ByteScout Barcode Suite - VB.NET - Export to winforms datagrid with spreadsheet sdk - ByteScout

ByteScout Barcode Suite – VB.NET – Export to winforms datagrid with spreadsheet sdk

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How to export to winforms datagrid with spreadsheet sdk in VB.NET with ByteScout Barcode Suite

How to write a robust code in VB.NET to export to winforms datagrid with spreadsheet sdk with this step-by-step tutorial

An easy to understand guide on how to export to winforms datagrid with spreadsheet sdk in VB.NET with this source code sample. What is ByteScout Barcode Suite? It is the bundle that privides 3 SDK products to generate barcodes (Barcode SDK), read barcodes (Barcode Reaer SDK) and read and write spreadsheets (Spreadsheet SDK). It can help you to export to winforms datagrid with spreadsheet sdk in your VB.NET application.

These VB.NET code samples for VB.NET guide developers to speed up coding of the application when using ByteScout Barcode Suite. Just copy and paste the code into your VB.NET application’s code and follow the instructions. Enjoy writing a code with ready-to-use sample codes in VB.NET.

The trial version of ByteScout Barcode Suite can be downloaded for free from our website. It also includes source code samples for VB.NET and other programming languages.

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Form1.Designer.vb
      
Partial Class Form1 ''' <summary> ''' Required designer variable. ''' </summary> Private components As System.ComponentModel.IContainer = Nothing ''' <summary> ''' Clean up any resources being used. ''' </summary> ''' <param name="disposing">true if managed resources should be disposed; otherwise, false.</param> Protected Overrides Sub Dispose(disposing As Boolean) If disposing AndAlso (components IsNot Nothing) Then components.Dispose() End If MyBase.Dispose(disposing) End Sub #Region "Windows Form Designer generated code" ''' <summary> ''' Required method for Designer support - do not modify ''' the contents of this method with the code editor. ''' </summary> Private Sub InitializeComponent() Me.dataGrid1 = New System.Windows.Forms.DataGrid() Me.dataGridTableStyle1 = New System.Windows.Forms.DataGridTableStyle() Me.dataGridTextBoxColumn1 = New System.Windows.Forms.DataGridTextBoxColumn() Me.btnImport = New System.Windows.Forms.Button() Me.btnExport = New System.Windows.Forms.Button() Me.openFileDialog1 = New System.Windows.Forms.OpenFileDialog() DirectCast(Me.dataGrid1, System.ComponentModel.ISupportInitialize).BeginInit() Me.SuspendLayout() ' ' dataGrid1 ' Me.dataGrid1.Anchor = CType((((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) Or System.Windows.Forms.AnchorStyles.Left) Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles) Me.dataGrid1.DataMember = "" Me.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText Me.dataGrid1.Location = New System.Drawing.Point(12, 12) Me.dataGrid1.Name = "dataGrid1" Me.dataGrid1.Size = New System.Drawing.Size(438, 308) Me.dataGrid1.TabIndex = 0 Me.dataGrid1.TableStyles.AddRange(New System.Windows.Forms.DataGridTableStyle() {Me.dataGridTableStyle1}) ' ' dataGridTableStyle1 ' Me.dataGridTableStyle1.DataGrid = Me.dataGrid1 Me.dataGridTableStyle1.GridColumnStyles.AddRange(New System.Windows.Forms.DataGridColumnStyle() {Me.dataGridTextBoxColumn1}) Me.dataGridTableStyle1.HeaderForeColor = System.Drawing.SystemColors.ControlText ' ' dataGridTextBoxColumn1 ' Me.dataGridTextBoxColumn1.Format = "" Me.dataGridTextBoxColumn1.FormatInfo = Nothing Me.dataGridTextBoxColumn1.NullText = "" Me.dataGridTextBoxColumn1.Width = 75 ' ' btnImport ' Me.btnImport.Anchor = CType((System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles) Me.btnImport.Location = New System.Drawing.Point(238, 326) Me.btnImport.Name = "btnImport" Me.btnImport.Size = New System.Drawing.Size(212, 23) Me.btnImport.TabIndex = 1 Me.btnImport.Text = "Import from DataGrid to spreadsheet" Me.btnImport.UseVisualStyleBackColor = True AddHandler Me.btnImport.Click, New System.EventHandler(AddressOf Me.btnImport_Click) ' ' btnExport ' Me.btnExport.Anchor = CType((System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles) Me.btnExport.Location = New System.Drawing.Point(238, 355) Me.btnExport.Name = "btnExport" Me.btnExport.Size = New System.Drawing.Size(212, 23) Me.btnExport.TabIndex = 2 Me.btnExport.Text = "Export from spreadsheet to DataGrid" Me.btnExport.UseVisualStyleBackColor = True AddHandler Me.btnExport.Click, New System.EventHandler(AddressOf Me.btnExport_Click) ' ' openFileDialog1 ' Me.openFileDialog1.FileName = "openFileDialog1" Me.openFileDialog1.Filter = "Excel files (*.xls;*.xlsx)|*.xls;*.xlsx|All files|*.*" ' ' Form1 ' Me.AutoScaleDimensions = New System.Drawing.SizeF(6F, 13F) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(462, 390) Me.Controls.Add(Me.btnExport) Me.Controls.Add(Me.btnImport) Me.Controls.Add(Me.dataGrid1) Me.Name = "Form1" Me.Text = "ImportFromWinFormsDataGrid" DirectCast(Me.dataGrid1, System.ComponentModel.ISupportInitialize).EndInit() Me.ResumeLayout(False) End Sub #End Region Private dataGrid1 As System.Windows.Forms.DataGrid Private btnImport As System.Windows.Forms.Button Private btnExport As System.Windows.Forms.Button Private openFileDialog1 As System.Windows.Forms.OpenFileDialog Private dataGridTableStyle1 As System.Windows.Forms.DataGridTableStyle Private dataGridTextBoxColumn1 As System.Windows.Forms.DataGridTextBoxColumn End Class

