1. 从“项目”菜单中，选择“添加引用”。将显示“添加引用”对话框。

2. 从“.NET”选项卡上显示的列表框中，选择 Winforms 和 Drawing 组件。

1. 应打开 Program.cs 文件以供编辑。如果未打开，在“解决方案资源管理器”窗口中双击 Program.cs 文件。

2. 使用以下代码替换 Program.cs 文件中的现有代码。确保使用本地计算机上示例报表的有效路径来替换报表引用。不要向项目添加 Data.xml 和 Report.rdlc。下面以编程方式访问这些文件。

using System;using System.IO;using System.Data;using System.Text;using System.Drawing.Imaging;using System.Drawing.Printing;using System.Collections.Generic;using System.Windows.Forms;using Microsoft.Reporting.WinForms;public class Demo : IDisposable{    private int m_currentPageIndex;    private IList
       
         m_streams;    private DataTable LoadSalesData()    {        DataSet dataSet = new DataSet();        dataSet.ReadXml(@"c:\My Reports\data.xml");        return dataSet.Tables[0];    }    private Stream CreateStream(string name,       string fileNameExtension, Encoding encoding,      string mimeType, bool willSeek)    {
      　　　　
       

//string strPath = @"D:\Report\";

//if (System.IO.Directory.Exists(strPath) == false)

//{

// System.IO.Directory.CreateDirectory(strPath);

//}

//string filenameext = DateTime.Now.Year.ToString() + DateTime.Now.Day.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Hour.ToString() + DateTime.Now.Minute.ToString() + DateTime.Now.Second.ToString();

//string strFile = strPath + filenameext + name + "." + fileNameExtension;

//Stream stream = new FileStream(strFile, FileMode.Create);

//m_streams.Add(stream);

//return stream;

Stream stream = new FileStream(@"c:\My Reports\" + name +           "." + fileNameExtension, FileMode.Create);        m_streams.Add(stream);        return stream;    }    private void Export(LocalReport report)    {        string deviceInfo =          "
       
        " +          "  
        
         EMF
        " +          "  
        
         8.5in
        " +          "  
        
         11in
        " +          "  
        
         0.25in
        " +          "  
        
         0.25in
        " +          "  
        
         0.25in
        " +          "  
        
         0.25in
        " +          "
       ";        Warning[] warnings;        m_streams = new List
       
        ();        report.Render("Image", deviceInfo, CreateStream, out warnings);        foreach (Stream stream in m_streams)            stream.Position = 0;    }    private void PrintPage(object sender, PrintPageEventArgs ev)    {        Metafile pageImage = new Metafile(m_streams[m_currentPageIndex]);        ev.Graphics.DrawImage(pageImage, ev.PageBounds);        m_currentPageIndex++;        ev.HasMorePages = (m_currentPageIndex < m_streams.Count);    }    private void Print()    {
      　　
       

//if (m_streams == null || m_streams.Count == 0)

// return;

//PrintDocument printDoc = new PrintDocument();

//if (!printDoc.PrinterSettings.IsValid)

//{

// string msg = String.Format("Can't find printer \"{0}\".", "默认打印机!");

// MessageBox.Show(msg, "找不到默认打印机");

// return;

//}

//printDoc.PrintPage += new PrintPageEventHandler(PrintPage);

//printDoc.Print();

const string printerName = "Microsoft Office Document Image Writer";        if (m_streams == null || m_streams.Count == 0)            return;        PrintDocument printDoc = new PrintDocument();        printDoc.PrinterSettings.PrinterName = printerName;        if (!printDoc.PrinterSettings.IsValid)        {            string msg = String.Format("Can't find printer \"{0}\".", printerName);            MessageBox.Show(msg, "Print Error");            return;        }        printDoc.PrintPage += new PrintPageEventHandler(PrintPage);        printDoc.Print();    }    private void Run()    {        LocalReport report = new LocalReport();        report.ReportPath = @"c:\My Reports\Report.rdlc";        report.DataSources.Add(new ReportDataSource("Sales", LoadSalesData()));        Export(report);        m_currentPageIndex = 0;        Print();    }    public void Dispose()    {        if (m_streams != null)        {            foreach (Stream stream in m_streams)                stream.Close();            m_streams = null;        }    }    public static void Main(string[] args)    {        using (Demo demo = new Demo())        {            demo.Run();        }    }}

 

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