public bool loadRawDataTable()
        {
            FirebaseResponse getResponse = firebaseDB.Get();

            Console.WriteLine(getResponse.Success);

            if (getResponse.Success)
            {
                var dictionary = JsonConvert.DeserializeObject <Dictionary <string, Contacts> >(getResponse.JSONContent);



                cTable = new DataTable();
                cTable = DictionaryToDataTable.ConvertTo <Contacts>(dictionary, "DemoTable");
            }

            tblFiltered = cTable.AsEnumerable()
                          .Where(r => r.Field <string>("Category") == "Admin")
                          .CopyToDataTable();



            string name  = tbFirstName.Text.Trim();
            string email = tbEmail.Text.Trim();

            bool contains = tblFiltered.AsEnumerable().Any(row => name == row.Field <String>("Name")) && tblFiltered.AsEnumerable().Any(row => email == row.Field <String>("Email"));


            return(contains);

            //    var result = tblFiltered.Rows.Find(tbEmail.Text);
        }
        public DataTable loadRawDataTable()
        {
            FirebaseResponse getResponse = firebaseDB.Get();

            Console.WriteLine(getResponse.Success);

            if (getResponse.Success)
            {
                var dictionary = JsonConvert.DeserializeObject <Dictionary <string, Contacts> >(getResponse.JSONContent);



                cTable = new DataTable();
                cTable = DictionaryToDataTable.ConvertTo <Contacts>(dictionary, "DemoTable");
            }

            tblFiltered = cTable.AsEnumerable()
                          .Where(r => r.Field <string>("Category") != "Admin")
                          .CopyToDataTable();
            dgvContactView.DataSource = tblFiltered;
            return(tblFiltered);
        }