using System;
using System.Collections.Generic;
using System.Windows.Forms;

namespace BarcodeInCrystalReports
{
    static class Program
    {
        [STAThread]
        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new Form1());
        }
    }
}

//------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated by a tool.
//     Runtime Version:4.0.30319.34014
// 
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------

namespace BarcodeInCrystalReports {
    using System;
    using System.ComponentModel;
    using CrystalDecisions.Shared;
    using CrystalDecisions.ReportSource;
    using CrystalDecisions.CrystalReports.Engine;


    public class CrystalReport1 : ReportClass {

        public CrystalReport1() {
        }

        public override string ResourceName {
            get {
                return "CrystalReport1.rpt";
            }
            set {
                // Do nothing
            }
        }

        public override bool NewGenerator {
            get {
                return true;
            }
            set {
                // Do nothing
            }
        }

        public override string FullResourceName {
            get {
                return "BarcodeInCrystalReports.CrystalReport1.rpt";
            }
            set {
                // Do nothing
            }
        }

        [Browsable(false)]
        [DesignerSerializationVisibilityAttribute(System.ComponentModel.DesignerSerializationVisibility.Hidden)]
        public CrystalDecisions.CrystalReports.Engine.Section Section1 {
            get {
                return this.ReportDefinition.Sections[0];
            }
        }

        [Browsable(false)]
        [DesignerSerializationVisibilityAttribute(System.ComponentModel.DesignerSerializationVisibility.Hidden)]
        public CrystalDecisions.CrystalReports.Engine.Section Section2 {
            get {
                return this.ReportDefinition.Sections[1];
            }
        }

        [Browsable(false)]
        [DesignerSerializationVisibilityAttribute(System.ComponentModel.DesignerSerializationVisibility.Hidden)]
        public CrystalDecisions.CrystalReports.Engine.Section Section3 {
            get {
                return this.ReportDefinition.Sections[2];
            }
        }

        [Browsable(false)]
        [DesignerSerializationVisibilityAttribute(System.ComponentModel.DesignerSerializationVisibility.Hidden)]
        public CrystalDecisions.CrystalReports.Engine.Section Section4 {
            get {
                return this.ReportDefinition.Sections[3];
            }
        }

        [Browsable(false)]
        [DesignerSerializationVisibilityAttribute(System.ComponentModel.DesignerSerializationVisibility.Hidden)]
        public CrystalDecisions.CrystalReports.Engine.Section Section5 {
            get {
                return this.ReportDefinition.Sections[4];
            }
        }
    }

    [System.Drawing.ToolboxBitmapAttribute(typeof(CrystalDecisions.Shared.ExportOptions), "report.bmp")]
    public class CachedCrystalReport1 : Component, ICachedReport {

        public CachedCrystalReport1() {
        }

        [Browsable(false)]
        [DesignerSerializationVisibilityAttribute(System.ComponentModel.DesignerSerializationVisibility.Hidden)]
        public virtual bool IsCacheable {
            get {
                return true;
            }
            set {
                // 
            }
        }

        [Browsable(false)]
        [DesignerSerializationVisibilityAttribute(System.ComponentModel.DesignerSerializationVisibility.Hidden)]
        public virtual bool ShareDBLogonInfo {
            get {
                return false;
            }
            set {
                // 
            }
        }

        [Browsable(false)]
        [DesignerSerializationVisibilityAttribute(System.ComponentModel.DesignerSerializationVisibility.Hidden)]
        public virtual System.TimeSpan CacheTimeOut {
            get {
                return CachedReportConstants.DEFAULT_TIMEOUT;
            }
            set {
                // 
            }
        }

        public virtual CrystalDecisions.CrystalReports.Engine.ReportDocument CreateReport() {
            CrystalReport1 rpt = new CrystalReport1();
            rpt.Site = this.Site;
            return rpt;
        }

        public virtual string GetCustomizedCacheKey(RequestContext request) {
            String key = null;
            // // The following is the code used to generate the default
            // // cache key for caching report jobs in the ASP.NET Cache.
            // // Feel free to modify this code to suit your needs.
            // // Returning key == null causes the default cache key to
            // // be generated.
            // 
            // key = RequestContext.BuildCompleteCacheKey(
            //     request,
            //     null,       // sReportFilename
            //     this.GetType(),
            //     this.ShareDBLogonInfo );
            return key;
        }
    }
}

