> ## Documentation Index > Fetch the complete documentation index at: https://numadocs.secc.org/llms.txt > Use this file to discover all available pages before exploring further. # App > `App.razor` is the root component of the Blazor Server application; it loads CSS, JS, and handles cascading authentication to the app. Component Name: `App.razor`\ Version: `1.0.0` ## Dependencies Services:
[AdminSettingsService](../services/adminsettingsservice) ## Lifecycle Methods ```csharp theme={null} protected override async Task OnInitializedAsync() { await AdminSettingsService.InitializeCurrentAdminSettingsAsync(); } ``` ## Cascading Authentication ```csharp theme={null} //Authentication is provided by the Microsoft Entra Id service registered in Program.cs //Setting the render mode of the Blazor app //JS scripts ```