docs(common): Improve .NET 8 documentation

_config.yml

@@ -418,6 +418,8 @@ navigation:
         title: "PivotGrid"
      "*/radiogroup":
         title: "RadioGroup"
+     "*rootcomponent":
+        title: "RootComponent"
      "*scheduler":
         title: "Scheduler"
      "*scrollview":

_contentTemplates/common/get-started.md

@@ -3,7 +3,7 @@
 
 ## Prerequisites
 
-* To successfully complete the steps in this tutorial, make sure that you have installed a <a href="https://visualstudio.microsoft.com/vs/" target="_blank">current Visual Studio</a> version.
+* To successfully complete the steps in this tutorial, make sure you have an <a href="https://visualstudio.microsoft.com/vs/" target="_blank">up-to-date Visual Studio</a>, which is compatible with the .NET version of your choice. If you are not using Visual Studio, some of the steps require using the .NET CLI or editing files manually. In this case, also refer to the tutorial [Typical Workflow]({%slug getting-started/what-you-need%}).
 
 * To learn more about the compatibility of the Telerik UI for Blazor components with different browser and .NET versions, see the [system requirements]({%slug system-requirements%}).
 

components/rootcomponent/overview.md

@@ -0,0 +1,109 @@
+---
+title: Overview
+page_title: RootComponent - Overview
+description: Overview of the Telerik Root Component for Blazor.
+slug: rootcomponent-overview
+tags: telerik,blazor,telerikrootcomponent,rootcomponent
+published: True
+position: 0
+---
+
+# TelerikRootComponent Overview
+
+The `TelerikRootComponent` is a special component in Telerik UI for Blazor. Its placement and configuration will affect all its child Telerik Blazor components. This article describes the purpose and usage of `TelerikRootComponent`.
+
+
+## Purpose
+
+The `TelerikRootComponent` is responsible for the following tasks:
+
+* It provides settings to all its child Telerik components, for example about the [icon type]({%slug common-features-icons%}#set-global-icon-type) or [right-to-left (RTL) support]({%slug rtl-support%}).
+* It renders all Telerik popups, which has the following benefits:
+    * It's more reliable that the popups will display on top of the other page content.
+    * There is no risk for the popups to be trapped by scrollable containers, or clipped by containers with an `overflow:hidden` style.
+* It exposes the `DialogFactory` for using [predefined dialogs]({%slug dialog-predefined%}).
+
+The `TelerikRootComponent` achieves all these tasks with the help of [cascading values](https://learn.microsoft.com/en-us/aspnet/core/blazor/components/cascading-values-and-parameters). That's why it is crucial for the root component to wrap all other Telerik components in the app. To ensure correct popup position, it is also highly recommended for the `TelerikRootComponent` to be the top-level component in the app and wrap all other content, including the application layout.
+
+
+## Using TelerikRootComponent
+
+The recommended way to add `TelerikRootComponent` to a Blazor app is to:
+
+1. Create a new layout file in the app, for example, `TelerikLayout.razor`.
+1. (optional) Place the new layout in the same folder as the default application layout (usually `MainLayout.razor`).
+1. Add a `<TelerikRootComponent>` tag to the new layout and set `@Body` as the root component's child content.
+1. Make the new layout a parent of the default application layout.
+
+The above approach has the following benefits:
+
+* There is a separation of concerns and the `TelerikRootComponent` can be a parent of multiple other layouts.
+* You can use `DialogFactory` (predefined Telerik dialogs) in `MainLayout.razor`.
+
+However, it is also possible to [add `<TelerikRootComponent>` directly to the existing application layout(s)](#adding-telerikrootcomponent-to-existing-layout).
+
+>caption Adding TelerikRootComponent to a new layout
+
+<div class="skip-repl"></div>
+
+````TelerikLayout.razor
+@inherits LayoutComponentBase
+
+<TelerikRootComponent>
+    @Body
+</TelerikRootComponent>
+````
+````MainLayout.razor
+@inherits LayoutComponentBase
+@layout TelerikLayout
+
+@* The other MainLayout.razor content remains the same. *@
+````
+
+### Adding TelerikRootComponent to Existing Layout
+
+>caption Adding TelerikRootComponent to MainLayout.razor
+
+<div class="skip-repl"></div>
+
+````CSHTML
+@inherits LayoutComponentBase
+
+<TelerikRootComponent>
+    @* All the MainLayout.razor content becomes nested in the Telerik root component. *@
+</TelerikRootComponent>
+````
+
+
+## .NET 8 Notes
+
+.NET 8 introduced the concept of static Blazor apps with optional interactive components. The following requirements and considerations apply to the `TelerikRootComponent`:
+
+* The `TelerikRootComponent` must reside in an interactive layout or component.
+* Application layouts are interactive only if the whole app is interactive. To achieve this, set *Interactivity location* of the app to *Global* during app creation.
+* When the whole app is interactive and the `TelerikRootComponent` is in an (interactive) layout file, the component provides cascading values to all other Telerik components in the app.
+* When the app is static and the `TelerikRootComponent` is in a (static) layout file, its cascading values cannot reach other Telerik components, because [cascading values cannot pass data across render mode boundaries](https://learn.microsoft.com/en-us/aspnet/core/blazor/components/cascading-values-and-parameters?view=aspnetcore-8.0#cascading-valuesparameters-and-render-mode-boundaries). As a result, you need to add the `TelerikRootComponent` on each interactive page (component). Component interactivity is inherited.
+* When the `TelerikRootComponent` is added to a `.razor` file, you cannot reference the `DialogFactory` and use [predefined dialogs]({%slug dialog-predefined%}) in the same `.razor` file (but a [workaround exists](https://github.com/telerik/blazor-ui/tree/master/rootcomponent/BlazorWebAppServer)). The `DialogFactory` will be available to child components of the `TelerikRootComponent`. See section [Using TelerikRootComponent](#using-telerikrootcomponent) above for more information and examples.
+
+See the following resources for more details and examples of using Telerik Blazor components and `TelerikRootComponent` in .NET 8 apps.
+
+* [Interactivity Considerations]({%slug getting-started/web-app%}#interactivity-considerations)
+* [Adding `TelerikRootComponent` to Blazor Web App]({%slug getting-started/web-app%}#43-add-the-telerikrootcomponent)
+* [.NET 8 Blazor Web App sample project on GitHub](https://github.com/telerik/blazor-ui/tree/master/rootcomponent/BlazorWebAppServer)
+
+
+## TelerikRootComponent Parameters
+
+@[template](/_contentTemplates/common/parameters-table-styles.md#table-layout)
+
+| Parameter | Type and Default&nbsp;Value | Description |
+| --- | --- | --- |
+| `EnableRtl` | `bool` | Enables [right-to-left (RTL) support]({%slug rtl-support%}). |
+| `IconType` | `IconType` enum <br /> (`Svg`) | The icon type, which other Telerik components will use to render internal icons. Regardless of this parameter value, you can use freely the [`<TelerikFontIcon>`]({%slug common-features-icons%}#fonticon-component) and [`<TelerikSvgIcon>`]({%slug common-features-icons%}#svgicon-component) components, and [set the `Icon` parameter of other Telerik components]({%slug button-icons%}) to any type that you wish. |
+| `Localizer` | `Telerik.Blazor.Services.ITelerikStringLocalizer` | The Telerik localization service. Normally, the [localizer should be defined as a service in `Program.cs`]({%slug globalization-localization%}). Use the `Localizer` parameter only in special cases when this is not possible. |
+
+
+## See Also
+
+* [Popup Troubleshooting]({%slug troubleshooting-general-issues%})
+* [Setting up Telerik Blazor apps]({%slug getting-started/what-you-need%})

