ASP.NET错误80040154类未注册(来自HRESULT的异常: 0x80040154 (REGDB_E_CLASSNOTREG))

regsvr32 MyComponent.dll

MyComponent.dll was successfully registered.

using System;
using System.Runtime.InteropServices;

public partial class _Default : System.Web.UI.Page
{
    [ComImport]
    [Guid("YOUR-COM-COMPONENT-GUID")]
    [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    public interface IMyComponent
    {
        void DoSomething();
    }

    protected void Page_Load(object sender, EventArgs e)
    {
        try
        {
            IMyComponent component = (IMyComponent)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid("YOUR-COM-COMPONENT-GUID")));
            component.DoSomething();
        }
        catch (COMException ex)
        {
            if (ex.ErrorCode == -2147221164) // 0x80040154
            {
                // Handle the class not registered error
                Response.Write("COM组件未注册");
            }
            else
            {
                throw;
            }
        }
    }
}