Powershell add-type update my first script

Question

Hello everybody.

I tried this:

$code = @"  
using System;  
namespace HelloWorld  
{  
 public class Program  
 {  
 public static void Main(){  
 Console.WriteLine("Hello world!");  
 }  
 }  
}  
"@  
   
Add-Type -TypeDefinition $code -Language CSharp  
iex "[HelloWorld.Program]::Main()"  

It work.
But when I change the "$code" variable script and "add-type" it secend time it show me an error.

Why i can't update secend time my script?
How can i do it?

Thanks for help.

Answer 1

Using the last example to generate a random class name looks to be the simplest solution.

https://stackoverflow.com/questions/25730978/powershell-add-type-cannot-add-type-already-exist

Answer 2

Hi,

You have to use another type name because it must be unique within a session and can neither be updated nor removed.

Best Regards,
Ian Xue

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