private void LoadDataToCollection()
        {
            AutoCompleteStringCollection auto1 = new AutoCompleteStringCollection();

            txtSearch.AutoCompleteMode   = AutoCompleteMode.Append;
            txtSearch.AutoCompleteSource = AutoCompleteSource.CustomSource;
            txtSearch.AutoCompleteMode   = AutoCompleteMode.Suggest;
            txtSearch.AutoCompleteSource = AutoCompleteSource.CustomSource;

            string[] arrayName = mySvBUL.LayDsIDSv().ToArray();
            foreach (string name in arrayName)
            {
                auto1.Add(name);
            }

            txtSearch.AutoCompleteCustomSource = auto1;
            txtSearch.AutoCompleteCustomSource = auto1;
        }