C#

public class CursistDepository : ObservableCollection<CursistViewModel>, IPersonDepository<CursistViewModel>
    {
        private static volatile CursistDepository instance;
        private static readonly object padlock = new object();
    
    public static CursistDepository Instance
        {
            get
            {
                if (instance == null)
                {
                    lock(padlock)
                    {
                        if(instance==null)
                        {
                            instance = new CursistDepository();
                            IEnumerable<ICursist> persons = Cursist.Select();
                            foreach (ICursist person in persons)
                            {
                                CursistViewModel model = new CursistViewModel(person);
                                instance.Add(model);
                            }
                        }
                    }
                }
                return instance;
            }
        }}

=Code.AddMyNet(Sum(ReportItems!itm_value.Value))

=IIf((ReportItems!Textbox15.Value ="CARRY FORWARDED "), Code.AddMyNet(Sum(ReportItems!itm_value.Value)), Nothing)

using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Printing;
using System.Runtime.InteropServices;

namespace ActiveX
{
	public interface IActiveXPrintLib
	{
		void PrintFile(string filePath);
	}

	[ProgId("ActiveX.PrintFile")]
	[ClassInterface(ClassInterfaceType.AutoDual)]
	[ComVisible(true)]
	public class ActiveXPrintLib : IActiveXPrintLib
	{

		[ComVisible(true)]
		public void PrintFile(string filePath)
		{
			AcroPDFLib.AcroPDF AcroPdf = new AcroPDFLib.AcroPDF();
			AcroPdf.LoadFile(filePath);
			AcroPdf.printAll();

		}

	}
}

var axComponent = new ActiveXObject("ActiveX.ActiveXPrintLib");
    alert(axComponent);
    if (axComponent == null) {
        alert('Probably not installed');
    }
    else {
        axComponent.PrintFile('<%= Page.ResolveUrl("~/PdfTemp/0d818b57-9384-4f52-ae89-8ef5868064b7.pdf")  %>');
        alert('yes');
    }