using System.Windows;
// 引入可以访问 app.config 中的项
using System.Drawing.Printing;  // 打印必须namespace csdemo.reportdemo
{/// <summary>/// MainWindow.xaml 的交互逻辑/// </summary>public partial class MainWindow : Window{public MainWindow(){InitializeComponent();}/// <summary>/// 获取可用打印机/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button1_Click(object sender, RoutedEventArgs e){comboBox1.Items.Clear();foreach (var item in PrinterSettings.InstalledPrinters){comboBox1.Items.Add(item.ToString());}comboBox1.SelectedIndex = 0;}/// <summary>/// 打印机名称/// </summary>private string _printerName=string.Empty;/// <summary>/// 设置打印机/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button2_Click(object sender, RoutedEventArgs e){_printerName = comboBox1.SelectedValue.ToString();}/// <summary>/// 调用打印/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button3_Click(object sender, RoutedEventArgs e){PrintWindow pw = new PrintWindow();pw.printerName = _printerName;pw.Show();pw.Close();}}
}

using System.Windows;
using System.Data.SqlClient;
using CrystalDecisions.CrystalReports.Engine;namespace csdemo.reportdemo
{/// <summary>/// PrintWindow.xaml 的交互逻辑/// </summary>public partial class PrintWindow : Window{public PrintWindow(){InitializeComponent();Data_Binding();}public string printerName = string.Empty;private void Data_Binding(){System.Data.DataSet ds = new System.Data.DataSet();SqlConnection conn = new SqlConnection();conn.ConnectionString = @"Data Source=192.168.0.196;Initial Catalog=NewEMaxTest;Persist Security Info=True;User ID=sa;Password=qwerta";conn.Open();string cmd = "select * from TBusRetail";SqlDataAdapter da = new SqlDataAdapter(cmd, conn);da.Fill(ds, "TBusRetail");conn.Close();string pathRpt = @"D:\Projects\csdemo\branches\csdemo2010\csdemo.reportdemo\ReportFile\DemoCrystalReport.rpt";// ****************************************************ReportDocument repostDoc = new ReportDocument();repostDoc.Load(pathRpt);                    // 加载打印模板文件repostDoc.SetDataSource(ds);                // 设置数据源repostDoc.PrintOptions.PrinterName = printerName;   // 设置打印机名称repostDoc.PrintOptions.PaperSize = CrystalDecisions.Shared.PaperSize.PaperA4;   // 设置打印纸张样式repostDoc.PrintOptions.PaperOrientation = CrystalDecisions.Shared.PaperOrientation.DefaultPaperOrientation;repostDoc.PrintToPrinter(1, false, 1, 1);   // 只打印一页，不核对，从第 0 页打印到第0页// ****************************************************// 如果要显示数据的话，就可以使用这个来在Viwer中绑定数据源了。// crv.ViewerCore.ReportSource = repostDoc;}}
}