using System;
using System.Data;
using System.Data.OleDb;
using System.Windows.Forms;
using Bytescout.BarCode;

namespace BarcodeInCrystalReports
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void crystalReportViewer1_Load(object sender, EventArgs e)
        {
            try
            {
                OleDbConnection connection = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=products.mdb");
                OleDbDataAdapter dataAdapter = new OleDbDataAdapter("SELECT ID, ProductName, ProductDescription, ProductPrice FROM Products", connection);

                // fill dataset
                DataSet dataSet = new DataSet();
                dataAdapter.Fill(dataSet);

                connection.Close();

                // add virtual column into the result table
                dataSet.Tables[0].Columns.Add(new DataColumn("BarcodeImage", typeof(byte[])));

                // create barcode object
                Barcode barcode = new Barcode(SymbologyType.Code128);
                barcode.DrawCaption = false;

                // Fill BarcodeImage column with generated barcode image bytes
                foreach (DataRow row in dataSet.Tables[0].Rows)
                {
                    // set barcode value
                    barcode.Value = Convert.ToString(row["ID"]);

                    // retrieve generated image bytes
                    byte[] barcodeBytes = barcode.GetImageBytesWMF();

                    // fill virtual column with generated image bytes
                    row["BarcodeImage"] = barcodeBytes;
                }

                // set filled DataSet as report's data source
                CrystalReport11.SetDataSource(dataSet.Tables[0]);
            }
            catch (Exception ex)
            {
                MessageBox.Show("Error: " + ex.Message);
            }
        }
    }
}

