Import From DataSet - VB.NET
Spreadsheet SDK sample in VB.NET demonstrating ‘Import From DataSet’
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
Resources.Designer.vb
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