private void ResolveWeakEntities_MVD()
        {
            List <string> weak = new List <string>();

            foreach (Tuple <string, string> tup in weakEntities)
            {
                Tuple <string, List <string> > find = relations.Find(obj => obj.Item1 == tup.Item1 || obj.Item1 == tup.Item2);
                if (find == null)
                {
                    string n = tup.Item1;
                    weak.Add(n);
                }
            }

            MVD_Resolution_Form mvd_form = new MVD_Resolution_Form(weak);

            mvd_form.ShowDialog();
            multiValuedAttr = mvd_form.mvd;
        }
        private void ResolveWeakEntities_MVD()
        {
            List<string> weak = new List<string>();

            foreach(Tuple<string, string> tup in weakEntities)
            {
                Tuple<string, List<string>> find = relations.Find(obj => obj.Item1 == tup.Item1 || obj.Item1 == tup.Item2);
                if(find == null)
                {
                    string n = tup.Item1;
                    weak.Add(n);
                }
            }

            MVD_Resolution_Form mvd_form = new MVD_Resolution_Form(weak);
            mvd_form.ShowDialog();
            multiValuedAttr = mvd_form.mvd;
        }