getting-started/client-blazor.md

@@ -10,7 +10,14 @@ position: 2
 
 # First Steps with Client-Side UI for Blazor
 
-This article explains how to get the <a href = "https://www.telerik.com/blazor-ui" target="_blank">Telerik UI for Blazor components</a> in your **Client-side (WebAssembly)** Blazor project and start using them quickly. You will create a new application from scratch, learn how to add the UI for Blazor components to a project, and finally, add a UI component to a view.
+This article explains how to get the <a href = "https://www.telerik.com/blazor-ui" target="_blank">Telerik UI for Blazor components</a> in your <a href = "https://www.telerik.com/faqs/blazor-ui/what-is-the-difference-between-blazor-webassembly-vs-server" target="_blank">Blazor WebAssembly app</a> and start using them quickly. You will create a new application from scratch, learn how to add the UI for Blazor components to a project, and finally, add a UI component to a view.
+
+> This article applies only to the following Visual Studio project templates:
+>
+> * **Blazor WebAssembly App**, which exists up to .NET 7.
+> * **Blazor WebAssembly Standalone App** for .NET 8.
+>
+> If you prefer the .NET 8 **Blazor Web App** template, then follow the [tutorial about .NET 8 Blazor Web App]({%slug getting-started/web-app%}).
 
 @[template](/_contentTemplates/common/get-started.md#prerequisites-download)
 

getting-started/server-blazor.md

@@ -10,7 +10,9 @@ position: 3
 
 # First Steps with Server-Side UI for Blazor
 
-This article explains how to get the Telerik UI for Blazor components in your <a href = "https://www.telerik.com/faqs/blazor-ui/what-is-the-difference-between-blazor-webassembly-vs-server" target="_blank">**Server-side** Blazor</a> project and start using them quickly. You will create a new application from scratch, learn how to add the UI for Blazor components to a project, and finally, add a UI component to a view.
+This article explains how to get the Telerik UI for Blazor components in your .NET 6 or 7 <a href = "https://www.telerik.com/faqs/blazor-ui/what-is-the-difference-between-blazor-webassembly-vs-server" target="_blank">Blazor Server app</a> and start using them quickly. You will create a new application from scratch, learn how to add the UI for Blazor components to a project, and finally, add a UI component to a view.
+
+> This article applies only to the **Blazor Server App** template in Visual Studio, which exists up to .NET 7. If you are using .NET 8, then follow the [tutorial about .NET 8 Blazor Web App]({%slug getting-started/web-app%}).
 
 @[template](/_contentTemplates/common/get-started.md#prerequisites-download)