//加载报表一个类 （表示不用连接到报表服务器而在本地处理和呈现的报表。）        　　LocalReport report = new LocalReport();/*             这里创建二张表dt1=rdlcbiz.Get_tj_sqdlx_hd(tjbh, tjcs）　　　　　　　　和dt2=rdlcbiz.Get_v_tj_tjdjb(tjbh, tjcs) 是根据方法来查询数据得到的两张表。　　　　　 　*/            DataTable dt1 = rdlcbiz.Get_tj_sqdlx_hd(tjbh, tjcs);DataTable dt2 = rdlcbiz.Get_v_tj_tjdjb(tjbh, tjcs);
　　　　　　　//加载报表的路径　　　            report.ReportPath = Application.StartupPath + @"/rdlcreport/Report_tjsqd.rdlc";//以图片显示            report.EnableExternalImages = true;
　　　　　　　/*       　　　　这里要要注意的：根据设计报表时需要传入参数值（ReportParameter） ReportParameter rp1 = new ReportParameter("tjdw", str_tjdw);//第 个参数是变量，第二个参数是值

　　　　　　　　以下代码：是向报表Report_tjsqd.rdlc中传入参数变量为tjdw，barcode并且把值传进到           */　            ReportParameter rp1 = new ReportParameter("tjdw", str_tjdw);ReportParameter rp2 = new ReportParameter("barcode", str_path);　　　　　　　//清除之前的报表数据　            report.DataSources.Clear();
　　　　　　　//设置好的报表参数以数组的形式传入            report.SetParameters(new ReportParameter[] { rp1, rp2 });
　　　　　　　//获得报表使用的数据源集合，并且添加一个构造命名的数据源集合“ReportDataSource("PEISDataSet_tj_sqdlx_hd", dt1))”            report.DataSources.Add(new ReportDataSource("PEISDataSet_tj_sqdlx_hd", dt1));report.DataSources.Add(new ReportDataSource("PEISDataSet_v_tj_tjdjb", dt2));//RdlcPrintNew这是一个打印的类也调用硬件的类（一会儿会重点讲）            RdlcPrintNew rdlcprint = new RdlcPrintNew();rdlcprint.Run(report, "报表打印名称（可以修改）", false, "A4");//第一个参数:是本地报表，第二参数是报表打印名称（可以修改） 第三个参数是否显示打印设置对话框

using System;
using System.IO;
using System.Data;
using System.Text;
using System.Drawing.Imaging;
using System.Drawing.Printing;
using System.Collections.Generic;
using Microsoft.Reporting.WinForms;
using System.Windows.Forms;
using System.Drawing;namespace PEIS.xtgg
{public class RdlcPrintNew : IDisposable{string PaperName = "";//纸张名字string PageWidth = "";//纸张宽度string PageHeight = "";//纸张高度string MarginTop = "";//上边距string MarginLeft = "";//左边距string MarginRight = "";//右边距string MarginBottom = "";//下边距string PagePrinter = "";//打印机private bool hxdy = false;int m_PageIndex = 0;//需要打印的当前页 2012-08-14/// <summary>/// 获取一个值，指示是否为横向打印，默认为纵向/// </summary>public bool Hxdy{set { hxdy = value; }}/// <summary>/// 用来记录当前打印到第几页了/// </summary>private int m_currentPageIndex;/// <summary>/// //声明一个Stream对象的列表用来保存报表的输出数据  ///LocalReport对象的Render方法会将报表按页输出为多个Stream对象。/// </summary>private IList<Stream> m_streams;//文件流///用来提供Stream对象的函数，用于LocalReport对象的Render方法的第三个参数/// 提供 Stream 对象以进行呈现的 CreateStreamCallback 委托指向的方法  /// 这里为将报表的每一个页面作为一个EMF图片存放，通常用于报表呈现  /// </summary>  /// <param name="name">流的名称</param>  /// <param name="fileNameExtension">创建文件流时要使用的文件扩展名</param>  /// <param name="encoding">指定流的字符编码的 Encoding 枚举器值。如果流不包含字符，则此值可能为 null。</param>  /// <param name="mimeType">一个包含流的 MIME 类型的 string</param>  /// <param name="willSeek">指示流是否需要支持查找的 Boolean 值。如果值为 false，则流将为只前推，并将按其创建顺序发送到块区中的客户端。如果值为 true，则流可以任何顺序写入。</param>  /// <returns>ReportViewer 控件可以写入数据的 Stream 对象</returns>  private Stream CreateStream(string name, string fileNameExtension, Encoding encoding, string mimeType, bool willSeek){//如果需要将报表输出的数据保存为文件，请使用FileStream对象。Stream stream = new FileStream(name + XtNumber.Name.ToString() + "." + fileNameExtension, FileMode.Create);m_streams.Add(stream);return stream;}/// <summary>/// 导出报表的每一个页面到一个EMF文件   /// </summary>/// <param name="report">ReportViewer.LocalReport</param>/// <param name="PageName">页面设置</param>private void Export(LocalReport report, string PageName){string deviceInfo = "";if (PageName == "")//单据名称
