EasyXLS

How to read XLSB file in VB.NET

EasyXLS Excel library can be used to import Excel files in VB.NET. The library works with .NET Framework or .NET Core platform.

Step 1: Download and install EasyXLS Excel Library for .NET

To download the trial version of EasyXLS Excel Library, press the below button:

Download EasyXLS™ Excel Library for VB.NET

If you already own a license key, you may login and download EasyXLS from your account.

Step 2: Create a VB.NET project

If don't have a project, create one as ASP.NET web application, windows forms app, console application, class library or service.

Step 3: Include EasyXLS library into project

EasyXLS.dll must be added as reference to your project. EasyXLS.dll can be found after installing EasyXLS, in "Dot NET version" folder.

Add EasyXLS reference

Step 4: Run VB.NET code that reads XLSB file

Execute the following VB.NET code that imports an XLSB file.

'-------------------------------------------------------------------------------
' Tutorial 38
'
' This tutorial shows how to read an Excel XLSB file in VB.NET (the
' XLSB file generated by Tutorial 29 as base template), modify
' some data and save it to another XLSB file (Tutorial38 - read XLSB file.xlsb).
'-------------------------------------------------------------------------------

Imports EasyXLS
Imports System.IO

Module Tutorial38

    Sub Main()

        Console.WriteLine("Tutorial 38" & vbCrLf & "----------" & vbCrLf)

        ' Create an instance of the class that reads Excel files
        Dim workbook As New ExcelDocument

        ' Read XLSB file
        Console.WriteLine("Reading file C:\Samples\Tutorial29.xlsb." & vbCrLf)
        If (workbook.easy_LoadXLSBFile("C:\Samples\Tutorial29.xlsb")) Then

            ' Get the table of data for the second worksheet
            Dim xlsSecondTab As ExcelWorksheet = workbook.easy_getSheet("Second tab")
            Dim xlsSecondTable = xlsSecondTab.easy_getExcelTable

            ' Write some data to the second sheet
            xlsSecondTable.easy_getCell("A1").setValue("Data added by Tutorial38")

            For column As Integer = 0 To 4
                xlsSecondTable.easy_getCell(1, column).setValue("Data " & (column + 1))
            Next

            ' Export the new XLSB file
            Console.WriteLine(vbCrLf & "Writing file C:\Samples\Tutorial38 - read XLSB file.xlsb.")
            workbook.easy_WriteXLSBFile("C:\Samples\Tutorial38 - read XLSB file.xlsb")

            ' Confirm export of Excel file
            Dim sError As String = workbook.easy_getError()
            If (sError.Equals("")) Then
                Console.Write(vbCrLf & "File successfully created.")
            Else
                Console.Write(vbCrLf & "Error encountered: " & sError)
            End If
        Else
            Console.WriteLine(vbCrLf & "Error reading file C:\Samples\Tutorial29.xlsb " & _
                              vbCrLf & workbook.easy_getError())
        End If

        ' Dispose memory
        workbook.Dispose()

        Console.WriteLine(vbCrLf & "Press Enter to Exit...")
        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 Reader for VB.NET
.NET version to read and import 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
XLSXXLSMXLSBXLS
XMLHTMLCSVTXT