ByteScout Premium Suite - ASP.NET VB - Generate Barcode in VB Non-Visual class with BarCode SDK - ByteScout

ByteScout Premium Suite – ASP.NET VB – Generate Barcode in VB Non-Visual class with BarCode SDK

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How to generate barcode in VB non visual class with barcode SDK in ASP.NET VB and ByteScout Premium Suite

If you want to learn more then this tutorial will show how to generate barcode in VB non visual class with barcode SDK in ASP.NET VB

The sample source codes on this page shows how to generate barcode in VB non visual class with barcode SDK in ASP.NET VB. ByteScout Premium Suite is the set that includes 12 SDK products from ByteScout including tools and components for PDF, barcodes, spreadsheets, screen video recording. It can be applied to generate barcode in VB non visual class with barcode SDK using ASP.NET VB.

The following code snippet for ByteScout Premium Suite works best when you need to quickly generate barcode in VB non visual class with barcode SDK in your ASP.NET VB application. Just copy and paste the code into your ASP.NET VB application’s code and follow the instructions. Enjoy writing a code with ready-to-use sample ASP.NET VB codes.

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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>Untitled Page</title> </head> <body> <form id="form1" runat="server"> <div> </div> </form> </body> </html>

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Default.aspx.vb
      
Imports System.Drawing.Imaging 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 Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load ' Create new barcode Dim barcode As New Barcode() ' Set symbology barcode.Symbology = SymbologyType.Code39 ' Set value barcode.Value = "Sample" ' Clear http output Response.Clear() ' Set the content type to PNG Response.ContentType = "image/png" ' Add content type header Response.AddHeader("Content-Type", "image/png") ' Set the content disposition Response.AddHeader("Content-Disposition", "inline;filename=result.png") ' Save image to output stream barcode.SaveImage(Response.OutputStream, ImageFormat.Png) ' End response Response.End() 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/> <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"> <assemblies> <add assembly="System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/> <add assembly="System.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A"/></assemblies></compilation> <pages> <namespaces> <clear/> <add namespace="System"/> <add namespace="System.Collections"/> <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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