An error occured by ActiveXObject and show Automation server can't create the object

[dondoug]

i have wrote a COM by C#.Net for transfered by a client from web, which i implement by using Javascript...
i have try all the sovle all i can search from the web,such as :to make the IE security low...
i also can't solve my problem...now, i need help...it trouble me have 4 days...
my problem is : when it run on the "var obj = new ActiveXObject(" Wrox.ProCSharp. COMInterop.Serv er.DotnetCompon ent");"//Wrox.ProCSharp. COMInterop.Serv er.DotnetCompon ent is the COM name which i writed.

there is all my code...thanks for your concerned...

<HTML>
    <HEAD>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <TITLE>Test My DLL </TITLE>
		
			

        <script language="JavaScript" type="text/javascript">
		try{
		var obj = new ActiveXObject("Wrox.ProCSharp.COMInterop.Server.DotnetComponent");
		}
		catch(e)
		{
			alert(e.message);	
		}
		
		function init()
		{
			TestDLL();
		}
           
		function TestDLL()
		  {  
				try{
	
		  		var sum = 0; 
				sum = obj.add(23, 60);
				alert("sum is "+sum);  
				}
				catch(e)
				{
					alert(e.message);
				}
		  }

</script>

<OBJECT id = "DotNetComponent" name = "DotNetComponent" classid = "{C54686D5-B2A9-4C98-A744-0F84DC4A0757}" codebase = "DotNetComponent.dll#Wrox.ProCSharp.COMInterop.Server.DotnetComponent"> </OBJECT>	
<META content="text/html; charset=gb2312" http-equiv=Content-Type>

    </HEAD>
    <BODY id=tx_config onload=javascript:init()>
	
	
	<input name="Submit4" type="button" style="width:200px" onClick="javascript:TestDLL();return false;" value="Test DLL Now!!!">

       
</BODY>
</HTML>

using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
namespace Wrox.ProCSharp.COMInterop.Server
{
    [InterfaceType(ComInterfaceType.InterfaceIsDual)]
    public interface IWelcome
    {
        [DispId(60040)]   string Greeting(string name);
    }

    [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    public interface IMath
    {
        int Add(int val1, int val2);
        int Sub(int val1, int val2);
    }

    [InterfaceType(ComInterfaceType.InterfaceIsIDispatch)]
    public interface IMathEvents
    {
        [DispId(46200)] void CalculationCompleted();
    }

    [ComVisible(false)]
    public delegate void CalculationCompletedDelegate();

    
    [ClassInterface(ClassInterfaceType.None)]
    [ProgId("Wrox.DotnetComponent")]
    [Guid("C54686D5-B2A9-4c98-A744-0F84DC4A0757")]
    [ComSourceInterfaces(typeof(IMathEvents))]
    public class DotnetComponent:IWelcome,IMath
    {
        public DotnetComponent()
        {

        }

        public string Greeting(string name)
        {
            return "Hello" + name;
        }

        public event CalculationCompletedDelegate CalculationCompleted;
        
        public int Add(int val1, int val2)
        {
           int result = val1 + val2;
            if(CalculationCompleted != null)
                CalculationCompleted();
            return result;
        }

        public int Sub(int val1, int val2)
        {

            int result =  val1 - val2;
            if(CalculationCompleted != null)
                CalculationCompleted();
            return result;
        }



    }

    



}