怎样用代码实现水晶报表的输出？

Question

怎样用代码实现水晶报表的输出？输出成excel文件或pdf文件，并且可以选择输出目录！

Answer 1

给LZ个视频教程 还有源码
http://www.microsoft.com/china/msdn/events/webcasts/shared/webcast/episode.aspx?newsID=1242276

Answer 2

string connStr =ConfigurationSettings.AppSettings["ConnString1"].ToString();
        SqlDataSource datasource = new SqlDataSource(connStr , SQL语句);
        ReportDocument doc = new ReportDocument();
        TableLogOnInfo logininfo = new TableLogOnInfo();
        string path;        path = Server.MapPath("report1.rpt");
        doc.Load(path);
        string a, b, c, d;
        a = System.Configuration.ConfigurationManager.AppSettings[0];
        b = System.Configuration.ConfigurationManager.AppSettings[1];
        c = System.Configuration.ConfigurationManager.AppSettings[2];
        d = System.Configuration.ConfigurationManager.AppSettings[3];
        logininfo.ConnectionInfo.ServerName = a;
        logininfo.ConnectionInfo.DatabaseName = b;
        logininfo.ConnectionInfo.UserID = c;
        logininfo.ConnectionInfo.Password = d;        try
        {
            doc.Database.Tables[0].ApplyLogOnInfo(logininfo);
            doc.Database.Tables[0].SetDataSource(datasource.Select(DataSourceSelectArguments.Empty));
            CrystalReportViewer1.ReportSource = doc;
        }
        catch
        {
            Response.Write("<script>alert('输出报表失败，请检查输入信息或网络！');</script>");
        }