using System;
namespace TransientScopedSingleton {
    publicinterfaceITransientService {
        Guid GetOperationID();
    }
}
using System;
namespace TransientScopedSingleton {
    publicinterfaceIScopedService {
        Guid GetOperationID();
    }
}
using System;
namespace TransientScopedSingleton {
    publicinterfaceISingletonService {
        Guid GetOperationID();
    }
}

using System;
namespace TransientScopedSingleton {
    publicclassOperationService: ITransientService,
    IScopedService,
    ISingletonService {
        Guid id;
        publicOperationService() {
            id = Guid.NewGuid();
        }
        public Guid GetOperationID() {
            return id;
        }
    }
}

services.AddTransient<ITransientService, OperationService>();
services.AddScoped<IScopedService, OperationService>();
services.AddSingleton<ISingletonService, OperationService>();

private readonly ILogger<HomeController> _logger;
private readonly ITransientService _transientService1;
private readonly ITransientService _transientService2;
private readonly IScopedService _scopedService1;
private readonly IScopedService _scopedService2;
private readonly ISingletonService _singletonService1;
private readonly ISingletonService _singletonService2;
public HomeController(ILogger<HomeController> logger,
            ITransientService transientService1,
            ITransientService transientService2,
            IScopedService scopedService1,
            IScopedService scopedService2,
            ISingletonService singletonService1,
            ISingletonService singletonService2)
        {
            _logger = logger;
            _transientService1 = transientService1;
            _transientService2 = transientService2;
            _scopedService1 = scopedService1;
            _scopedService2 = scopedService2;
            _singletonService1 = singletonService1;
            _singletonService2 = singletonService2;
        }

public IActionResult Index()
        {
            ViewBag.transient1 = _transientService1.GetOperationID().ToString();
            ViewBag.transient2 = _transientService2.GetOperationID().ToString();
            ViewBag.scoped1 = _scopedService1.GetOperationID().ToString();
            ViewBag.scoped2 =  _scopedService2.GetOperationID().ToString();
            ViewBag.singleton1 = _singletonService1.GetOperationID().ToString();
            ViewBag.singleton2 = _singletonService2.GetOperationID().ToString();
            return View();
        }

<div class="text-center">
    <h2 class="display-4">Dependency Injection Lifetime
    </h2>
</div>
<table class="table table-bordered">
    <thead>
        <tr>
            <th>Service Type</th>
            <th>First Instance Operation ID</th>
            <th>Second Instance Operation ID</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <tdstyle="background-color: darksalmon">Transient
            </td>
            <tdstyle="background-color: darksalmon">@ViewBag.transient1
            </td>
            <tdstyle="background-color: darksalmon">@ViewBag.transient2
            </td>
        </tr>
        <tr>
            <td>Scoped</td>
            <td>@ViewBag.scoped1</td>
            <td>@ViewBag.scoped2</td>
        </tr>
        <tr>
            <tdstyle="background-color: aquamarine">Singleton
            </td>
            <tdstyle="background-color: aquamarine">@ViewBag.singleton1
            </td>
            <tdstyle="background-color: aquamarine">@ViewBag.singleton2
            </td>
        </tr>
    </tbody>
</table>