Convert XLSX file to RTF file in C# and .NET
Complete code
using System;
using System.IO;
using System.Collections;
namespace Sample
{
class Test
{
static void Main(string[] args)
{
// Before starting, we recommend to get a free 100-day key:
// https://sautinsoft.com/start-for-free/
// Apply the key here:
// UseOffice.SetLicense("...");
// Convert XLSX file to RTF file.
// If you need more information about UseOffice .Net email us at:
// support@sautinsoft.com.
SautinSoft.UseOffice u = new SautinSoft.UseOffice();
string inpFile = Path.GetFullPath(@"..\..\..\..\..\..\TestFiles\example.xlsx");
string outFile = Path.GetFullPath("Result.rtf");
// Prepare UseOffice .Net, loads MS Excel in memory
int ret = u.InitExcel();
// Return values:
// 0 - Loading successfully
// 1 - Can't load MS Excel library in memory
if (ret == 1)
{
Console.WriteLine("Error! Can't load MS Excel library in memory");
return;
}
// Perform the conversion.
ret = u.ConvertFile(inpFile, outFile, SautinSoft.UseOffice.eDirection.XLSX_to_RTF);
// Release MS Excel from memory
u.CloseExcel();
// 0 - Converting successfully
// 1 - Can't open input file. Check that you are using full local path to input file, URL and relative path are not supported
// 2 - Can't create output file. Please check that you have permissions to write by this path or probably this path already used by another application
// 3 - Converting failed, please contact with our Support Team
// 4 - MS Office isn't installed. The component requires that any of these versions of MS Office should be installed: 2000, XP, 2003, 2007, 2010, 2013, 2016 or 2019.
if (ret == 0)
{
// Open the result.
System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(outFile) { UseShellExecute = true });
}
else
Console.WriteLine("Error! Please contact with SautinSoft support: support@sautinsoft.com.");
}
}
}
Imports System
Imports System.IO
Imports System.Collections
Namespace Sample
Friend Class Test
Shared Sub Main(ByVal args() As String)
' Before starting, we recommend to get a free 100-day key:
' https://sautinsoft.com/start-for-free/
' Apply the key here:
' UseOffice.SetLicense("...");
' Convert XLSX file to RTF file.
' If you need more information about UseOffice .Net email us at:
' support@sautinsoft.com.
Dim u As New SautinSoft.UseOffice()
Dim inpFile As String = Path.GetFullPath("..\..\..\..\..\..\TestFiles\example.xlsx")
Dim outFile As String = Path.GetFullPath("Result.rtf")
' Prepare UseOffice .Net, loads MS Excel in memory
Dim ret As Integer = u.InitExcel()
' Return values:
' 0 - Loading successfully
' 1 - Can't load MS Excel library in memory
If ret = 1 Then
Console.WriteLine("Error! Can't load MS Excel library in memory")
Return
End If
' Perform the conversion.
ret = u.ConvertFile(inpFile, outFile, SautinSoft.UseOffice.eDirection.XLSX_to_RTF)
' Release MS Excel from memory
u.CloseExcel()
' 0 - Converting successfully
' 1 - Can't open input file. Check that you are using full local path to input file, URL and relative path are not supported
' 2 - Can't create output file. Please check that you have permissions to write by this path or probably this path already used by another application
' 3 - Converting failed, please contact with our Support Team
' 4 - MS Office isn't installed. The component requires that any of these versions of MS Office should be installed: 2000, XP, 2003, 2007, 2010, 2013, 2016 or 2019.
If ret = 0 Then
' Open the result.
System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(outFile) With {.UseShellExecute = True})
Else
Console.WriteLine("Error! Please contact with SautinSoft support: support@sautinsoft.com.")
End If
End Sub
End Class
End Namespace
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