JavaScript base Custom Validator example in .NET

CustomValidationStatus.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;

namespace MyTest
{
	public class eStatus
	{
		public class CustomValidationStatus
		{
			public string status { set; get; }
			public string message { set; get; }
			public ArrayList errors { get; set; } 
		}			
	}
}

Program.cs

using System;
using Jint;
using Jint.Native;
using Newtonsoft.Json;
using MyTest;

namespace JSTest {
	class MainClass {
		public static void Main (string[] args) {
			Console.WriteLine ("Hello World!");
			string script = @"
				function customValidate(data){
					var d = JSON.parse(data);
					// do some validation...
					if (d['hello'] == 'world'){
						
					}
					var result = {
						'status':'error',
						'message':'hello world',
						'errors': ['test1','test3','test3']
					};
					return JSON.stringify(result);
				}
			";
			
			
			var engine = new Engine().Execute(script);
			JsValue jsval = engine.Invoke("customValidate", "{\"hello\":\"junk\"}");
			eStatus.CustomValidationStatus status = JsonConvert.DeserializeObject<eStatus.CustomValidationStatus>(jsval.ToString()); 
			Console.WriteLine (status.errors.Count + " errors detected: first error is ..." +  status.errors[0]);
		}
	}
}