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  • rdlc导出Excel

    using System;
    using System.Data;
    using System.Configuration;
    using System.Web;
    using System.Web.Security;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using System.Web.UI.WebControls.WebParts;
    using System.Web.UI.HtmlControls;
    using Microsoft.Reporting.WebForms;
    using CrystalDecisions.Shared;
    using CrystalDecisions.CrystalReports.Engine;
    using System.IO;

    public partial class _Default : System.Web.UI.Page
    {
        protected CrystalDecisions.CrystalReports.Engine.ReportDocument reportDocument1=new ReportDocument();
        protected void Page_Load(object sender, EventArgs e)
        {

        }
         protected void Button1_Click1(object sender, EventArgs e)
        {

            Microsoft.Reporting.WebForms.Warning[] Warnings;
            string[] streamids;
            string mimeType;
            string encoding;
            string fileNameExtension;

            Microsoft.Reporting.WebForms.LocalReport lr = new Microsoft.Reporting.WebForms.LocalReport();

            string deviceInfo = "<DeviceInfo>" + "<SimplePageHeaders>True</SimplePageHeaders>" +  "</DeviceInfo>";

            lr.ReportPath = Server.MapPath("Report2.rdlc");

            lr.DataSources.Add(new ReportDataSource("DataSet1_ord", ObjectDataSource1));

            byte[] bytes = lr.Render("Excel", deviceInfo, out mimeType,  out encoding,out fileNameExtension, out streamids, out Warnings);

            using (FileStream fs = new FileStream(@"C:\study_net2005\Report2.xls", FileMode.Create))
            {
                fs.Write(bytes, 0, bytes.Length);
                fs.Close();
            }

           //客户端不行
           // object o = System.Reflection.Missing.Value;
           // Excel.Application excelapp = new Excel.ApplicationClass();
           //// Excel.Workbook wkbook = excelapp.Workbooks.Open("C:\\study_net2005\\Report2.xls", o, o, o, o, o, o, o, o, o, o, o, o);
           // Excel.Workbook wkbook = excelapp.Workbooks.Open("C:\\study_net2005\\Report2.xls", o, o, o, o, o, o, o, o, o, o, o, o,o,o);
           // excelapp.Visible = true;      // //wkbook.PrintPreview(true);//预览  
           // wkbook.PrintOut(o, o, o, o, o, o, o, o);//打印  
           // wkbook.Save();
           // excelapp.Quit();

        }
    }

    http://hi.baidu.com/web_girl/blog/item/af53d33f603f53eb54e723e8.html

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  • 原文地址:https://www.cnblogs.com/emanlee/p/1690679.html
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