global.asax.cs

using System;
using System.Collections.Generic;
using System.Web.Http;
using System.Web.Mvc;
using System.Web.Routing;
using FamilyClub.Data.Mappers;
using FamilyClub.Model;
using TecUnica.Core.Data.NPoco;

namespace FamilyClub
{
    public class MvcApplication : System.Web.HttpApplication
    {
        protected void Application_Start()
        {
            AreaRegistration.RegisterAllAreas();
            var container = Bootstrapper.Initialize();

            WebApiConfig.Register(GlobalConfiguration.Configuration);
            RouteConfig.RegisterRoutes(RouteTable.Routes);
            FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters, container);

            var mappers = new Dictionary<Type, INPocoMapper>
                {
                    { typeof (Brand), new BrandMapper() },
                    { typeof (Campaign), new CampaignMapper() },
                    { typeof (Catalogue), new CatalogueMapper() },
                    { typeof (Reward), new RewardMapper() },
                    { typeof (Participant), new ParticipantMapper() },
                    { typeof (ParticipantInterest), new ParticipantInterestMapper() }
                };

            NPoco.Database.Mapper = new NPocoEntityMapper(mappers);
        }
    }
}

mapper.cs

using System.Collections.Generic;
using NPoco;
using TecUnica.Core.Data.NPoco;

namespace FamilyClub.Data.Mappers
{
    public class CampaignMapper : INPocoMapper
    {
        public TableInfo GetTableInfo()
        {
            return new TableInfo
                {
                    AutoIncrement = true,
                    PrimaryKey = "idCampaign",
                    TableName = "tbCampaign"
                };
        }

        public IEnumerable<EntityMapping> GetMapping()
        {
            return new[]
                {
                    new EntityMapping { ClassPropertyName = "Id", DatabaseColumnName = "idCampaign" },
                    new EntityMapping { ClassPropertyName = "Name", DatabaseColumnName = "camName"}
                };
        }
    }
}