Doubt in in php code for .NET dll file

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I created dll, the name is "MyDll.dll". The dll consist the below code,

C#

namespace MyDll
{
    public class TestIndex
    {

        public string Sathish(string a)
        {
            a += "..This is .Net";
            return a;
        }
    }
}
<pre>
and then i registered the dll in assembly

 My php file name is Test.php and it should Contain below coding, 
<pre lang="PHP">
<?php
$test = new DOTNET("MyDll,Version=1.0.0.0,Culture=neutral,PublicKeyToken=0baa6d3271b1f300","MyDll.TestIndex");

echo($test->Sathish("From Php.."));

?>

my expected result is "From Php....This is .Net", but i got below error

Fatal error: Uncaught exception 'com_exception' with message 'Failed to instantiate .Net object [Unwrapped, QI for IDispatch] [0x80004002] No such interface supported ' in C:\xampp\htdocs\Test.php:2 Stack trace: #0 C:\xampp\htdocs\Test.php(2): dotnet->dotnet('MyDll,Version=...', 'MyDll.TestInde...') #1 {main} thrown in C:\xampp\htdocs\Test.php on line 2

Please help me...
thank you....

Posted 17-Jun-13 20:24pm

sathish4303

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sathish4303 · Accepted Answer · 2013-06-18T19:03:00

C#

using System.Runtime.InteropServices; // Name Space

namespace MyDll
{
    [ComVisible(true)]     // using ComVisible only we can access the dll
    public class TestIndex
    {
 
        public string Sathish(string a)
        {
            a += "..This is .Net";
            return a;
        }
    }
}

The result is "From Php....This is .Net".