Author : HASSAN MD TAREQ | Updated : 2021/01/15

GitHub GraphQL API Explorer

Top panel (query):

query($number_of_repos:Int!){
  viewer {
     repositories(last: $number_of_repos) {
       nodes {
        name,
        createdAt,
        updatedAt,
        url
       }
     }
   }
}

Bottom panel (query variables)

{
   "number_of_repos": 100
}

Deserialize from json file

Json to CSharp class

Models Repository.cs

public class Repository
{
	public string name { get; set; }
	public DateTime createdAt { get; set; }
	public DateTime updatedAt { get; set; }
	public string url { get; set; }
}

Deserialize

using System.Threading.Tasks;
using System.Net.Http;
using System.Net.Http.Json;



protected List<Repository> Repositories { get; set; }

Repositories = await Http.GetFromJsonAsync<List<Repository>>("sample-data/github-repos.json");

Debug.WriteLine($"Repos Count: {Repositories.Count}");

Deserialize from excaped string

Json to CSharp class

Minify JSON and escape json string

Deserialize JSON to CSharp object

C# classes

using System;
using System.Collections.Generic;

namespace Foo.Models
{
    public class Repository
    {
        public string name { get; set; }
        public DateTime createdAt { get; set; }
        public DateTime updatedAt { get; set; }
        public string url { get; set; }
    }

    public class GithubRepoInfo
    {
        public List<Repository> repositories { get; set; }
    }
}

Deserialize to C# object list

using System.Collections.Generic;
using System.Text.Json;


protected GithubRepoInfo GithubRepoInfo { get; set; }
protected List<Repository> RepoList { get; set; }

GithubRepoInfo = JsonSerializer.Deserialize<GithubRepoInfo>(JsonString);
RepoList = GithubRepoInfo.Repositories;

