ByteScout Spreadsheet SDK – VB.NET – Convert XLS to XML and XML to XLS

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ByteScout Spreadsheet SDK – VB.NET – Convert XLS to XML and XML to XLS

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How to convert XLS to XML and XML to XLS in VB.NET with ByteScout Spreadsheet SDK

This tutorial will show how to convert XLS to XML and XML to XLS in VB.NET

Learn how to convert XLS to XML and XML to XLS in VB.NET with this source code sample. ByteScout Spreadsheet SDK is the SDK to create, read, modify and calculate spreadsheets. Formula calculations are supported, import and export to and from JSON, CSV, XML, databases, arrays. It can be used to convert XLS to XML and XML to XLS using VB.NET.

You will save a lot of time on writing and testing code as you may just take the VB.NET code from ByteScout Spreadsheet SDK for convert XLS to XML and XML to XLS below and use it in your application. In order to implement the functionality, you should copy and paste this code for VB.NET below into your code editor with your app, compile and run your application. Detailed tutorials and documentation are available along with installed ByteScout Spreadsheet SDK if you’d like to dive deeper into the topic and the details of the API.

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Module1.vb

      Imports Bytescout.Spreadsheet
Imports System.IO

Module Module1
    Sub Main()
        ' sample XLS to XML conversion
        SampleXLStoXMLConversion()
        ' sample XML to XLS conversion
        SampleXMLtoXLSConversion()
    End Sub

    ''' <summary>
    ''' shows how to convert existing XLS (Excel) _document into XML using Bytescout.Spreadsheet and Bytescout.Spreadsheet.Utils.SimpleXMLConverter
    ''' </summary>
    Sub SampleXLStoXMLConversion()
        Dim document As New Spreadsheet()
document.LoadFromFile("AdvancedReport.xls")

        ' read XLS and save as XML
        Dim tools As New SimpleXMLConverter(document)
        tools.SaveXML("AdvancedReport.xml")

        document.Close()
    End Sub

    ''' <summary>
    ''' shows how to convert XML data into XLS excel using Bytescout.Spreadsheet and Bytescout.Spreadsheet.Utils.SimpleXMLConverter
    ''' </summary>
    Sub SampleXMLtoXLSConversion()
        ' read XML and convert into XLS (Excel) and save

        Dim document As New Spreadsheet()

        Dim tools As New SimpleXMLConverter(document)

        tools.LoadXML("AdvancedReport.xml")

        ' remove output file if already exists
        If File.Exists("AdvancedReportFromXML.xls") Then
            File.Delete("AdvancedReportFromXML.xls")
        End If

        document.SaveAs("AdvancedReportFromXML.xls")

        document.Close()

        ' open in default spreadsheets viewer/editor
        Process.Start("AdvancedReportFromXML.xls")
    End Sub

End Module

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SimpleXMLConverter.vb

      Imports Bytescout.Spreadsheet

Public Class SimpleXMLConverter

    Dim _document As Spreadsheet

    Sub New(ByRef document As Spreadsheet)
        _document = document
    End Sub

    Sub LoadXML(ByVal path As String)
        Dim dataSet As New DataSet()
        dataSet.ReadXml(path)

        For Each table As DataTable In dataSet.Tables

            Dim worksheet As Worksheet = _document.Workbook.Worksheets.Add(table.TableName)

            ' Add columns
            worksheet.Columns.Insert(0, table.Columns.Count)

            ' Add rows for data
            worksheet.Rows.Insert(0, table.Rows.Count)

            ' Fill data
            For i As Integer = 0 To table.Rows.Count - 1
                For j As Integer = 0 To table.Columns.Count - 1
                    worksheet.Cell(i + 1, j).Value = table.Rows(i)(j).ToString()
                Next
            Next
        Next
    End Sub

    Sub SaveXML(ByVal path As String)

        Dim dataSet As New DataSet()

        For i As Integer = 0 To _document.Workbook.Worksheets.Count - 1

            Dim worksheet As Worksheet = _document.Workbook.Worksheets(i)

            Dim table As DataTable = dataSet.Tables.Add(worksheet.Name)

            For column As Integer = 0 To worksheet.UsedRangeColumnMax
                table.Columns.Add(String.Format("Column_{0}", column))
            Next


            For row As Integer = 0 To worksheet.UsedRangeRowMax
                Dim data() As Object
                Array.Resize(data, worksheet.UsedRangeColumnMax + 1)

                For column As Integer = 0 To worksheet.UsedRangeColumnMax
                    data(column) = worksheet.Cell(row, column).Value
                Next

                table.Rows.Add(data)
            Next
        Next

        dataSet.WriteXml(path)
    End Sub

    Sub PrintDataSet(ByRef ds As DataSet)

        Console.WriteLine("DataSet name: {0}", ds.DataSetName)
        For Each table As DataTable In ds.Tables

            Dim rowCount As Integer = table.Rows.Count
            Dim columnCount As Integer = table.Columns.Count

            Console.WriteLine("\nTable: {0} ({1} rows)", table.TableName, rowCount)

            For Each column As DataColumn In table.Columns
                Console.Write("{0}\t", column.ColumnName)
            Next

            Console.WriteLine()

            For i As Integer = 0 To rowCount - 1
                For column As Integer = 0 To columnCount - 1
                    Console.Write("{0}\t", table.Rows(i)(column))
                Next

                Console.WriteLine()
            Next
        Next
    End Sub

End Class