            {deviceInfo ="<DeviceInfo>" +"  <OutputFormat>EMF</OutputFormat>" +"  <PageWidth>21cm</PageWidth>" +"  <PageHeight>29.7cm</PageHeight>" +"  <MarginTop>1cm</MarginTop>" +"  <MarginLeft>1cm</MarginLeft>" +"  <MarginRight>1cm</MarginRight>" +"  <MarginBottom>1cm</MarginBottom>" +"</DeviceInfo>";}else{deviceInfo ="<DeviceInfo>" +"  <OutputFormat>EMF</OutputFormat>" +"  <PageWidth>" + PageWidth + "</PageWidth>" +"  <PageHeight>" + PageHeight + "</PageHeight>" +"  <MarginTop>" + MarginTop + "</MarginTop>" +"  <MarginLeft>" + MarginLeft + "</MarginLeft>" +"  <MarginRight>" + MarginRight + "</MarginRight>" +"  <MarginBottom>" + MarginBottom + "</MarginBottom>" +"</DeviceInfo>"; }Warning[] warnings;m_streams = new List<Stream>();try{//report.DisplayName = PageName;////将报表的内容按照deviceInfo指定的格式输出到CreateStream函数提供的Stream中。report.Render("Image", deviceInfo, CreateStream, out warnings);report.Dispose();}catch (Exception ex){Exception innerEx = ex.InnerException;//取内异常。因为内异常的信息才有用，才能排除问题。   while (innerEx != null){MessageBox.Show(innerEx.Message);innerEx = innerEx.InnerException;}}foreach (Stream stream in m_streams){stream.Position = 0;}}/// <summary>/// 缩略图形的调用函数/// </summary>/// <returns></returns>public bool DelegateGetThumbnailImageAbort(){return false;}/// <summary>   /// 当前页打印的输出   /// </summary>   /// <param name="sender"></param>   /// <param name="ev"></param>   private void PrintPage(object sender, PrintPageEventArgs ev){if (m_PageIndex == 0)//没有指定页码打印所有的
            {//把数据流转化把EMF矢量图片 Metafile pageImage = new Metafile(m_streams[m_currentPageIndex]);
//设置高质量插值法
                ev.Graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;//设置高质量,低速度呈现平滑程度
ev.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;//在指定位置并且按指定大小绘制原图片的指定部分 ev.Graphics.DrawImage(原始图片, new System.Drawing.Rectangle(0, 0, 缩略图片的宽, 缩略图片的高), new System.Drawing.Rectangle(0, 0, 原始图片的宽, 原始图片的高), System.Drawing.GraphicsUnit.Pixel);ev.Graphics.DrawImage(pageImage, new System.Drawing.Rectangle(0, 0, ev.PageBounds.Width, ev.PageBounds.Height), new System.Drawing.Rectangle(0, 0, pageImage.Width, pageImage.Height), System.Drawing.GraphicsUnit.Pixel);m_currentPageIndex++;ev.HasMorePages = (m_currentPageIndex < m_streams.Count);}else//指定页面后只打印指定页码
            {if (m_PageIndex > m_streams.Count){ev.HasMorePages = false;//当终止页数大于总页数ev.Cancel = true;MessageBox.Show("自定义页面填写有误,终止页数不能大于总页数，请检查！", "提示",MessageBoxButtons.OK, MessageBoxIcon.Warning);return;}while (m_currentPageIndex + 1 < m_PageIndex){m_currentPageIndex++;}Metafile pageImage = new Metafile(m_streams[m_currentPageIndex]);ev.Graphics.DrawImageUnscaledAndClipped(pageImage, new System.Drawing.Rectangle(0, 0, ev.PageBounds.Width, ev.PageBounds.Height));ev.HasMorePages = false;pageImage.Dispose();}}/// <summary>/// //用来记录当前打印到第几页了 /// </summary>/// <param name="DocumentName"></param>/// <param name="DispalyPageSetupDialog"></param>private void Print(string DocumentName, bool DispalyPageSetupDialog)//"体检指引单打印", false
