C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
using System.ComponentModel.DataAnnotations;

namespace HelloWorldMvcApp
{
	public class SampleViewModel
	{
		[Required]
		[MinLength(10)]
		[MaxLength(100)]
		[Display(Name = "Ask Magic 8 Ball any question:")]
		public string Question { get; set; }

		//See here for list of answers
		public string Answer { get; set; }
	}
}

Model

​x
 
using System;
using System.ComponentModel.DataAnnotations;
​
namespace HelloWorldMvcApp
{
    public class SampleViewModel
    {
        [Required]
        [MinLength(10)]
        [MaxLength(100)]
        [Display(Name = "Ask Magic 8 Ball any question:")]
        public string Question { get; set; }
​
        //See here for list of answers
        public string Answer { get; set; }
    }
}

@model HelloWorldMvcApp.SampleViewModel
@{
	Layout = null;
}

<!DOCTYPE html>

<html lang="en">
	<head>
		<meta charset="utf-8">
		<meta http-equiv="X-UA-Compatible" content="IE=edge">
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<title>Apollo Sandbox</title>

		<!-- Eruda -->
		<script src="//cdn.jsdelivr.net/npm/eruda"></script>
        <script>eruda.init();</script>		
			
	</head>
	
	<body><!--
		<div id="apollo" style="position:absolute;top:0;right:0;bottom:0;left:0"></div>-->
        <script src="https://embeddable-sandbox.cdn.apollographql.com/_latest/embeddable-sandbox.umd.production.min.js"></script>
		
		
		<button id="somebutton">Click me</button>
		<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.0/jquery.min.js"></script>
		<script type="text/javascript">/*
			new window.EmbeddedSandbox({
            target: "#apollo",
            initialEndpoint: "@Url.RouteUrl(new { action="Graphql", controller="Home"})",
            });*/
			
			$("#somebutton").click(function(){
			$.ajax({
			url: "@Url.RouteUrl(new{ action="GetAnswer", controller="Home" })",
			data: { model :JSON.stringify({ name: "dbdh" })},/*
			data: JSON.stringify({ Msg : "hdhdjdjdj"}),*/
			type: 'POST',/*
			
			
			contentType: 'application/json; charset=utf-8',*/
			success: function(res) {
			console.log(res)
			}
			})
			})
			
			var sse = new EventSource("@Url.RouteUrl(new{ action="Stream", controller="Home"})")
			sse.onmessage = function(e){
			console.log(e.data)
			}

		</script>
	</body>
</html>

View

 
@model HelloWorldMvcApp.SampleViewModel
@{
    Layout = null;
}
​
<!DOCTYPE html>
​
<html lang="en">
    <head>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <title>Apollo Sandbox</title>
​
        <!-- Eruda -->
        <script src="//cdn.jsdelivr.net/npm/eruda"></script>
        <script>eruda.init();</script>      
            
    </head>
    
    <body><!--
        <div id="apollo" style="position:absolute;top:0;right:0;bottom:0;left:0"></div>-->
        <script src="https://embeddable-sandbox.cdn.apollographql.com/_latest/embeddable-sandbox.umd.production.min.js"></script>
        
        
        <button id="somebutton">Click me</button>
        <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.0/jquery.min.js"></script>
        <script type="text/javascript">/*
            new window.EmbeddedSandbox({
            target: "#apollo",
            initialEndpoint: "@Url.RouteUrl(new { action="Graphql", controller="Home"})",
            });*/
            
            $("#somebutton").click(function(){
            $.ajax({
            url: "@Url.RouteUrl(new{ action="GetAnswer", controller="Home" })",
            data: { model :JSON.stringify({ name: "dbdh" })},/*
            data: JSON.stringify({ Msg : "hdhdjdjdj"}),*/
            type: 'POST',/*
            
            
            contentType: 'application/json; charset=utf-8',*/
            success: function(res) {
            console.log(res)
            }
            })
            })
            
            var sse = new EventSource("@Url.RouteUrl(new{ action="Stream", controller="Home"})")
            sse.onmessage = function(e){
            console.log(e.data)
            }
​
        </script>
    </body>
</html>
​

using System;
//using System.IO;
using System.Threading.Tasks;
using System.Threading;
using System.Linq;
using System.Web.Mvc;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using GraphQL.NewtonsoftJson;
using GraphQL;
using GraphQL.Types;
using System.Web.Http;
using System.Collections.Generic;
using HelloWorldMvcApp;

namespace HelloWorldMvcApp
{
	public class HomeController : Controller
	{
		[HttpGet]
		public ActionResult Index()
		{
			return View(new SampleViewModel());
		}
		public async Task<ActionResult> GetAnswer(string model)
		{
		return Json(model);
		}
		
		
		
		[HttpPost]
		public async Task<ActionResult> Graphql(string body) {
		var graphqlBody = JsonConvert.DeserializeObject<GraphqlBody>(body);
		var schema = Schema.For(@" type Query { hello: String } "); 
		var root = new { Hello = "Hello World!" }; 
		var result = await schema.ExecuteAsync(_=>{
		_.Query = graphqlBody.Query;
		_.Root = root;
		//_.Variables = graphqlBody.Variables.ToInputs();
		}).ConfigureAwait(false);
		return Json(new{data=new{Msg="Hi"}});
		}
		
		
		[HttpGet]
		public async Task Stream()
		{
		var response = Response;
		response.AddHeader("Content-Type","text/event-stream");
		for(var i = 0; true; ++i)
        {
            response.Write("data: "+ DateTime.Now +"\r\r");
            response.Flush();
            await Task.Delay(5 * 1000);
        }
		
		}
		
		public class GraphqlBody
		{
		public string Query { get; set;}
		public string OperationName { get; set; }
		public JObject Variables { get; set; }
		}
	}
}

Controller

 
using System;
//using System.IO;
using System.Threading.Tasks;
using System.Threading;
using System.Linq;
using System.Web.Mvc;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using GraphQL.NewtonsoftJson;
using GraphQL;
using GraphQL.Types;
using System.Web.Http;
using System.Collections.Generic;
using HelloWorldMvcApp;
​
namespace HelloWorldMvcApp
{
    public class HomeController : Controller
    {
        [HttpGet]
        public ActionResult Index()
        {
            return View(new SampleViewModel());
        }
        public async Task<ActionResult> GetAnswer(string model)
        {
        return Json(model);
        }
        
        
        
        [HttpPost]
        public async Task<ActionResult> Graphql(string body) {
        var graphqlBody = JsonConvert.DeserializeObject<GraphqlBody>(body);
        var schema = Schema.For(@" type Query { hello: String } "); 
        var root = new { Hello = "Hello World!" }; 
        var result = await schema.ExecuteAsync(_=>{
        _.Query = graphqlBody.Query;
        _.Root = root;
        //_.Variables = graphqlBody.Variables.ToInputs();
        }).ConfigureAwait(false);
        return Json(new{data=new{Msg="Hi"}});
        }
        
        
        [HttpGet]
        public async Task Stream()
        {
        var response = Response;
        response.AddHeader("Content-Type","text/event-stream");
        for(var i = 0; true; ++i)
        {
            response.Write("data: "+ DateTime.Now +"\r\r");
            response.Flush();
            await Task.Delay(5 * 1000);
        }
        
        }
        
        public class GraphqlBody
        {
        public string Query { get; set;}
        public string OperationName { get; set; }
        public JObject Variables { get; set; }
        }
    }
}

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