<?xml version="1.0" encoding="utf-8"?>
<xs:schema id="ProductsDataSet" targetNamespace="http://tempuri.org/ProductsDataSet.xsd" xmlns:mstns="http://tempuri.org/ProductsDataSet.xsd" xmlns="http://tempuri.org/ProductsDataSet.xsd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" xmlns:msprop="urn:schemas-microsoft-com:xml-msprop" attributeFormDefault="qualified" elementFormDefault="qualified">
  <xs:annotation>
    <xs:appinfo source="urn:schemas-microsoft-com:xml-msdatasource">
      <DataSource DefaultConnectionIndex="0" FunctionsComponentName="QueriesTableAdapter" Modifier="AutoLayout, AnsiClass, Class, Public" SchemaSerializationMode="IncludeSchema" xmlns="urn:schemas-microsoft-com:xml-msdatasource">
        <Connections>
          <Connection AppSettingsObjectName="Settings" AppSettingsPropertyName="productsConnectionString" ConnectionStringObject="" IsAppSettingsProperty="true" Modifier="Assembly" Name="productsConnectionString (Settings)" PropertyReference="ApplicationSettings.CrystalReportsApplication1.Properties.Settings.GlobalReference.Default.productsConnectionString" Provider="System.Data.OleDb" />
        </Connections>
        <Tables>
          <TableAdapter BaseClass="System.ComponentModel.Component" DataAccessorModifier="AutoLayout, AnsiClass, Class, Public" DataAccessorName="ProductsTableAdapter" GeneratorDataComponentClassName="ProductsTableAdapter" Name="Products" UserDataComponentName="ProductsTableAdapter">
            <MainSource>
              <DbSource ConnectionRef="productsConnectionString (Settings)" DbObjectName="Products" DbObjectType="Table" FillMethodModifier="Public" FillMethodName="Fill" GenerateMethods="Both" GenerateShortCommands="true" GeneratorGetMethodName="GetData" GeneratorSourceName="Fill" GetMethodModifier="Public" GetMethodName="GetData" QueryType="Rowset" ScalarCallRetval="System.Object, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" UseOptimisticConcurrency="true" UserGetMethodName="GetData" UserSourceName="Fill">
                <DeleteCommand>
                  <DbCommand CommandType="Text" ModifiedByUser="false">
                    <CommandText>DELETE FROM `Products` WHERE ((`ID` = ?) AND ((? = 1 AND `ProductName` IS NULL) OR (`ProductName` = ?)) AND ((? = 1 AND `ProductDescription` IS NULL) OR (`ProductDescription` = ?)) AND ((? = 1 AND `ProductPrice` IS NULL) OR (`ProductPrice` = ?)))</CommandText>
                    <Parameters>
                      <Parameter AllowDbNull="false" AutogeneratedName="" DataSourceName="" DbType="Int32" Direction="Input" ParameterName="Original_ID" Precision="0" ProviderType="Integer" Scale="0" Size="0" SourceColumn="ID" SourceColumnNullMapping="false" SourceVersion="Original" />
                      <Parameter AllowDbNull="true" AutogeneratedName="" DataSourceName="" DbType="Int32" Direction="Input" ParameterName="IsNull_ProductName" Precision="0" ProviderType="Integer" Scale="0" Size="0" SourceColumn="ProductName" SourceColumnNullMapping="true" SourceVersion="Original" />
                      <Parameter AllowDbNull="true" AutogeneratedName="" DataSourceName="" DbType="String" Direction="Input" ParameterName="Original_ProductName" Precision="0" ProviderType="VarWChar" Scale="0" Size="0" SourceColumn="ProductName" SourceColumnNullMapping="false" SourceVersion="Original" />
                      <Parameter AllowDbNull="true" AutogeneratedName="" DataSourceName="" DbType="Int32" Direction="Input" ParameterName="IsNull_ProductDescription" Precision="0" ProviderType="Integer" Scale="0" Size="0" SourceColumn="ProductDescription" SourceColumnNullMapping="true" SourceVersion="Original" />
                      <Parameter AllowDbNull="true" AutogeneratedName="" DataSourceName="" DbType="String" Direction="Input" ParameterName="Original_ProductDescription" Precision="0" ProviderType="VarWChar" Scale="0" Size="0" SourceColumn="ProductDescription" SourceColumnNullMapping="false" SourceVersion="Original" />
                      <Parameter AllowDbNull="true" AutogeneratedName="" DataSourceName="" DbType="Int32" Direction="Input" ParameterName="IsNull_ProductPrice" Precision="0" ProviderType="Integer" Scale="0" Size="0" SourceColumn="ProductPrice" SourceColumnNullMapping="true" SourceVersion="Original" />
                      <Parameter AllowDbNull="true" AutogeneratedName="" DataSourceName="" DbType="String" Direction="Input" ParameterName="Original_ProductPrice" Precision="0" ProviderType="VarWChar" Scale="0" Size="0" SourceColumn="ProductPrice" SourceColumnNullMapping="false" SourceVersion="Original" />
                    </Parameters>
                  </DbCommand>
