Convert Excel to DOCX in memory using C# and VB.Net.


Complete code.

using System;
using System.IO;
using SautinSoft;

namespace Sample
{
    class Sample
    {
        static void Main(string[] args)
        {
            ConvertExcelAsByteArray();
            //ConvertExcelAsMemoryStream();
        }
        public static void ConvertExcelAsByteArray()
        {
            // Convert Excel to DOCX in memory
            ExcelToPdf x = new ExcelToPdf();

            // Set DOCX as output format.
            x.OutputFormat = SautinSoft.ExcelToPdf.eOutputFormat.Docx;

            string excelFile = Path.GetFullPath(@"..\..\test.xls");
            string docxFile = Path.ChangeExtension(excelFile, ".docx"); ;

            byte[] excelBytes = File.ReadAllBytes(excelFile);
            byte[] docxBytes = null;

            try
            {
                docxBytes = x.ConvertBytes(excelBytes);

                // Save docxBytes to a file for demonstration purposes.
                File.WriteAllBytes(docxFile, docxBytes);
                System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(docxFile) { UseShellExecute = true });
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
                Console.ReadLine();
            }
        }
        public static void ConvertExcelAsMemoryStream()
        {
            // Convert Excel to DOCX in memory
            ExcelToPdf x = new ExcelToPdf();

            // Set DOCX as output format.
            x.OutputFormat = SautinSoft.ExcelToPdf.eOutputFormat.Docx;

            string excelFile = Path.GetFullPath(@"..\..\test.xls");
            string docxFile = Path.ChangeExtension(excelFile, ".docx");
            byte[] docxBytes = null;

            try
            {
                // Let us say, we have a memory stream with Excel data.
                using (MemoryStream ms = new MemoryStream(File.ReadAllBytes(excelFile)))
                {
                    docxBytes = x.ConvertBytes(ms.ToArray());
                }
                // Save docxBytes to a file for demonstration purposes.
                File.WriteAllBytes(docxFile, docxBytes);
                System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(docxFile) { UseShellExecute = true });
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
                Console.ReadLine();
            }
        }
    }
}

Download.

        
            Imports System
Imports System.IO
Imports SautinSoft

Module Sample

    Sub Main()
        ConvertExcelAsByteArray()
        'ConvertExcelAsMemoryStream()
    End Sub

    Public Sub ConvertExcelAsByteArray()

        ' Convert Excel to DOCX in memory
        Dim x As New ExcelToPdf()

        ' Set DOCX as output format.
        x.OutputFormat = SautinSoft.ExcelToPdf.eOutputFormat.Docx

        Dim excelFile As String = Path.GetFullPath("..\test.xls")
        Dim docxFile As String = Path.ChangeExtension(excelFile, ".docx")


        Dim excelBytes() As Byte = File.ReadAllBytes(excelFile)
        Dim docxBytes() As Byte = Nothing

        Try
            docxBytes = x.ConvertBytes(excelBytes)

            ' Save docxBytes to a file for demonstration purposes.
            File.WriteAllBytes(docxFile, docxBytes)
            System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(docxFile) With {.UseShellExecute = True})
        Catch ex As Exception
            Console.WriteLine(ex.Message)
            Console.ReadLine()
        End Try
    End Sub

    Public Sub ConvertExcelAsMemoryStream()

        ' Convert Excel to DOCX in memory
        Dim x As New ExcelToPdf()

        ' Set DOCX as output format.
        x.OutputFormat = SautinSoft.ExcelToPdf.eOutputFormat.Docx

        Dim excelFile As String = Path.GetFullPath("..\test.xls")
        Dim docxFile As String = Path.ChangeExtension(excelFile, ".docx")
        Dim docxBytes() As Byte = Nothing

        Try
            ' Let us say, we have a memory stream with Excel data.
            Using ms As New MemoryStream(File.ReadAllBytes(excelFile))
                docxBytes = x.ConvertBytes(ms.ToArray())
            End Using
            ' Save docxBytes to a file for demonstration purposes.
            File.WriteAllBytes(docxFile, docxBytes)
            System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(docxFile) With {.UseShellExecute = True})
        Catch ex As Exception
            Console.WriteLine(ex.Message)
            Console.ReadLine()
        End Try
    End Sub
End Module

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