ByteScout Premium Suite - ASP.NET MVC C# - Read barcodes from pdf with barcode reader sdk - ByteScout

ByteScout Premium Suite – ASP.NET MVC C# – Read barcodes from pdf with barcode reader sdk

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How to read barcodes from pdf with barcode reader sdk in ASP.NET MVC C# using ByteScout Premium Suite

Learn to read barcodes from pdf with barcode reader sdk in ASP.NET MVC C#

On this page you will learn from code samples for programming in ASP.NET MVC C#.Writing of the code to read barcodes from pdf with barcode reader sdk in ASP.NET MVC C# can be executed by programmers of any level using ByteScout Premium Suite. What is ByteScout Premium Suite? It is the set that includes 12 SDK products from ByteScout including tools and components for PDF, barcodes, spreadsheets, screen video recording. It can help you to read barcodes from pdf with barcode reader sdk in your ASP.NET MVC C# application.

Want to quickly learn? This fast application programming interfaces of ByteScout Premium Suite for ASP.NET MVC C# plus the guidelines and the code below will help you quickly learn how to read barcodes from pdf with barcode reader sdk. Follow the instructions from scratch to work and copy the ASP.NET MVC C# code. Use of ByteScout Premium Suite in ASP.NET MVC C# is also described in the documentation included along with the product.

ByteScout provides the free trial version of ByteScout Premium Suite along with the documentation and source code samples.

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Default.aspx
      
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebTestSharp._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>Web Barcode Reader Tester (C#)</title> </head> <body> <form id="form1" runat="server"> <div> Click browse button to upload a PDF document<br /> <asp:FileUpload ID="FileUpload1" runat="server" /><br /> <br /> <asp:Button id="UploadButton" Text="Upload file" OnClick="UploadButton_Click" runat="server"> </asp:Button> <br /> <br /> <asp:Label id="UploadStatusLabel" Text="" runat="server"></asp:Label> <br /> <asp:ListBox ID="ListBox1" runat="server" Visible="False"></asp:ListBox><br /> <br /> </div> </form> </body> </html>

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Default.aspx.cs
      
using System; using Bytescout.BarCodeReader; namespace WebTestSharp { /* 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 */ public partial class _Default : System.Web.UI.Page { protected void UploadButton_Click(object sender, EventArgs e) { String savePath = @"\uploads\"; if (FileUpload1.HasFile) { String fileName = FileUpload1.FileName; savePath += fileName; FileUpload1.SaveAs(Server.MapPath(savePath)); Reader barcodeReader = new Reader(); // Limit search to 1D barcodes only (exclude 2D barcodes to speed up the search). // Change to barcodeReader.BarcodeTypesToFind.SetAll() to scan for all supported 1D and 2D barcodes // or select specific type, e.g. barcodeReader.BarcodeTypesToFind.PDF417 = True barcodeReader.BarcodeTypesToFind.SetAll1D(); // reader.MediumTrustLevelCompatible = true; // uncomment this line to enable Medium Trust compatible mode (slows down the recognition process as direct image data access is disabled in Medium Trust mode) UploadStatusLabel.Visible = false; ListBox1.Items.Clear(); ListBox1.Visible = true; ListBox1.Items.Add("Reading barcode(s) from PDF file \"" + fileName + "\""); FoundBarcode[] barcodes = barcodeReader.ReadFrom(Server.MapPath(savePath)); if (barcodes.Length == 0) { ListBox1.Items.Add("No barcodes found"); } else { foreach (FoundBarcode barcode in barcodes) { ListBox1.Items.Add(String.Format("Found barcode with type '{0}' and value '{1}' on page {2} at {3} ", barcode.Type, barcode.Value, barcode.Page, barcode.Rect.ToString())); } } } else { // Notify the user that a file was not uploaded. UploadStatusLabel.Text = "You did not specify a file to upload."; } } } }

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Default.aspx.designer.cs
      
//------------------------------------------------------------------------------ // <auto-generated> // This code was generated by a tool. // Runtime Version:2.0.50727.4927 // // Changes to this file may cause incorrect behavior and will be lost if // the code is regenerated. // </auto-generated> //------------------------------------------------------------------------------ namespace WebTestSharp { /// <summary> /// _Default class. /// </summary> /// <remarks> /// Auto-generated class. /// </remarks> public partial class _Default { /// <summary> /// form1 control. /// </summary> /// <remarks> /// Auto-generated field. /// To modify move field declaration from designer file to code-behind file. /// </remarks> protected global::System.Web.UI.HtmlControls.HtmlForm form1; /// <summary> /// FileUpload1 control. /// </summary> /// <remarks> /// Auto-generated field. /// To modify move field declaration from designer file to code-behind file. /// </remarks> protected global::System.Web.UI.WebControls.FileUpload FileUpload1; /// <summary> /// UploadButton control. /// </summary> /// <remarks> /// Auto-generated field. /// To modify move field declaration from designer file to code-behind file. /// </remarks> protected global::System.Web.UI.WebControls.Button UploadButton; /// <summary> /// UploadStatusLabel control. /// </summary> /// <remarks> /// Auto-generated field. /// To modify move field declaration from designer file to code-behind file. /// </remarks> protected global::System.Web.UI.WebControls.Label UploadStatusLabel; /// <summary> /// ListBox1 control. /// </summary> /// <remarks> /// Auto-generated field. /// To modify move field declaration from designer file to code-behind file. /// </remarks> protected global::System.Web.UI.WebControls.ListBox ListBox1; } }

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Web.config
      
<?xml version="1.0"?> <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. --> <compilation debug="true" /> <!-- 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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