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Form1.vb
      
Imports System.Data Imports System.Diagnostics Imports System.IO Imports System.Windows.Forms Imports Bytescout.Spreadsheet Public Partial Class Form1 Inherits Form Public Sub New() InitializeComponent() dataGrid1.DataSource = GetDemoDataTable() End Sub Private Sub btnImport_Click(sender As Object, e As EventArgs) Cursor = Cursors.WaitCursor Try Const fileName As String = "CSharpImportFromDataTable.xls" ' retrieve DataTable from DataGrid Dim dataTable As DataTable = DirectCast(dataGrid1.DataSource, DataTable) ' Create spreadsheet Dim spreadsheet As New Spreadsheet() ' Import data from DataTable into spreadheet spreadsheet.ImportFromDataTable(dataTable) ' Insert row with column captions Dim worksheet As Worksheet = spreadsheet.Worksheets(0) worksheet.Rows.Insert(0) For colIndex As Integer = 0 To dataTable.Columns.Count - 1 worksheet.Cell(0, colIndex).Value = dataTable.Columns(colIndex).Caption 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) Finally Cursor = Cursors.[Default] End Try End Sub Private Sub btnExport_Click(sender As Object, e As EventArgs) If openFileDialog1.ShowDialog() = DialogResult.OK Then Cursor = Cursors.WaitCursor Try ' Create spreadsheet Dim spreadsheet As New Spreadsheet() ' Load spreadsheet from file spreadsheet.LoadFromFile(openFileDialog1.FileName) ' Export to DataGrid Dim dataTable As DataTable = spreadsheet.ExportToDataTable() dataGrid1.DataSource = dataTable Finally Cursor = Cursors.[Default] End Try End If End Sub ''' <summary> ''' Fills a data table of the periodic table of elements. ''' </summary> Private Function GetDemoDataTable() As DataTable Dim periodicTable As New DataTable("PeriodicTable") periodicTable.Columns.Add("Name", GetType(String)) periodicTable.Columns.Add("Symbol", GetType(String)) periodicTable.Columns.Add("AtomicNumber", GetType(Integer)) Dim dr As DataRow = 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 End Class

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Program.vb
      
Imports System.Windows.Forms Class Program <STAThread> _ Friend Shared Sub Main(args As String()) Application.EnableVisualStyles() Application.SetCompatibleTextRenderingDefault(False) Application.Run(New Form1()) End Sub End Class

ON-PREMISE OFFLINE SDK

60 Day Free Trial or Visit ByteScout Barcode Suite Home Page

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Sign Up for ByteScout Barcode Suite Online Training

ON-DEMAND REST WEB API

Get Your API Key

Explore Web API Docs

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ON-PREMISE OFFLINE SDK

60 Day Free Trial or Visit ByteScout Barcode Suite Home Page

Explore ByteScout Barcode Suite Documentation

Explore Samples

Sign Up for ByteScout Barcode Suite Online Training

ON-DEMAND REST WEB API

Get Your API Key

Explore Web API Docs

Explore Web API Samples

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