private AutoCompleteStringCollection Tao_Data_AutoComplete_Cbo_TenHocSinh() { DataTable tb = _hocSinhBUS.LayDT_TenHocSinh(); var cl = new AutoCompleteStringCollection(); foreach (DataRow rd in tb.Rows) { cl.Add(rd["TenHocSinh"].ToString()); string[] hoten = ObjectUtil.LayHoTen(rd["TenHocSinh"].ToString()); if (hoten[0] != "") { cl.Add(hoten[0]); } if (hoten[1] != "") { cl.Add(hoten[1]); } if (hoten[2] != "") { cl.Add(hoten[2]); } } return(cl); }