DAOCategoria

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using ENTIDADES;
using System.Web;
using System.Web.Configuration;

namespace DAO
{
    public class DAOCategoria
    {
        private string cadena;
        public DAOCategoria()
        {
            cadena = WebConfigurationManager.ConnectionStrings["cadena"].ConnectionString;
        }
        public List<eCategoria> ListarTodo()
        {
            SqlConnection con = new SqlConnection(cadena);
            SqlCommand cmd = new SqlCommand("SP_CATEGORIA_LISTAR_TODO", con);
            List<eCategoria> lista = new List<eCategoria>();
            con.Open();
            SqlDataReader lector = cmd.ExecuteReader();
            while (lector.Read())
            {
                eCategoria p = new eCategoria();
                p.IdCategoria = lector.GetInt32(0);
                p.NombreCat = lector.GetString(1);
                lista.Add(p);
            }
            con.Close();
            return lista;
        }
    }
}