ByteScout Barcode Suite - ASP.NET VB - Generate barcode in WebImage control in VB with BarCode SDK.NET - ByteScout

ByteScout Barcode Suite – ASP.NET VB – Generate barcode in WebImage control in VB with BarCode SDK.NET

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

Learn to generate barcode in webimage control in VB with barcode SDK in ASP.NET VB

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: the set that includes three different SDK products to generate barcodes, read barcodes and read and write spreadsheets: Barcode SDK, Barcode Reader SDK and Spreadsheet SDK. It can generate barcode in webimage control in VB with barcode SDK in ASP.NET VB.

This prolific sample source code in ASP.NET VB for ByteScout Barcode Suite contains various functions and other necessary options you should do calling the API to generate barcode in webimage control in VB with barcode SDK. 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. Use of ByteScout Barcode Suite in ASP.NET VB is also described in the documentation included along with the product.

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

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Default.aspx
      
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="Default.aspx.vb" Inherits="VBWebImageTester._Default" %> <%@ Register Assembly="Bytescout.BarCode" Namespace="Bytescout.BarCode" TagPrefix="cc1" %> <!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>BarcodeWebImage test page</title> </head> <body> <form id="form1" runat="server"> <div> <cc1:BarcodeWebImage ID="BarcodeWebImage1" runat="server" RenderingHint="SystemDefault" SmoothingMode="Default" Value="DATA" ForeColor="Black" HorizontalAlignment="Right" Angle="Degrees0" CaptionPosition="Below" NarrowBarWidth="3" VerticalAlignment="Top" AddChecksum="False" AddChecksumToCaption="False" AdditionalCaptionPosition="Above" AdditionalCaptionFont="Arial, 13pt" BackColor="White" BarHeight="50" CaptionFont="Arial, 13pt" DrawCaption="True" WideToNarrowRatio="3" Symbology="Code128" AdditionalCaption=" "> </cc1:BarcodeWebImage> <br /> <br /> If you are using web control in new application you do need to modify the <strong>Web.config </strong>file in your application&#39;s virtual directory (or C:\Inetpub\wwwroot\ if you don&#39;t have a separate application):<br /> <br /> For Visual Studio 2005 - 2010 insert the following lines into <strong>&lt;system.web&gt;</strong> section of <strong>Web.config</strong>: <br /> <div class="code"> <span codelanguage="other"><em> <br /> &lt;httpHandlers&gt;<br /> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;add verb="*" path="BarcodeHandler.aspx" type="Bytescout.BarCode.BarcodeHandler, Bytescout.BarCode"/&gt;<br /> &lt;/httpHandlers&gt;</em><br /> </span> </div> <br /> For Visual Studio 2012 and later insert the following lines into <strong>&lt;system.webServer&gt;</strong> section of <strong>Web.config</strong>: <br /> <div class="code"> <span codelanguage="other"><em> <br /> &lt;httpHandlers&gt;<br /> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;add verb="*" path="BarcodeHandler.aspx" type="Bytescout.BarCode.BarcodeHandler, Bytescout.BarCode"/&gt;<br /> &lt;/httpHandlers&gt;<br /> &lt;validation validateIntegratedModeConfiguration="false"/&gt;</em><br /> </span> </div> </div> </form> </body> </html>

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Default.aspx.designer.vb
      
'------------------------------------------------------------------------------ ' <auto-generated> ' This code was generated by a tool. ' Runtime Version:2.0.50727.7905 ' ' Changes to this file may cause incorrect behavior and will be lost if ' the code is regenerated. ' </auto-generated> '------------------------------------------------------------------------------ Option Strict Off Option Explicit On '''<summary> '''_Default class. '''</summary> '''<remarks> '''Auto-generated class. '''</remarks> Partial Public Class _Default '''<summary> '''form1 control. '''</summary> '''<remarks> '''Auto-generated field. '''To modify move field declaration from designer file to code-behind file. '''</remarks> Protected WithEvents form1 As Global.System.Web.UI.HtmlControls.HtmlForm '''<summary> '''BarcodeWebImage1 control. '''</summary> '''<remarks> '''Auto-generated field. '''To modify move field declaration from designer file to code-behind file. '''</remarks> Protected WithEvents BarcodeWebImage1 As Global.Bytescout.BarCode.BarcodeWebImage End Class

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Default.aspx.vb
      
Partial Public 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 End Sub End Class

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Web.config
      
<?xml version="1.0"?> <configuration> <appSettings/> <connectionStrings/> <system.web> <httpHandlers> <add verb="*" path="BarcodeHandler.aspx" type="Bytescout.BarCode.BarcodeHandler, Bytescout.BarCode"/> </httpHandlers> <!-- 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="true" 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> <system.webServer> <handlers> <add name="BarcodeHandler" verb="*" path="BarcodeHandler.aspx" type="Bytescout.BarCode.BarcodeHandler, Bytescout.BarCode"/> </handlers> <validation validateIntegratedModeConfiguration="false"/> </system.webServer> </configuration>

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