Sample json file

wwwroot/sample-data/github-repos.json

[
  {
    "name": "code-sharp",
    "createdAt": "2017-02-11T06:33:58Z",
    "updatedAt": "2020-02-15T05:48:58Z",
    "url": "https://github.com/hovermind/code-sharp"
  },
  {
    "name": "wpf-ninja",
    "createdAt": "2017-03-27T05:33:54Z",
    "updatedAt": "2020-09-05T08:48:09Z",
    "url": "https://github.com/hovermind/wpf-ninja"
  },
  {
    "name": "entity-flow",
    "createdAt": "2017-03-27T05:46:00Z",
    "updatedAt": "2019-01-03T19:50:22Z",
    "url": "https://github.com/hovermind/entity-flow"
  },
  {
    "name": "active-mvc",
    "createdAt": "2017-03-30T02:20:39Z",
    "updatedAt": "2017-03-31T14:21:53Z",
    "url": "https://github.com/hovermind/active-mvc"
  },
  {
    "name": "swiftly-swift",
    "createdAt": "2017-09-01T05:44:40Z",
    "updatedAt": "2020-04-01T09:23:32Z",
    "url": "https://github.com/hovermind/swiftly-swift"
  },
  {
    "name": "json-editor",
    "createdAt": "2017-10-19T01:06:51Z",
    "updatedAt": "2018-04-25T09:33:32Z",
    "url": "https://github.com/hovermind/json-editor"
  },
  {
    "name": "couchbase-lite-net",
    "createdAt": "2017-12-06T01:02:16Z",
    "updatedAt": "2017-12-06T01:02:20Z",
    "url": "https://github.com/hovermind/couchbase-lite-net"
  },
  {
    "name": "pi-sheet",
    "createdAt": "2017-12-27T00:32:20Z",
    "updatedAt": "2020-10-24T05:58:04Z",
    "url": "https://github.com/hovermind/pi-sheet"
  },
  {
    "name": "mongo-monk",
    "createdAt": "2018-02-27T13:08:00Z",
    "updatedAt": "2018-08-10T02:32:37Z",
    "url": "https://github.com/hovermind/mongo-monk"
  },
  {
    "name": "algos",
    "createdAt": "2018-03-28T15:00:29Z",
    "updatedAt": "2020-03-25T13:51:42Z",
    "url": "https://github.com/hovermind/algos"
  },
  {
    "name": "py-sheet",
    "createdAt": "2018-05-31T05:00:41Z",
    "updatedAt": "2020-03-19T06:55:33Z",
    "url": "https://github.com/hovermind/py-sheet"
  },
  {
    "name": "js-viz",
    "createdAt": "2018-06-18T07:56:05Z",
    "updatedAt": "2018-11-26T06:31:06Z",
    "url": "https://github.com/hovermind/js-viz"
  },
  {
    "name": "bootstrap-snippets",
    "createdAt": "2018-08-09T08:23:19Z",
    "updatedAt": "2020-08-13T13:22:43Z",
    "url": "https://github.com/hovermind/bootstrap-snippets"
  },
  {
    "name": "wpf-mvvm",
    "createdAt": "2018-09-05T11:43:05Z",
    "updatedAt": "2018-10-03T04:02:21Z",
    "url": "https://github.com/hovermind/wpf-mvvm"
  },
  {
    "name": "XF",
    "createdAt": "2018-11-01T09:45:16Z",
    "updatedAt": "2019-08-18T15:46:47Z",
    "url": "https://github.com/hovermind/XF"
  },
  {
    "name": "structured-logging",
    "createdAt": "2018-11-12T06:31:49Z",
    "updatedAt": "2018-11-12T07:54:42Z",
    "url": "https://github.com/hovermind/structured-logging"
  },
  {
    "name": "XamarinComponents",
    "createdAt": "2018-11-28T01:22:24Z",
    "updatedAt": "2018-11-28T01:22:37Z",
    "url": "https://github.com/hovermind/XamarinComponents"
  },
  {
    "name": "ef-core",
    "createdAt": "2019-01-04T15:57:16Z",
    "updatedAt": "2019-04-19T04:35:21Z",
    "url": "https://github.com/hovermind/ef-core"
  },
  {
    "name": "serilogging",
    "createdAt": "2019-01-13T16:39:19Z",
    "updatedAt": "2019-01-14T10:06:34Z",
    "url": "https://github.com/hovermind/serilogging"
  },
  {
    "name": "Plugin.SegmentedControl",
    "createdAt": "2019-04-12T15:15:01Z",
    "updatedAt": "2019-04-12T15:15:03Z",
    "url": "https://github.com/hovermind/Plugin.SegmentedControl"
  },
  {
    "name": "asp-net-core",
    "createdAt": "2019-04-18T06:51:36Z",
    "updatedAt": "2019-08-24T07:13:30Z",
    "url": "https://github.com/hovermind/asp-net-core"
  },
  {
    "name": "regex-snippets",
    "createdAt": "2019-05-24T02:55:32Z",
    "updatedAt": "2019-09-12T00:46:21Z",
    "url": "https://github.com/hovermind/regex-snippets"
  },
  {
    "name": "immutable-queue",
    "createdAt": "2019-08-18T06:06:25Z",
    "updatedAt": "2019-09-07T09:02:34Z",
    "url": "https://github.com/hovermind/immutable-queue"
  },
  {
    "name": "wealth-park-api",
    "createdAt": "2019-08-25T07:54:12Z",
    "updatedAt": "2019-08-25T13:34:22Z",
    "url": "https://github.com/hovermind/wealth-park-api"
  },
  {
    "name": "git-cs",
    "createdAt": "2019-11-22T01:25:26Z",
    "updatedAt": "2020-11-03T12:16:37Z",
    "url": "https://github.com/hovermind/git-cs"
  },
  {
    "name": "ios-wiki",
    "createdAt": "2019-12-03T06:22:26Z",
    "updatedAt": "2020-04-10T06:56:50Z",
    "url": "https://github.com/hovermind/ios-wiki"
  },
  {
    "name": "awesome-ios",
    "createdAt": "2019-12-12T06:55:22Z",
    "updatedAt": "2019-12-12T06:55:24Z",
    "url": "https://github.com/hovermind/awesome-ios"
  },
  {
    "name": "OpusKit",
    "createdAt": "2020-01-07T04:49:13Z",
    "updatedAt": "2020-01-07T04:49:14Z",
    "url": "https://github.com/hovermind/OpusKit"
  },
  {
    "name": "awesome-machine-learning",
    "createdAt": "2020-03-01T09:36:04Z",
    "updatedAt": "2020-04-14T04:32:01Z",
    "url": "https://github.com/hovermind/awesome-machine-learning"
  },
  {
    "name": "problem-solving",
    "createdAt": "2020-03-13T02:22:56Z",
    "updatedAt": "2020-03-13T02:22:56Z",
    "url": "https://github.com/hovermind/problem-solving"
  },
  {
    "name": "run-aspnetcore",
    "createdAt": "2020-04-24T05:32:16Z",
    "updatedAt": "2020-04-24T05:32:17Z",
    "url": "https://github.com/hovermind/run-aspnetcore"
  },
  {
    "name": "SecuringAspNetCore3WithOAuth2AndOIDC",
    "createdAt": "2020-06-18T03:05:09Z",
    "updatedAt": "2020-06-18T03:05:11Z",
    "url": "https://github.com/hovermind/SecuringAspNetCore3WithOAuth2AndOIDC"
  },
  {
    "name": "aspnet-core-identity",
    "createdAt": "2020-06-22T06:05:44Z",
    "updatedAt": "2020-06-22T06:05:45Z",
    "url": "https://github.com/hovermind/aspnet-core-identity"
  },
  {
    "name": "AspNetCoreOIDC",
    "createdAt": "2020-06-25T09:35:00Z",
    "updatedAt": "2020-06-28T18:15:40Z",
    "url": "https://github.com/hovermind/AspNetCoreOIDC"
  },
  {
    "name": "AspNetCoreModelBinding",
    "createdAt": "2020-06-26T01:51:04Z",
    "updatedAt": "2020-06-27T07:00:08Z",
    "url": "https://github.com/hovermind/AspNetCoreModelBinding"
  },
  {
    "name": "employee-management-blazor",
    "createdAt": "2020-07-24T08:38:34Z",
    "updatedAt": "2020-07-24T08:38:37Z",
    "url": "https://github.com/hovermind/employee-management-blazor"
  },
  {
    "name": "blazor-demos",
    "createdAt": "2020-08-04T15:22:26Z",
    "updatedAt": "2020-09-01T15:03:25Z",
    "url": "https://github.com/hovermind/blazor-demos"
  }
]