Building modern applications with GraphQL 2023 and beyond in ASP.NET Core 7
summary
Builds a GraphQL backend on ASP.NET Core 7 using Hot Chocolate, showing a live crypto dashboard (one GraphQL request per view) with queries, mutations, subscriptions and cursor pagination. Demonstrates server-side projection/filter/sort middlewares, request-scoped DbContext, and batching via DataLoader to collapse many REST calls into one. Covers upcoming features defer and stream for incremental patches and claims Hot Chocolate yields faster responses than equivalent REST endpoints in benchmarks. Code runs as a minimal API example.
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chapters (16)
- 0:00GraphQL introduction
- 2:07What is GraphQL
- 7:49GraphQL for mobile apps
- 12:30GraphQL operations
- 12:50GraphQL server in ASP.NET
- 21:45Modern GraphQL apps
- 22:50Entity Framework with GraphQL
- 25:45Cursor-based pagination
- 28:20Filtering and sorting queries
- 33:36Field middleware optimization
- 34:19External services integration
- 42:21GraphQL mutations
- 44:31Mutation error handling
- 49:09Real-time subscriptions
- 57:01Defer and stream
- 1:00:04GraphQL future
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