ByteScout Spreadsheet SDK – VB.NET – Import From DataSet

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ByteScout Spreadsheet SDK – VB.NET – Import From DataSet

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ByteScout-Spreadsheet-SDK-VB-NET-Import-From-DataSet.pdf

How to import from dataset in VB.NET using ByteScout Spreadsheet SDK

This code in VB.NET shows how to import from dataset with this how to tutorial

The coding tutorials are designed to help you test the features without need to write your own code. ByteScout Spreadsheet SDK is the SDK to create, read, modify and calculate spreadsheets. Formula calculations are supported, import and export to and from JSON, CSV, XML, databases, arrays and you can use it to import from dataset with VB.NET.

Fast application programming interfaces of ByteScout Spreadsheet SDK for VB.NET plus the instruction and the code below will help you quickly learn how to import from dataset. Just copy and paste the code into your VB.NET application’s code and follow the instruction. Detailed tutorials and documentation are available along with installed ByteScout Spreadsheet SDK if you’d like to dive deeper into the topic and the details of the API.

You can download free trial version of ByteScout Spreadsheet SDK from our website to see and try many others source code samples for VB.NET.

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Module1.vb

      Imports System.IO

Module Module1

    Sub Main()
        Const fileName As String = "VBNetImportFromDataSet.xls"

        'Create a new spreadsheet
        Dim spreadsheet As Bytescout.Spreadsheet.Spreadsheet = New Bytescout.Spreadsheet.Spreadsheet

        'Get the data from the 2D array that we want to import
        Dim dataset = GetDataSet()

        'Import data into spreadheet
        spreadsheet.ImportFromDataSet(dataset)

        'Insert row with column captions
        For i As Integer = 0 To dataset.Tables.Count - 1

            Dim dataTable As DataTable = dataset.Tables(i)
            Dim worksheet As Worksheet = spreadsheet.Worksheets(i)

            worksheet.Rows.Insert(0)

            For colIndex As Integer = 0 To dataTable.Columns.Count - 1
                worksheet.Cell(0, colIndex).Value = dataTable.Columns(colIndex).Caption
            Next
        Next

        'Save the spreadsheet
        If (File.Exists(fileName)) Then
            File.Delete(fileName)
        End If
        spreadsheet.SaveAs(fileName)

        'Close spreadsheet
        spreadsheet.Close()

        'Open the spreadsheet
        Process.Start(fileName)

    End Sub

    ''' <summary>
    ''' Returns a dataset containing 2 tables
    ''' </summary>
    ''' <returns>Dataset containing 2 tables</returns>
    Function GetDataSet() As DataSet
        Dim dataSet = New DataSet

        dataSet.Tables.Add(GetDataTableOfElements())
        dataSet.Tables.Add(GetDataTableOfScientists())

        Return dataSet

    End Function

    ''' <summary>
    ''' Creates a data table of the periodic table of elements
    ''' </summary>
    ''' <returns>A data table of the periodic table of elements</returns>
    Function GetDataTableOfElements() As DataTable

        Dim periodicTable = New DataTable("PeriodicTable")
        Dim dr As DataRow

        periodicTable.Columns.Add("Name", GetType(String))
        periodicTable.Columns.Add("Symbol", GetType(String))
        periodicTable.Columns.Add("AtomicNumber", GetType(Integer))

        dr = periodicTable.Rows.Add()
        dr(0) = "Hydrogen"
        dr(1) = "H"
        dr(2) = "1"

        dr = periodicTable.Rows.Add()
        dr(0) = "Helium"
        dr(1) = "He"
        dr(2) = "2"

        dr = periodicTable.Rows.Add()
        dr(0) = "Lithium"
        dr(1) = "Li"
        dr(2) = "3"

        dr = periodicTable.Rows.Add()
        dr(0) = "Beryllium"
        dr(1) = "Be"
        dr(2) = "4"

        dr = periodicTable.Rows.Add()
        dr(0) = "Boron"
        dr(1) = "B"
        dr(2) = "5"

        dr = periodicTable.Rows.Add()
        dr(0) = "Carbon"
        dr(1) = "C"
        dr(2) = "6"

        Return periodicTable
    End Function

    ''' <summary>
    ''' Creates a data table of scientists
    ''' </summary>
    ''' <returns>A datatable of scientists</returns>
    ''' <remarks></remarks>
    Function GetDataTableOfScientists() As DataTable

        Dim scientistsTable = New DataTable("Scientists")
        Dim dr As DataRow

        scientistsTable.Columns.Add("Name", GetType(String))

        dr = scientistsTable.Rows.Add()
        dr(0) = "Antoine Lavoisier"

        dr = scientistsTable.Rows.Add()
        dr(0) = "Julius Lothar Meyer "

        dr = scientistsTable.Rows.Add()
        dr(0) = "Dmitri Ivanovich Mendeleev"

        Return scientistsTable

    End Function

End Module