Index.cshtml.cs

using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;

namespace AspNet6.Pages
{
	public class IndexModel : PageModel
	{
		private readonly ILogger<IndexModel> _logger;

		public IndexModel(ILogger<IndexModel> logger)
		{
			_logger = logger;
		}

		public void OnGet()
		{
			LogSampleLogs();
		}

		private void LogSampleLogs()
		{
			var structuredData = new StructuredData();
			var simpleData = "This is a string.";

			_logger.LogTrace("Here's a Verbose message.");
			_logger.LogDebug("Here's a Debug message. Only Public Properties (not fields) are shown on structured data. Structured data: {@sampleData}. Simple data: {simpleData}.", structuredData, simpleData);
			_logger.LogInformation(new Exception("Exceptions can be put on all log levels"), "Here's an Info message.");
			_logger.LogWarning("Here's a Warning message.");
			_logger.LogError(new Exception("This is an exception."), "Here's an Error message.");
			_logger.LogCritical("Here's a Fatal message.");
		}
	}
}