DEVELOP

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

namespace acervo.DAL { class DataContextFactory { private static acervoDataContext dataContext; acervoDataContext DataContext

    {  

        get
        {
            if (dataContext == null)
                dataContext = new acervoDataContext();
            return dataContext;

        }
    }
}

}