.NET, C#, VB.NET Barcode Componenet for Crystal Reports for ASP.NET

How to Generate Barcode Images using Crystal Reports in ASP.NET Website

Prerequisites

BarcodeLib.Barcode.CrystalReports.dll

Microsoft .NET Framework 2.0 (or later)

Crystal Report for Visual Studio .NET 2010

Create Barcode Image in Crystal Reports for ASP.NET

Create a new ASP.NET website.

Create a new web site project using "ASP.NET Crystal Reports Web Site" as template, named "BarcodeforCrystalReportsWebSite".

Add a Crystal Report item to the project.

Add a new item (Crystal Report), named "CustomerReport.rpt" to the project. view image
Select Expert as "Mail Label". Click "OK" button. view image
In "Mailing Labels Report Creation Wizard", click "Create New Connection", and expand "ADO.NET". view image
In "ADO.NET" form, select "CustomerDataSet.xsd" file in your downloaded package, and click "Finish" button. view image
In "Mailing Labels Report Creation Wizard", add table "Customer" under "ADO.NET", to selected table. And click "Next" button. view image
Add all three fields "ID", "CustomerId", "CustomerName", to "Fields to Display:". Click "Next". view image
Select default label "Return Address (Avery 5267)", and click "Finish" button.
Now you can view the report template, and find that field "Barcode" not in the report template. view image
Re-arrange the report template. view image
Drag field "Barcode" to the report template. And Right click "Barcode" object, select "Format Object" menu. view image
In "Format Editor" form, check "Can Grow" property. view image

Add Crystal Report Viewer to the Default.aspx.

Add a reference to BarcodeLib.Barcode.CrystalReports.dll.
Add the following code to the Default.aspx.cs file.

     using System.Data.OleDb;
     using System.Drawing.Imaging;
     using BarcodeLib.Barcode.CrystalReports;
     using BarcodeLib.Barcode;


     protected void Page_Load(object sender, EventArgs e)
     {
     //create the database connection. Please change to correct data file (BarcodeDemoData.mdb) path.
     OleDbConnection aConnection = new OleDbConnection(
        "Provider=Microsoft.Jet.OLEDB.4.0;
        Data Source=C:/BarcodeLib_NETBarcode_Trial/ReportingData/BarcodeDemoData.mdb");
     aConnection.Open();
	
     OleDbDataAdapter dataAdapter = new OleDbDataAdapter("SELECT * FROM Customer", aConnection);
     DataSet ds = new DataSet();
     dataAdapter.Fill(ds);
	
     //Add the Barcode column to the DataSet
     ds.Tables[0].Columns.Add(new DataColumn("Barcode", typeof(byte[])));
	
     //Create an instance of Linear Barcode
     //Use DataMatrixCrystal for Data Matrix
     //Use PDF417Crystal for PDF417
     //Use QRCodeCrystal for QR Code
     LinearCrystal barcode = new LinearCrystal();
     //Barcode settings
     barcode.Type = BarcodeType.CODE128;
     barcode.BarHeight = 50; //50 pixel
     barcode.ImageFormat = System.Drawing.Imaging.ImageFormat.Png;
	
     foreach (DataRow dr in ds.Tables[0].Rows)
     {
        barcode.Data = (int)dr["CustomerId"] + "";
        byte[] imageData = barcode.drawBarcodeAsBytes();
        dr["Barcode"] = imageData;
     }
	
     CrystalReportSource1.ReportDocument.Load(Server.MapPath("CustomerReport.rpt"));
     CrystalReportSource1.ReportDocument.SetDataSource(ds.Tables[0]);
     CrystalReportSource1.DataBind();

     }

3. Run the project.

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