                </DeleteCommand>
                <InsertCommand>
                  <DbCommand CommandType="Text" ModifiedByUser="false">
                    <CommandText>INSERT INTO `Products` (`ProductName`, `ProductDescription`, `ProductPrice`) VALUES (?, ?, ?)</CommandText>
                    <Parameters>
                      <Parameter AllowDbNull="true" AutogeneratedName="" DataSourceName="" DbType="String" Direction="Input" ParameterName="ProductName" Precision="0" ProviderType="VarWChar" Scale="0" Size="0" SourceColumn="ProductName" SourceColumnNullMapping="false" SourceVersion="Current" />
                      <Parameter AllowDbNull="true" AutogeneratedName="" DataSourceName="" DbType="String" Direction="Input" ParameterName="ProductDescription" Precision="0" ProviderType="VarWChar" Scale="0" Size="0" SourceColumn="ProductDescription" SourceColumnNullMapping="false" SourceVersion="Current" />
                      <Parameter AllowDbNull="true" AutogeneratedName="" DataSourceName="" DbType="String" Direction="Input" ParameterName="ProductPrice" Precision="0" ProviderType="VarWChar" Scale="0" Size="0" SourceColumn="ProductPrice" SourceColumnNullMapping="false" SourceVersion="Current" />
                    </Parameters>
                  </DbCommand>
                </InsertCommand>
                <SelectCommand>
                  <DbCommand CommandType="Text" ModifiedByUser="false">
                    <CommandText>SELECT ID, ProductName, ProductDescription, ProductPrice FROM Products</CommandText>
                    <Parameters />
                  </DbCommand>
                </SelectCommand>
                <UpdateCommand>
                  <DbCommand CommandType="Text" ModifiedByUser="false">
                    <CommandText>UPDATE `Products` SET `ProductName` = ?, `ProductDescription` = ?, `ProductPrice` = ? WHERE ((`ID` = ?) AND ((? = 1 AND `ProductName` IS NULL) OR (`ProductName` = ?)) AND ((? = 1 AND `ProductDescription` IS NULL) OR (`ProductDescription` = ?)) AND ((? = 1 AND `ProductPrice` IS NULL) OR (`ProductPrice` = ?)))</CommandText>
                    <Parameters>
                      <Parameter AllowDbNull="true" AutogeneratedName="" DataSourceName="" DbType="String" Direction="Input" ParameterName="ProductName" Precision="0" ProviderType="VarWChar" Scale="0" Size="0" SourceColumn="ProductName" SourceColumnNullMapping="false" SourceVersion="Current" />
                      <Parameter AllowDbNull="true" AutogeneratedName="" DataSourceName="" DbType="String" Direction="Input" ParameterName="ProductDescription" Precision="0" ProviderType="VarWChar" Scale="0" Size="0" SourceColumn="ProductDescription" SourceColumnNullMapping="false" SourceVersion="Current" />
                      <Parameter AllowDbNull="true" AutogeneratedName="" DataSourceName="" DbType="String" Direction="Input" ParameterName="ProductPrice" Precision="0" ProviderType="VarWChar" Scale="0" Size="0" SourceColumn="ProductPrice" SourceColumnNullMapping="false" SourceVersion="Current" />
                      <Parameter AllowDbNull="false" AutogeneratedName="" DataSourceName="" DbType="Int32" Direction="Input" ParameterName="Original_ID" Precision="0" ProviderType="Integer" Scale="0" Size="0" SourceColumn="ID" SourceColumnNullMapping="false" SourceVersion="Original" />
                      <Parameter AllowDbNull="true" AutogeneratedName="" DataSourceName="" DbType="Int32" Direction="Input" ParameterName="IsNull_ProductName" Precision="0" ProviderType="Integer" Scale="0" Size="0" SourceColumn="ProductName" SourceColumnNullMapping="true" SourceVersion="Original" />
                      <Parameter AllowDbNull="true" AutogeneratedName="" DataSourceName="" DbType="String" Direction="Input" ParameterName="Original_ProductName" Precision="0" ProviderType="VarWChar" Scale="0" Size="0" SourceColumn="ProductName" SourceColumnNullMapping="false" SourceVersion="Original" />
                      <Parameter AllowDbNull="true" AutogeneratedName="" DataSourceName="" DbType="Int32" Direction="Input" ParameterName="IsNull_ProductDescription" Precision="0" ProviderType="Integer" Scale="0" Size="0" SourceColumn="ProductDescription" SourceColumnNullMapping="true" SourceVersion="Original" />
                      <Parameter AllowDbNull="true" AutogeneratedName="" DataSourceName="" DbType="String" Direction="Input" ParameterName="Original_ProductDescription" Precision="0" ProviderType="VarWChar" Scale="0" Size="0" SourceColumn="ProductDescription" SourceColumnNullMapping="false" SourceVersion="Original" />
