Real-time Data fetching with GraphQL and Blazor

GraphQL supports the ability to subscribe to event streams to enable somewhat real-time scenarios for both clients and servers.

In this episode of the On .NET show, HotChocolate author Michael Staib returns to show us how to enable real-time data fetching with GraphQL using subscriptions .

• [02:02] - What is real-time data fetching?
• [04:30] - What are subscriptions used for?
• [05:48] - Setting up a GraphQL client in Blazor (Demo)
• [10:55] - Updating the GraphQL schema with fragments
• [16:38] - Updating the Razor components
• [24:48] - Using GraphQL variables
• [28:18] - Adding subscriptions

Useful Links

• HotChocolate in GitHub
• Subscriptions in GraphQL spec
• Introductions to ASP.NET core