sample context to set up connection to GP

gistfile1.txt

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.Entity;
using gp.entity.objects;

namespace gp.entity.data
{
    internal class Context : DbContext
    {
        public Context(string connectionString)
        {
            this.Database.Connection.ConnectionString = connectionString;
        }

        public DbSet<GL20000> GL20000 { get; set; }
    }
}