using Microsoft.Extensions.Configuration;

using Telerik.Reporting.Services;

using Telerik.Reporting;

public class Program

{

    public static void CreateReport()

    {

        var cnf = new ReportServiceConfiguration();

            cnf.HostAppId = "ReportingCoreApp132";

            cnf.ReportingEngineConfiguration = default(IConfiguration);

​

            var reportProcessor = new Telerik.Reporting.Processing.ReportProcessor(cnf.ReportingEngineConfiguration);

            var uriReportSource = new UriReportSource();

​

            // Specifying an URL or a file path

            uriReportSource.Uri = @"\Users\LucaVoit\source\repos\TelerikTest\ReportServer\wwwroot\Reports\Report3.trdp";

​

            string TwoA5TemplatePath = @"\Users\LucaVoit\source\repos\TelerikTest\ReportServer\wwwroot\Reports\A4Report.trdx";

​

            uriReportSource.Parameters.Add("p465441", "12");

            uriReportSource.Parameters.Add("p6541631", 1);

​

            Report Template = new Report();

​

            System.Xml.XmlReaderSettings settings = new System.Xml.XmlReaderSettings();

            settings.IgnoreWhitespace = true;

​

            using (System.Xml.XmlReader xmlReader = System.Xml.XmlReader.Create(TwoA5TemplatePath, settings))

            {

                Telerik.Reporting.XmlSerialization.ReportXmlSerializer xmlSerializer =

                    new Telerik.Reporting.XmlSerialization.ReportXmlSerializer();

​

                Template = (Report)xmlSerializer.Deserialize(xmlReader);

            }

​

            foreach (var sr in Template.Items.FindItem(typeof(DetailSection)).Items.Find(typeof(SubReport)))

            {

                if (sr is SubReport)

                {

                    SubReport sub = sr as SubReport;

                    sub.ReportSource = uriReportSource;

                }

            }

​

            var IRS = new InstanceReportSource();

            IRS.ReportDocument = Template;

​

            Telerik.Reporting.Processing.RenderingResult result = reportProcessor.RenderReport("PDF", IRS, null);

​

            string fileName = "Merged." + result.Extension;

            string path = "";

            string filePath = System.IO.Path.Combine(path, fileName);

​

            using (System.IO.FileStream fs = new System.IO.FileStream(filePath, System.IO.FileMode.Create))

            {

                fs.Write(result.DocumentBytes, 0, result.DocumentBytes.Length);

            }

    }

}