EnVisageOnline/Main/Source/EnVisage/Code/BLL/ExpenditureManager.cs

using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Linq;
using System.Web.Mvc;
using EnVisage.Models;

namespace EnVisage.Code.BLL
{
	public class ExpenditureManager : ManagerBase<Expenditure, ExpenditureModel>
	{
		public ExpenditureManager(EnVisageEntities dbContext)
            : base(dbContext)
        {
        }

		protected override Expenditure InitInstance()
        {
			return new Expenditure { Id = Guid.NewGuid() };
        }

		protected override Expenditure RetrieveReadOnlyById(Guid key)
        {
            return DataTable.AsNoTracking().FirstOrDefault(t => t.Id == key);
        }

		public override DbSet<Expenditure> DataTable => DbContext.Expenditures;

		public IEnumerable<SelectListItem> GetExpenditures()
		{
			return DataTable.AsNoTracking()
				.OrderBy(e => e.Name)
				.Select(e => new SelectListItem
							{
								Value = e.Id.ToString(),
								Text = e.Name
							}).ToList();
		}
	}
}