How to query JSON data using LINQ?
Short answer: How to query JSON data using LINQ? using System.Text.Json; using System.Text.Json.Nodes; string json = @"[{""Name"":""Alice"",""Age"":30},{""Name"":""Bob"",""Age"":25}]"; JsonArray arr = JsonNode.Parse(json).AsArray(); var names = arr.Select(node => node["Name"].GetValue<string>()); foreach (var name in names) Console.WriteLine(name); Follow :… Explanation:…… Use System.Text.Json to parse JSON, then LINQ to query…
Real-world example (ShopNest)
ShopNest uses LINQ to query orders: filter by date, project to a summary DTO, and order by total—readable C# that becomes SQL under EF Core.
Say this in the interview
- Define — one clear sentence (the short answer above).
- Example — relate it to a project like ShopNest or your real work.
- Trade-off — when you would not use it.
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