In Previous Articles i explained how to upload image into Database. In this article i explained How to upload pdf document with in asp.net application
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>
===================================================================
VB.NET Code
Imports System.Drawing
Imports Bytescout.BarCodeReader
Public Partial Class _Default
Inherits System.Web.UI.Page
Protected Sub UploadButton_Click(sender As Object, e As EventArgs)
Dim savePath As [String] = "\uploads\"
If FileUpload1.HasFile Then
Dim fileName As [String] = FileUpload1.FileName
savePath += fileName
FileUpload1.SaveAs(Server.MapPath(savePath))
Dim barcodeReader As New Reader()
' 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")
Dim barcodes As FoundBarcode() = barcodeReader.ReadFrom(Server.MapPath(savePath))
If barcodes.Length = 0 Then
ListBox1.Items.Add(" No barcodes found")
Else
For Each barcode As FoundBarcode In barcodes
ListBox1.Items.Add([String].Format(" Found barcode with type '{0}' and value '{1}'", barcode.Type, barcode.Value))
Next
End If
Else
' Notify the user that a file was not uploaded.
UploadStatusLabel.Text = "You did not specify a file to upload."
End If
End Sub
End Class
===================================================================
C#.NET Code
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Drawing.Imaging;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Drawing;
using System.Collections.Generic;
using Bytescout.BarCodeReader;
namespace WebTestSharp
{
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();
// 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 image #" + imgNum);
FoundBarcode[] barcodes = barcodeReader.ReadFrom(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}'", barcode.Type, barcode.Value));
}
}
else
{
// Notify the user that a file was not uploaded.
UploadStatusLabel.Text = "You did not specify a file to upload.";
}
}
}
}
=====================================================================
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