Blog/Components/Pages/Error.razor 1.2 K · 37 lines · raw · history

1 @page "/Error"
2 @using System.Diagnostics
3 @using Microsoft.AspNetCore.Http
4
5 <PageTitle>Error</PageTitle>
6
7 <h1 class="text-danger">Error.</h1>
8 <h2 class="text-danger">An error occurred while processing your request.</h2>
9
10 @if (ShowRequestId)
11 {
12 <p>
13 <strong>Request ID:</strong> <code>@RequestId</code>
14 </p>
15 }
16
17 <h3>Development Mode</h3>
18 <p>
19 Swapping to <strong>Development</strong> environment will display more detailed information about the error that occurred.
20 </p>
21 <p>
22 <strong>The Development environment shouldn't be enabled for deployed applications.</strong>
23 It can result in displaying sensitive information from exceptions to end users.
24 For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
25 and restarting the app.
26 </p>
27
28 @code{
29 [CascadingParameter] private HttpContext? HttpContext { get; set; }
30
31 private string? RequestId { get; set; }
32 private bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
33
34 protected override void OnInitialized() =>
35 RequestId = Activity.Current?.Id ?? HttpContext?.TraceIdentifier;
36
37 }