ByteScout BarCode Generator SDK - ASP.NET - Generate Barcode in VB.NET Local Reports (RDLC) - ByteScout

ByteScout BarCode Generator SDK – ASP.NET – Generate Barcode in VB.NET Local Reports (RDLC)

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How to generate barcode in VB in ASP.NET and ByteScout Barcode SDK

Tutorial on how to generate barcode in VB in ASP.NET

Learn how to generate barcode in VB in ASP.NET with this source code sample. ByteScout Barcode SDK is the fully featured library to generate barcodes. Supports QR Code, Code 39, Code 128, UPC, GS1, GS-128, PDF417, Datamatrix and many other barcode types. Includes various options for barcode generation to ensure output quality, add barcodes to new or existing pdf files and images and you can use it to generate barcode in VB with ASP.NET.

You will save a lot of time on writing and testing code as you may just take the ASP.NET code from ByteScout Barcode SDK for generate barcode in VB below and use it in your application. Follow the instructions from the scratch to work and copy the ASP.NET code. Test ASP.NET sample code examples whether they respond your needs and requirements for the project.

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

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Default.aspx
      
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> </head> <body> <form id="form1" runat="server"> <div> </div> </form> </body> </html>

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Default.aspx.vb
      
Imports Bytescout.BarCode Partial Class _Default Inherits System.Web.UI.Page Protected Sub form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles form1.Load ' Fill the datasource from DB Dim ta As New AdventureWorksTableAdapters.vProductAndDescriptionTableAdapter() Dim dt As New AdventureWorks.vProductAndDescriptionDataTable() ta.Fill(dt) ' Create and setup an instance of Bytescout Barcode SDK Dim bc As New Barcode(SymbologyType.Code128) bc.RegistrationName = "demo" bc.RegistrationKey = "demo" bc.DrawCaption = False ' Update DataTable with barcode image Dim row As AdventureWorks.vProductAndDescriptionRow For Each row In dt.Rows ' Set the value to encode bc.Value = row.ProductID.ToString() 'Generate the barcode image and store it into the Barcode Column row.Barcode = bc.GetImageBytesPNG() Next 'Create Report Data Source Dim rptDataSource As New Microsoft.Reporting.WebForms.ReportDataSource("AdventureWorks_vProductAndDescription", dt) Me.ReportViewer1.LocalReport.DataSources.Add(rptDataSource) Me.ReportViewer1.LocalReport.ReportPath = Server.MapPath("BarcodeReport.rdlc") Me.ReportViewer1.LocalReport.Refresh() End Sub End Class

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web.config
      
<?xml version="1.0"?> <!-- Note: As an alternative to hand editing this file you can use the web admin tool to configure settings for your application. Use the Website->Asp.Net Configuration option in Visual Studio. A full list of settings and comments can be found in machine.config.comments usually located in \Windows\Microsoft.Net\Framework\v2.x\Config --> <configuration> <appSettings/> <connectionStrings> <add name="AdventureWorksConnectionString" connectionString="Data Source=STARKOV\SQLEXPRESS;Initial Catalog=AdventureWorks;Integrated Security=True" providerName="System.Data.SqlClient" /> </connectionStrings> <system.web> <!-- Set compilation debug="true" to insert debugging symbols into the compiled page. Because this affects performance, set this value to true only during development. Visual Basic options: Set strict="true" to disallow all data type conversions where data loss can occur. Set explicit="true" to force declaration of all variables. --> <compilation debug="false" strict="false" explicit="true"> </compilation> <pages> <namespaces> <clear /> <add namespace="System" /> <add namespace="System.Collections" /> <add namespace="System.Collections.Generic" /> <add namespace="System.Collections.Specialized" /> <add namespace="System.Configuration" /> <add namespace="System.Text" /> <add namespace="System.Text.RegularExpressions" /> <add namespace="System.Web" /> <add namespace="System.Web.Caching" /> <add namespace="System.Web.SessionState" /> <add namespace="System.Web.Security" /> <add namespace="System.Web.Profile" /> <add namespace="System.Web.UI" /> <add namespace="System.Web.UI.WebControls" /> <add namespace="System.Web.UI.WebControls.WebParts" /> <add namespace="System.Web.UI.HtmlControls" /> </namespaces> </pages> <!-- The <authentication> section enables configuration of the security authentication mode used by ASP.NET to identify an incoming user. --> <authentication mode="Windows" /> <!-- The <customErrors> section enables configuration of what to do if/when an unhandled error occurs during the execution of a request. Specifically, it enables developers to configure html error pages to be displayed in place of a error stack trace. <customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm"> <error statusCode="403" redirect="NoAccess.htm" /> <error statusCode="404" redirect="FileNotFound.htm" /> </customErrors> --> </system.web> </configuration>

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