ByteScout Barcode Reader SDK – ASP.NET – Batch Read Barcodes To CSV

ByteScout Barcode Reader SDK – ASP.NET – Batch Read Barcodes To CSV

Default.aspx.cs

using Bytescout.BarCodeReader;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace ImagePDFBarcodeToCSV
{
    public partial class Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void btnImagePDFBarcodeToCSV_Click(object sender, EventArgs e)
        {
            //Read Barcode Process
            Reader reader = new Reader();
            reader.RegistrationKey = "demo";
            reader.RegistrationName = "demo";

            // Set Barcode type to find
            reader.BarcodeTypesToFind.All = true;

            // Output list
            List<CSVOutputFormat> lstCSVOutput = new List<CSVOutputFormat>();

            // Get all files in folder, and iterate through each file
            var files = System.IO.Directory.GetFiles(Request.MapPath("~/BarcodeFiles"));
            foreach (var fileName in files)
            {
                // Read barcodes
                FoundBarcode[] barcodes = reader.ReadFrom(fileName);

                foreach (FoundBarcode code in barcodes)
                {
                    lstCSVOutput.Add(new CSVOutputFormat { barcodeValue = code.Value, barcodeType = code.Type.ToString(), scanDateTime = DateTime.Now.ToString(), fileName = fileName });
                }
            }

            // Set info text
            lblInfo.Text = string.Format("Total {0} barcode found in {1} file.", lstCSVOutput.Count, files.Length);

            // Export to CSV
            ExportToCsv(lstCSVOutput, Response); 
        }


        /// <summary>
        /// Exports to CSV
        /// </summary>
        /// <param name="lstCSVOutput"></param>
        private static void ExportToCsv(List<CSVOutputFormat> lstCSVOutput, HttpResponse response)
        {
            System.Text.StringBuilder csvOutputContent = new System.Text.StringBuilder(string.Empty);

            csvOutputContent.Append("Barcode Value,Barcode Type,Scan DateTime,File Name");

            foreach (var item in lstCSVOutput)
            {
                csvOutputContent.AppendFormat("\r\n{0},{1},{2},{3}", item.barcodeValue, item.barcodeType, item.scanDateTime, item.fileName);
            }

            // Perform download of file
            response.Clear();
            response.ClearHeaders();

            response.AppendHeader("Content-Length", csvOutputContent.Length.ToString());
            response.ContentType = "text/csv";
            response.AppendHeader("Content-Disposition", "attachment;filename=\"output.csv\"");

            response.Write(csvOutputContent.ToString());
            response.End();
        }
    }

    class CSVOutputFormat
    {
        public string barcodeValue { get; set; }
        public string barcodeType { get; set; }
        public string scanDateTime { get; set; }
        public string fileName { get; set; }
    }

}

Web.config

<?xml version="1.0" encoding="utf-8"?>

<!--
  For more information on how to configure your ASP.NET application, please visit
  https://go.microsoft.com/fwlink/?LinkId=169433
  -->

<configuration>
    <system.web>
      <compilation debug="true" targetFramework="4.0" />
    </system.web>

</configuration>

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