRow, 1).Value = oInvoiceData.lstProducts(i).Quantity Sheet.Cell(startRow, 1).AlignmentHorizontal = Bytescout.Spreadsheet.Constants.AlignmentHorizontal.Right _AddAllBorders(Sheet.Cell(startRow, 1)) Sheet.Cell(startRow, 2).Value = oInvoiceData.lstProducts(i).Price Sheet.Cell(startRow, 2).AlignmentHorizontal = Bytescout.Spreadsheet.Constants.AlignmentHorizontal.Right _AddAllBorders(Sheet.Cell(startRow, 2)) ' Calculated cell Dim formulaMultiplication As String = String.Format("={0}*{1}", Sheet.Cell(startRow, 1).GetAddress().ToString(), Sheet.Cell(startRow, 2).GetAddress().ToString()) Sheet.Cell(startRow, 3).Formula = formulaMultiplication Sheet.Cell(startRow, 3).AlignmentHorizontal = Bytescout.Spreadsheet.Constants.AlignmentHorizontal.Right _AddAllBorders(Sheet.Cell(startRow, 3)) ' Address to be used for total sum If i = 0 Then startAddress = Sheet.Cell(startRow, 3).GetAddress().ToString() End If endAddress = Sheet.Cell(startRow, 3).GetAddress().ToString() Next Sheet.Cell((System.Threading.Interlocked.Increment(startRow)), 2).Value = "TOTAL" Sheet.Cell(startRow, 2).AlignmentHorizontal = Constants.AlignmentHorizontal.Right Sheet.Cell(startRow, 2).Font = New Font("Arial", 11, FontStyle.Bold) Dim formulaTotalSum As String = String.Format("=SUM({0}:{1})", startAddress, endAddress) Sheet.Cell(startRow, 3).Formula = formulaTotalSum Sheet.Cell(startRow, 3).Font = New Font("Arial", 11, FontStyle.Bold) Sheet.Cell(startRow, 3).AlignmentHorizontal = Bytescout.Spreadsheet.Constants.AlignmentHorizontal.Right ' AutoFit all columns Sheet.Columns.Item(0).AutoFit() Sheet.Columns.Item(1).AutoFit() Sheet.Columns.Item(2).AutoFit() Sheet.Columns.Item(3).AutoFit() ' Return all formatted document Return document End Function ''' <summary> ''' Add borders to cell ''' </summary> Private Sub _AddAllBorders(ByVal cell As Cell) cell.LeftBorderStyle = Bytescout.Spreadsheet.Constants.LineStyle.Thin cell.RightBorderStyle = Bytescout.Spreadsheet.Constants.LineStyle.Thin cell.TopBorderStyle = Bytescout.Spreadsheet.Constants.LineStyle.Thin cell.BottomBorderStyle = Bytescout.Spreadsheet.Constants.LineStyle.Thin End Sub ''' <summary> ''' Gets Sample invoice data ''' </summary> Private Function GetInvoiceData() As InvoiceData Dim oRet = New InvoiceData With { .CompanyName = "Your Company Name", .CompanyAddress1 = "Your Address", .CompanyAddress2 = "City, State Zip", .ClientName = "Client Name", .ClientAddress1 = "Address", .ClientAddress2 = "City, State Zip", .InvoiceNo = "123456", .InvoiceDate = DateTime.Now, .Notes = "Some notes...", .lstProducts = New List(Of InvoiceProduct) From { New InvoiceProduct With { .ProductName = "Product 1", .Price = 30, .Quantity = 10 }, New InvoiceProduct With { .ProductName = "Product 2", .Price = 40, .Quantity = 30 }, New InvoiceProduct With { .ProductName = "Product 3", .Price = 50, .Quantity = 15 }, New InvoiceProduct With { .ProductName = "Product 4", .Price = 20, .Quantity = 20 } } } Return oRet End Function #Region "Invoice Class" Public Class InvoiceData Public Sub New() lstProducts = New List(Of InvoiceProduct)() End Sub Public Property CompanyName As String Public Property CompanyAddress1 As String Public Property CompanyAddress2 As String Public Property InvoiceNo As String Public Property InvoiceDate As DateTime Public Property ClientName As String Public Property ClientAddress1 As String Public Property ClientAddress2 As String Public Property Notes As String Public Property lstProducts As List(Of InvoiceProduct) End Class Public Class InvoiceProduct Public Property ProductName As String Public Property Quantity As Integer Public Property Price As Decimal End Class #End Region End Module

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