        {if (m_streams == null || m_streams.Count == 0){return;}PrintDocument printDoc = new PrintDocument();printDoc.DocumentName = DocumentName;if (!PrinterExists())//检查是否有打印机
            {return;}if (PagePrinter != "")//打印机
            {bool IsExists = false;//设置打印机名称是否存在for (int x = 0; x < PrinterSettings.InstalledPrinters.Count; x++){if (PrinterSettings.InstalledPrinters[x].ToString() == PagePrinter){printDoc.PrinterSettings.PrinterName = PagePrinter;//获得打印机的名称IsExists = true;break;}}if (!IsExists){MessageBox.Show("打印机：" + "【" + PagePrinter + "】不存在，请联系管理员！", "提示",MessageBoxButtons.OK, MessageBoxIcon.Warning);return;}}if (PaperName != "")//纸张名称：A4,A3
            {if (!Printer.FormInPrinter(printDoc.PrinterSettings.PrinterName, PaperName))//纸张不存在自己创建
                {decimal width = Convert.ToDecimal(PageWidth.Replace("cm", "")) * 10;decimal height = Convert.ToDecimal(PageHeight.Replace("cm", "")) * 10;Printer.AddCustomPaperSize(printDoc.PrinterSettings.PrinterName, PaperName, width, height);}int index = 0;//纸张的索引bool IsExists = false;//打印机纸张是否存在该纸张名称for (int j = 0; j < printDoc.PrinterSettings.PaperSizes.Count; j++){if (printDoc.PrinterSettings.PaperSizes[j].PaperName == PaperName){                        index = j;IsExists = true;break;}}if (IsExists){printDoc.DefaultPageSettings.PaperSize = printDoc.PrinterSettings.PaperSizes[index];}else{MessageBox.Show("【" + PaperName + "】自定义纸张不存在，请联系管理员！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);return;}}//事件委托printDoc.PrintPage += new PrintPageEventHandler(PrintPage);if (DispalyPageSetupDialog){PageSetupDialog pageDialog = new PageSetupDialog();pageDialog.Document = printDoc;if (pageDialog.ShowDialog() == DialogResult.OK){printDoc.Print();}}else{if (hxdy)//横向打印
                {printDoc.DefaultPageSettings.Landscape = true;}printDoc.Print(); }}/// <summary>/// 打印rdlc文件/// </summary>/// <param name="report">本地报表</param>/// <param name="DocumentName">打印文件名称</param>/// <param name="DispalyPageSetupDialog">是否显示打印设置对话框</param>/// <param name="PageName">打印单据的名字</param>public void Run(LocalReport report, string DocumentName, bool DispalyPageSetupDialog, string PageName)//report, "体检指引单打印", false, "A4"
        {// pw.StartThread();if (PageName != "")//取自定义纸张大小
            {xtBiz xtbiz = new xtBiz();DataTable dt = xtbiz.Get_Xt_ggdy(PageName);//获得到设置的纸张的大小.if (dt.Rows.Count == 1){PaperName = dt.Rows[0]["PaperName"].ToString();PageWidth = dt.Rows[0]["PageWidth"].ToString();PageHeight = dt.Rows[0]["PageHeight"].ToString();MarginTop = dt.Rows[0]["MarginTop"].ToString();MarginLeft = dt.Rows[0]["MarginLeft"].ToString();MarginRight = dt.Rows[0]["MarginRight"].ToString();MarginBottom = dt.Rows[0]["MarginBottom"].ToString();PagePrinter = dt.Rows[0]["PagePrinter"].ToString();if (PageWidth == "") PageWidth = "0cm";if (PageHeight == "") PageHeight = "0cm";if (MarginTop == "") MarginTop = "0cm";if (MarginLeft == "") MarginLeft = "0cm";if (MarginRight == "") MarginRight = "0cm";if (MarginBottom == "") MarginBottom = "0cm";}else{MessageBox.Show("该单据纸张配置没有设置，请联系管理员！", "提示",MessageBoxButtons.OK, MessageBoxIcon.Warning);return;}}Export(report, PageName);//导出报表的每一个页面到一个EMF文件   m_currentPageIndex = 0;Print(DocumentName, DispalyPageSetupDialog);// "体检指引单打印", false//释放资源           Dispose();//一定释放资源        }/// <summary>/// 打印rdlc文件/// </summary>/// <param name="report">本地报表</param>/// <param name="DocumentName">打印文件名称</param>/// <param name="DispalyPageSetupDialog">是否显示打印设置对话框</param>/// <param name="PageName">打印单据的名字</param>/// <param name="PageFw">打印单据的范围</param>public void Run(LocalReport report, string DocumentName, bool DispalyPageSetupDialog, string PageName, string PageFw){//pw.StartThread();if (PageName != "")//取自定义纸张大小
            {xtBiz xtbiz = new xtBiz();DataTable dt = xtbiz.Get_Xt_ggdy(PageName);if (dt.Rows.Count == 1){PaperName = dt.Rows[0]["PaperName"].ToString();PageWidth = dt.Rows[0]["PageWidth"].ToString();PageHeight = dt.Rows[0]["PageHeight"].ToString();MarginTop = dt.Rows[0]["MarginTop"].ToString();MarginLeft = dt.Rows[0]["MarginLeft"].ToString();MarginRight = dt.Rows[0]["MarginRight"].ToString();MarginBottom = dt.Rows[0]["MarginBottom"].ToString();PagePrinter = dt.Rows[0]["PagePrinter"].ToString();if (PageWidth == "") PageWidth = "0cm";if (PageHeight == "") PageHeight = "0cm";if (MarginTop == "") MarginTop = "0cm";if (MarginLeft == "") MarginLeft = "0cm";if (MarginRight == "") MarginRight = "0cm";if (MarginBottom == "") MarginBottom = "0cm";}else{MessageBox.Show("该单据纸张配置没有设置，请联系管理员！", "提示",MessageBoxButtons.OK, MessageBoxIcon.Warning);return;}}
　　　　　　　//导出报表的每一个页面到一个EMF文件               Export(report, PageName);if (PageFw == ""){m_currentPageIndex = 0;Print(DocumentName, DispalyPageSetupDialog);            }else{string[] str_fw = PageFw.Split('-');int begin = 0;int end = 0;try{if (str_fw.Length == 1){begin = Convert.ToInt32(str_fw[0]);end = Convert.ToInt32(str_fw[0]);}else{begin = Convert.ToInt32(str_fw[0]);end = Convert.ToInt32(str_fw[1]);}if (begin > end){MessageBox.Show("该单据自定义打印页数填写有误，请检查！", "提示",MessageBoxButtons.OK, MessageBoxIcon.Warning);return;}}catch{MessageBox.Show("该单据自定义打印页数填写有误，请检查！", "提示",MessageBoxButtons.OK, MessageBoxIcon.Warning);return;}for (int i = begin; i <= end; i++){m_PageIndex = i;m_currentPageIndex = 0;Print(DocumentName, DispalyPageSetupDialog);//pw.StopThread();
                }}//释放资源Dispose();}/// <summary>/// 释放资料源/// </summary>public void Dispose(){if (m_streams != null){foreach (Stream stream in m_streams)stream.Close();m_streams = null;}}/// <summary>/// 判断系统中是否存在打印机/// </summary>/// <returns>TRUE：存在打印机；FALSE：不存在打印机</returns>private bool PrinterExists(){PrinterSettings.StringCollection snames = PrinterSettings.InstalledPrinters;foreach (string s in snames){if (s.ToLower().Trim() == s.ToLower().Trim()){return true;}}

            MessageBox.Show("没找到打印机！\n只有安装了打印机才能进行打印", "没找到打印机",MessageBoxButtons.OK, MessageBoxIcon.Warning);return false;}  }}