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

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

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

How to write a robust code in ASP.NET VB to generate barcode in VB with barcode SDK with this step-by-step tutorial

Every ByteScout tool includes simple example ASP.NET VB source codes that you can get here or in the folder with installed ByteScout product. ByteScout Barcode Suite 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 generate barcode in VB with barcode SDK in ASP.NET VB.

These ASP.NET VB code samples for ASP.NET VB guide developers to speed up coding of the application when using ByteScout Barcode Suite. IF you want to implement the functionality, just copy and paste this code for ASP.NET VB below into your code editor with your app, compile and run your application. Enjoy writing a code with ready-to-use sample ASP.NET VB codes.

If you want to try other source code samples then the free trial version of ByteScout Barcode Suite is available for download from our website. Just try other source code samples for ASP.NET VB.

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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 ' IF YOU SEE TEMPORARY FOLDER ACCESS ERRORS: ' Temporary folder access is required for web application when you use ByteScout SDK in it. ' If you are getting errors related to the access to temporary folder like "Access to the path 'C:\Windows\TEMP\... is denied" then you need to add permission for this temporary folder to make ByteScout SDK working on that machine and IIS configuration because ByteScout SDK requires access to temp folder to cache some of its data for more efficient work. ' SOLUTION: ' If your IIS Application Pool has "Load User Profile" option enabled the IIS provides access to user's temp folder. Check user's temporary folder ' If you are running Web Application under an impersonated account or IIS_IUSRS group, IIS may redirect all requests into separate temp folder like "c:\temp\". ' In this case ' - check the User or User Group your web application is running under ' - then add permissions for this User or User Group to read and write into that temp folder (c:\temp or c:\windows\temp\ folder) ' - restart your web application and try again 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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60 Day Free Trial or Visit ByteScout Barcode Suite Home Page

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