                      <Parameter AllowDbNull="true" AutogeneratedName="" DataSourceName="" DbType="Int32" Direction="Input" ParameterName="IsNull_ProductPrice" Precision="0" ProviderType="Integer" Scale="0" Size="0" SourceColumn="ProductPrice" SourceColumnNullMapping="true" SourceVersion="Original" />
                      <Parameter AllowDbNull="true" AutogeneratedName="" DataSourceName="" DbType="String" Direction="Input" ParameterName="Original_ProductPrice" Precision="0" ProviderType="VarWChar" Scale="0" Size="0" SourceColumn="ProductPrice" SourceColumnNullMapping="false" SourceVersion="Original" />
                    </Parameters>
                  </DbCommand>
                </UpdateCommand>
              </DbSource>
            </MainSource>
            <Mappings>
              <Mapping SourceColumn="ID" DataSetColumn="ID" />
              <Mapping SourceColumn="ProductName" DataSetColumn="ProductName" />
              <Mapping SourceColumn="ProductDescription" DataSetColumn="ProductDescription" />
              <Mapping SourceColumn="ProductPrice" DataSetColumn="ProductPrice" />
            </Mappings>
            <Sources />
          </TableAdapter>
        </Tables>
        <Sources />
      </DataSource>
    </xs:appinfo>
  </xs:annotation>
  <xs:element name="ProductsDataSet" msdata:IsDataSet="true" msdata:UseCurrentLocale="true" msprop:EnableTableAdapterManager="True" msprop:Generator_DataSetName="ProductsDataSet" msprop:Generator_UserDSName="ProductsDataSet">
    <xs:complexType>
      <xs:choice minOccurs="0" maxOccurs="unbounded">
        <xs:element name="Products" msprop:Generator_TableClassName="ProductsDataTable" msprop:Generator_TableVarName="tableProducts" msprop:Generator_RowChangedName="ProductsRowChanged" msprop:Generator_TablePropName="Products" msprop:Generator_RowDeletingName="ProductsRowDeleting" msprop:Generator_RowChangingName="ProductsRowChanging" msprop:Generator_RowEvHandlerName="ProductsRowChangeEventHandler" msprop:Generator_RowDeletedName="ProductsRowDeleted" msprop:Generator_RowClassName="ProductsRow" msprop:Generator_UserTableName="Products" msprop:Generator_RowEvArgName="ProductsRowChangeEvent">
          <xs:complexType>
            <xs:sequence>
              <xs:element name="ID" msdata:AutoIncrement="true" msdata:AutoIncrementSeed="-1" msdata:AutoIncrementStep="-1" msprop:Generator_ColumnVarNameInTable="columnID" msprop:Generator_ColumnPropNameInRow="ID" msprop:Generator_ColumnPropNameInTable="IDColumn" msprop:Generator_UserColumnName="ID" type="xs:int" />
              <xs:element name="ProductName" msprop:Generator_ColumnVarNameInTable="columnProductName" msprop:Generator_ColumnPropNameInRow="ProductName" msprop:Generator_ColumnPropNameInTable="ProductNameColumn" msprop:Generator_UserColumnName="ProductName" minOccurs="0">
                <xs:simpleType>
                  <xs:restriction base="xs:string">
                    <xs:maxLength value="255" />
                  </xs:restriction>
                </xs:simpleType>
              </xs:element>
              <xs:element name="ProductDescription" msprop:Generator_ColumnVarNameInTable="columnProductDescription" msprop:Generator_ColumnPropNameInRow="ProductDescription" msprop:Generator_ColumnPropNameInTable="ProductDescriptionColumn" msprop:Generator_UserColumnName="ProductDescription" minOccurs="0">
                <xs:simpleType>
                  <xs:restriction base="xs:string">
                    <xs:maxLength value="255" />
                  </xs:restriction>
                </xs:simpleType>
              </xs:element>
              <xs:element name="ProductPrice" msprop:Generator_ColumnVarNameInTable="columnProductPrice" msprop:Generator_ColumnPropNameInRow="ProductPrice" msprop:Generator_ColumnPropNameInTable="ProductPriceColumn" msprop:Generator_UserColumnName="ProductPrice" minOccurs="0">
                <xs:simpleType>
                  <xs:restriction base="xs:string">
                    <xs:maxLength value="255" />
                  </xs:restriction>
                </xs:simpleType>
              </xs:element>
              <xs:element name="BarcodeImage" msprop:Generator_ColumnVarNameInTable="columnBarcodeImage" msprop:Generator_ColumnPropNameInRow="BarcodeImage" msprop:Generator_ColumnPropNameInTable="BarcodeImageColumn" msprop:Generator_UserColumnName="BarcodeImage" type="xs:base64Binary" minOccurs="0" />
            </xs:sequence>
          </xs:complexType>
        </xs:element>
      </xs:choice>
    </xs:complexType>
    <xs:unique name="Constraint1" msdata:PrimaryKey="true">
      <xs:selector xpath=".//mstns:Products" />
      <xs:field xpath="mstns:ID" />
    </xs:unique>
  </xs:element>
</xs:schema>