直接将rdlc报告打印到客户端打印机上不能在客户端上使用

Question

我正在开发一个asp.net Web应用程序，该应用程序必须打印带有一些信息和条形码的标签，该信息的数据源是sqlserver表。 标签必须直接打印到客户端默认打印机，而无需打印预览。 我在这里的示例中使用了该方法来加载rdlc报告并将其发送到默认打印机。当我在服务器上执行该报告时，它工作得很好，但是当我在IIS上发布自己的文档并在客户端PC上打开应用程序时，给我错误“未安装打印机”。 我在这里错过了一些东西，或者有其他方法可以实现这一点，请帮助。 预先感谢。

LocalReport report = new LocalReport();
ReportParameterCollection reportParameters = new ReportParameterCollection();
report.ReportPath = Server.MapPath("~/Reports/" + rpt);
report.DataSources.Add(new ReportDataSource("MyDataset", dt));
PrintToPrinter(report);
 public static void PrintToPrinter(LocalReport report)
        {
            Export(report);

        }

        public static void Export(LocalReport report, bool print = true)
        {
            string deviceInfo =
            @"<DeviceInfo>
                <OutputFormat>EMF</OutputFormat>
                <PageWidth>11cm</PageWidth>
                <PageHeight>8cm</PageHeight>
                <MarginTop>{pageSettings.Margins.Top * 100}in</MarginTop>
                <MarginLeft>{pageSettings.Margins.Left * 100}in</MarginLeft>
                <MarginRight>{pageSettings.Margins.Right * 100}in</MarginRight>
                <MarginBottom>{pageSettings.Margins.Bottom * 100}in</MarginBottom>
            </DeviceInfo>";
            Warning[] warnings;
            m_streams = new List<Stream>();
            report.Render("Image", deviceInfo, CreateStream, out warnings);
            foreach (Stream stream in m_streams)
                stream.Position = 0;

            if (print)
            {
                Print();
            }
        }

        public static void Print()
        {
            if (m_streams == null || m_streams.Count == 0)
                throw new Exception("Error: no stream to print.");
            PrintDocument printDoc = new PrintDocument();
            if (!printDoc.PrinterSettings.IsValid)
            {
                throw new Exception("Error: cannot find the default printer.");
            }
            else
            {
                printDoc.PrintPage += new PrintPageEventHandler(PrintPage);
                m_currentPageIndex = 0;
                printDoc.Print();
            }
        }

        public static Stream CreateStream(string name, string fileNameExtension, Encoding encoding, string mimeType, bool willSeek)
        {
            Stream stream = new MemoryStream();
            m_streams.Add(stream);
            return stream;
        }

        public static void PrintPage(object sender, PrintPageEventArgs ev)
        {
            Metafile pageImage = new
            Metafile(m_streams[m_currentPageIndex]);

            // Adjust rectangular area with printer margins.
            Rectangle adjustedRect = new Rectangle(
            ev.PageBounds.Left - (int)ev.PageSettings.HardMarginX,
            ev.PageBounds.Top - (int)ev.PageSettings.HardMarginY,
            ev.PageBounds.Width,
            ev.PageBounds.Height);

            // Draw a white background for the report
            ev.Graphics.FillRectangle(Brushes.White, adjustedRect);

            // Draw the report content
            ev.Graphics.DrawImage(pageImage, adjustedRect);

            // Prepare for the next page. Make sure we haven't hit the end.
            m_currentPageIndex++;
            ev.HasMorePages = (m_currentPageIndex < m_streams.Count);
        }

        public static void DisposePrint()
        {
            if (m_streams != null)
            {
                foreach (Stream stream in m_streams)
                    stream.Close();
                m_streams = null;
            }
        }