UserModel.cs(Model)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.ComponentModel.DataAnnotations;
using System.Web.Mvc;

namespace OverTime.Models
{
    public class UserModel
    {
        public IEnumerable<string> Items { get; set; }
        public Pager Pager { get; set; }

        public int usr_Id { get; set; }

        [Display(Name = "Username")]
        [Required(ErrorMessage="Username is required")]
        [RegularExpression(@"^[a-zA-Z0-9]+$", ErrorMessage = "user name must be combination of letters and numbers only.")]
        public string username { get; set; }

        [Display(Name = "Email")]
        [Required(ErrorMessage = "Email is required")]
        [EmailAddress(ErrorMessage="Invalid email address")]
        public string email { get; set; }

        [Display(Name = "Password")]
        [Required(ErrorMessage = "Password is required")]
        [Remote("CheckEmail", "Account")]
        public string password { get; set; }

        [Display(Name = "Confirm Password")]
        [Required(ErrorMessage = "Confirmation of password is required")]
        //[Compare("password", ErrorMessage="Passwords do not match")]
        public string confirmPassword { get; set; }
    }

    public  class Pager
    {
        public Pager(int totalItems, int? page, int pageSize = 10)
        {
            var totalPage = (int)Math.Ceiling((decimal)totalItems / (decimal)pageSize);
            var currentPage = page != null ? (int)page : 1;
            var startPage = currentPage - 5;
            var endPage = currentPage + 4;

            if (startPage <= 0)
            {
                endPage -= (startPage - 1);
                startPage = 1;
            }
            if (endPage > totalPage)
            {
                endPage = totalPage;

                if (endPage > 10)
                {
                    startPage = endPage - 9;
                }
            }

            TotalItems = totalItems;
            CurrentPage = currentPage;
            PageSize = pageSize;
            TotalPages = totalPage;
            StartPage = startPage;
            EndPage = endPage;

        }

        public int TotalItems { get; private set; }
        public int CurrentPage { get; private set; }
        public int PageSize { get; private set; }
        public int TotalPages { get; private set; }
        public int StartPage { get; private set; }
        public int EndPage { get; private set; }

    }



}