ValidationService Class

public class ValidationService

Public Class ValidationService

public ref class ValidationService

type ValidationService = class end

GSF.Validation.ValidationService = function();

Type.createClass(
	'GSF.Validation.ValidationService');

using System;
using System.Collections.Generic;
using GSF.Validation;

class Program
{
    static void Main(string[] args)
    {
        // Dictionary where captured user input is saved.
        Dictionary<string, string> input = new Dictionary<string, string>();

        // Validation service that will validate user input.
        ValidationService validation = new ValidationService(delegate(string source)
            {
                string value;
                if (input.TryGetValue(source, out value))
                    return input[source];
                else
                    return string.Empty;
            });

        // Add validation rules to the validation service.
        validation.AddValidation("Name", new NonNullStringValidator());
        validation.AddValidation("Email", new EmailAddressValidator());

        // Capture user input.
        Console.Write("Enter name: ");
        input["Name"] = Console.ReadLine();
        Console.Write("Enter email: ");
        input["Email"] = Console.ReadLine();
        Console.WriteLine("");

        // Validate user input.
        string errors;
        if (!validation.Validate(out errors))
            Console.WriteLine(errors);
        else
            Console.WriteLine("No validation errors were found!");

        Console.ReadLine();
    }
}