ByteScout Spreadsheet SDK – C# – Convert XLS to XML and XML to XLS

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ByteScout Spreadsheet SDK – C# – Convert XLS to XML and XML to XLS

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How to convert XLS to XML and XML to XLS in C# using ByteScout Spreadsheet SDK

This tutorial will show how to convert XLS to XML and XML to XLS in C#

These source code samples are listed and grouped by their programming language and functions they use. ByteScout Spreadsheet SDK can convert XLS to XML and XML to XLS. It can be used from C#. ByteScout Spreadsheet SDK is 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.

C# code samples for C# developers help to speed up coding of your application when using ByteScout Spreadsheet SDK. Follow the instructions from the scratch to work and copy the C# code. Code testing will allow the function to be tested and work properly with your data.

Trial version of ByteScout Spreadsheet SDK is available for free. Source code samples are included to help you with your C# app.

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Bytescout.XLS.Utils.SimpleXMLConverter.cs

      using System;
using System.Data;
using System.IO;
using Bytescout.Spreadsheet;

namespace Bytescout.Spreadsheet.Utils
{
    /// <summary>
    /// class for simple XLS to XML and XML to XLS conversion
    /// </summary>
    public class SimpleXMLConverter
    {
        private readonly Spreadsheet document;

        public SimpleXMLConverter(Spreadsheet document)
        {
            this.document = document;
        }

        public void LoadXML(string path)
        {
            DataSet dataSet = new DataSet();
            dataSet.ReadXml(path);

            foreach (DataTable table in dataSet.Tables)
            {
                Worksheet worksheet = document.Workbook.Worksheets.Add(table.TableName);

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

                /*// Add row for header
                worksheet.Rows.Insert(0);

                // Fill headers
                for (int i = 0; i < table.Columns.Count; i++)
                {
                    worksheet.Cell(1, i).Value = table.Columns[i].ColumnName;
                }*/

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

                // Fill data
                for (int i = 0; i < table.Rows.Count; i++)
                {
                    for (int j = 0; j < table.Columns.Count; j++)
                    {
                        worksheet.Cell(i + 1, j).Value = table.Rows[i][j].ToString();
                    }
                }
            }
        }

        public void SaveXML(string path)
        {
            DataSet dataSet = new DataSet();

            for (int i = 0; i < document.Workbook.Worksheets.Count; i++)
            {
                Worksheet worksheet = document.Workbook.Worksheets[i];

                DataTable table = dataSet.Tables.Add(worksheet.Name);

                #region Add Columns

                for (int column = 0; column <= worksheet.UsedRangeColumnMax; column++)
                {
                    table.Columns.Add(
                        string.Format("Column_{0}", column));
                }

                #endregion

                #region Add rows

                for (int row = 0; row <= worksheet.UsedRangeRowMax; row++)
                {
                    object[] data = new object[worksheet.UsedRangeColumnMax + 1];

                    for (int column = 0; column <= worksheet.UsedRangeColumnMax; column++)
                    {
                        if (worksheet.Cell(row, column).Value != null &&
                            worksheet.Cell(row, column).Value.ToString().Trim() == "")
                            data[column] = null;
                        else
                            data[column] = worksheet.Cell(row, column).Value;
                    }

                    table.Rows.Add(data);
                }

                #endregion
            }

            dataSet.WriteXml(path);
        }

        private void PrintDataSet(DataSet ds)
        {
            Console.WriteLine("DataSet name: {0}", ds.DataSetName);
            foreach (DataTable table in ds.Tables)
            {
                int rowCount = table.Rows.Count;
                int columnCount = table.Columns.Count;

                Console.WriteLine("\nTable: {0} ({1} rows)", table.TableName, rowCount);
                foreach (DataColumn column in table.Columns)
                {
                    Console.Write("{0}\t", column.ColumnName);
                }
                Console.WriteLine();

                for (int i = 0; i < rowCount; i++)
                {
                    for (int column = 0; column < columnCount; column++)
                    {
                        Console.Write("{0}\t", table.Rows[i][column]);
                    }

                    Console.WriteLine();
                }
            }
        }
    }
}

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Program.cs

      using System;
using System.Data;
using System.IO;
using Bytescout.Spreadsheet;
using Bytescout.Spreadsheet.Utils;
using System.Diagnostics;

namespace SimpleXMLConverterSample
{
    internal class Program
    {
        private static void Main(string[] args)
        {
            // sample XLS to XML conversion
            SampleXLStoXMLConversion();
            // sample XML to XLS conversion
            SampleXMLtoXLSConversion();
        }

        /// <summary>
        /// shows how to convert existing XLS (Excel) document into XML using Bytescout.Spreadsheet and Bytescout.Spreadsheet.Utils.SimpleXMLConverter
        /// </summary>
        private static void SampleXLStoXMLConversion(){
            Spreadsheet document;

            // read XLS and save as XML
            document = new Spreadsheet();
	document.LoadFromFile("AdvancedReport.xls");
            SimpleXMLConverter tools = new SimpleXMLConverter(document);
            tools.SaveXML("AdvancedReport.xml");
            document.Close();
        }

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

            Spreadsheet document = new Spreadsheet();

            SimpleXMLConverter tools = new SimpleXMLConverter(document);

            tools.LoadXML("AdvancedReport.xml");

            // delete output file if exists already
            if (File.Exists("Output.xls")){
                File.Delete("Output.xls");
            }

            // Save document
            document.SaveAs("Output.xls");

            // Close Spreadsheet
            document.Close();

            // open generated XLS document in default program
            Process.Start("Output.xls");

        }
    }

}