EasyXLS

How to export data to CSV file in VB.NET

'--------------------------------------------------------------
' Tutorial 30
'
' This tutorial shows how to export data to CSV file in VB.NET.
'--------------------------------------------------------------
Click here to see the Excel file

Imports EasyXLS
Imports EasyXLS.Constants

Module Tutorial30

    Sub Main()

        Console.WriteLine("Tutorial 30" & vbCrLf & "----------" & vbCrLf)

        ' Create an instance of the class that exports Excel files, having a sheet
        Dim workbook As New ExcelDocument(1)

        ' Set the sheet name
        workbook.easy_getSheetAt(0).setSheetName("First tab")

        ' Get the table of data for the worksheet
        Dim xlsFirstTab As ExcelWorksheet = workbook.easy_getSheetAt(0)
        Dim xlsFirstTable = xlsFirstTab.easy_getExcelTable()

        ' Add data in cells for report header
        For column As Integer = 0 To 4
            xlsFirstTable.easy_getCell(0, column).setValue("Column " & (column + 1))
            xlsFirstTable.easy_getCell(0, column).setDataType(DataType.STRING)
        Next
        
        ' Add data in cells for report values
        For row As Integer = 0 To 99
            For column As Integer = 0 To 4
                xlsFirstTable.easy_getCell(row + 1, column).setValue("Data " & (row + 1) & ", " & (column + 1))
                xlsFirstTable.easy_getCell(row + 1, column).setDataType(DataType.STRING)
            Next
        Next

        ' Export CSV file
        Console.WriteLine("Writing file C:\Samples\Tutorial30.csv.")
        workbook.easy_WriteCSVFile("C:\Samples\Tutorial30.csv", "First tab")

        ' Confirm export of CSV file
        Dim sError As String = workbook.easy_getError()
        If (sError.Equals("")) Then
            Console.Write(vbCrLf & "File successfully created. Press Enter to Exit...")
        Else
            Console.Write(vbCrLf & "Error encountered: " & sError & vbCrLf & "Press Enter to Exit...")
        End If
        
        ' Dispose memory
        workbook.Dispose()
        
        Console.ReadLine()

    End Sub

End Module

EasyXLS Excel libraries:

.NET
Excel Library for VB.NET
full .NET version to import, export or convert Excel files
Excel Writer for VB.NET
.NET version to create and export Excel files
Download EasyXLS™ Excel Library for VB.NET

File formats:

MS Excel 97 - 2003
MS Excel 2007 - 2010
MS Excel 2013
MS Excel 2016
MS Excel 2019
XLSX XLSM XLSB XLS
XML HTML CSV TXT