using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace WpfApp1
{
    class Helper
    {
        private static kafe2Entities s_context;
        public static kafe2Entities GetContext()
        {
            if(s_context == null)
            {
                s_context = new kafe2Entities();
            }
            return s_context;
        }
    }
}
