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#VCHAT APP UPDATE#

Select Configure to create a new or select an existing Azure SignalR Service in the pane.

App Service: Create or select the App Service instance.Īdd the Azure SignalR Service dependency.Īfter the creation of the publish profile, you can see a recommendation message to add Azure SignalR service under Service Dependencies.

Specific target: All types of Azure App Service are supported.

Right-click the project and go to Publish.

Hence, it is recommended to enable sticky server sessions as shown below in appsettings.json: "Azure:SignalR:ServerStickyMode": "Required" However, if there are multiple app servers, there are chances that the client negotiation and connection may go to different servers which may lead to an inconsistent UI state management in a Blazor app. If there is a single app server, sticky sessions are ensured by design. In a Blazor Server app, UI states are maintained on the server side, which means a sticky server session is required to preserve state. In addition, the SignalR service's global reach and high-performance datacenters significantly aid in reducing latency due to geography. Azure SingalR Service allows for scaling up a Blazor Server app to a large number of concurrent SignalR connections. When you deploy the Blazor app to Azure App Service, we recommend that you use Azure SignalR Service. Īdd a few CSS classes to the site.css file to style the UI elements in the chat page.

#VCHAT APP UPDATE#

Update the NavMenu.razor component to insert a new NavLink component to link to the chat room under NavMenuCssClass. You are connected as display (var item in SendAsync(_newMessage))">Send Error (_message != banner to show current user Public string CSS => Mine ? "sent" : "received" Īdd the UI markup before the section to interact with the SignalR client. Public bool IsNotice => Body.StartsWith("") Public Message(string username, string body, bool mine) If (_isChatting & !string.IsNullOrWhiteSpace(message))Īwait _hubConnection.SendAsync("Broadcast", _username, message)

Private async Task SendAsync(string message) Public async Task Broadcast(string username, string message)Īwait ("Broadcast", username, message) Ĭonsole.WriteLine($" left chat room.") For more information on creating hubs, see Create and Use Hubs. NET CLI: dotnet new blazorserver -o BlazorChatĪdd a new C# file called BlazorChatSampleHub.cs and create a new class BlazorChatSampleHub deriving from the Hub class for the chat app. You also can create a project by running the dotnet new command in the. NET Core SDK 3.0+ to enable Visual Studio to correctly recognize the target framework.