Render SSRS report using code

using System;
using System.IO;
using System.Web.Services.Protocols;
using myNamespace.MyReferenceName;

class Sample
{
    static void Main(string[] args)
    {
        ReportExecutionService rs = new ReportExecutionService();
        rs.Credentials = System.Net.CredentialCache.DefaultCredentials;
        rs.Url = "http://myserver/reportserver/ReportExecution2005.asmx";

        // Render arguments
        byte[] result = null;
        string reportPath = "/AdventureWorks Sample Reports/Employee Sales Summary";
        string format = "MHTML";
        string historyID = null;
        string devInfo = @"<DeviceInfo><Toolbar>False</Toolbar></DeviceInfo>";

        // Prepare report parameter.
        ParameterValue[] parameters = new ParameterValue[3];
        parameters[0] = new ParameterValue();
        parameters[0].Name = "EmpID";
        parameters[0].Value = "288";
        parameters[1] = new ParameterValue();
        parameters[1].Name = "ReportMonth";
        parameters[1].Value = "6"; // June
        parameters[2] = new ParameterValue();
        parameters[2].Name = "ReportYear";
        parameters[2].Value = "2004";

        DataSourceCredentials[] credentials = null;
        string showHideToggle = null;
        string encoding;
        string mimeType;
        string extension;
        Warning[] warnings = null;
        ParameterValue[] reportHistoryParameters = null;
        string[] streamIDs = null;
        
        ExecutionInfo execInfo = new ExecutionInfo();
        ExecutionHeader execHeader = new ExecutionHeader();

        rs.ExecutionHeaderValue = execHeader;

        execInfo = rs.LoadReport(reportPath, historyID);

        rs.SetExecutionParameters(parameters, "en-us"); 
        String SessionId = rs.ExecutionHeaderValue.ExecutionID;

        Console.WriteLine("SessionID: {0}", rs.ExecutionHeaderValue.ExecutionID);


        try
        {
            result = rs.Render(format, devInfo, out extension, out encoding, out mimeType, out warnings, out streamIDs);

            execInfo = rs.GetExecutionInfo();

            Console.WriteLine("Execution date and time: {0}", execInfo.ExecutionDateTime);


        }
        catch (SoapException e)
        {
            Console.WriteLine(e.Detail.OuterXml);
        }
        // Write the contents of the report to an MHTML file.
        try
        {
            FileStream stream = File.Create("report.mht", result.Length);
            Console.WriteLine("File created.");
            stream.Write(result, 0, result.Length);
            Console.WriteLine("Result written to the file.");
            stream.Close();
        }
        catch (Exception e)
        {
            Console.WriteLine(e.Message);
        }

    }
}

Reference

CRM Refrence

https://community.dynamics.com/crm/f/117/t/244253

https://www.codeproject.com/Questions/399003/Could-not-load-file-or-assembly-Microsoft-ReportVi
http://www.aspnetify.com/2014/07/could-not-load-file-or-assembly.html
https://social.msdn.microsoft.com/Forums/sqlserver/en-US/9773e68b-6d06-4bf5-8083-50809536c8e7/the-request-failed-with-http-status-401-unauthorized?forum=sqlreportingservices&forum=sqlreportingservices
https://lakshmanindian.wordpress.com/2012/11/01/attachments-in-microsoft-dynamics-crm-2011/