ABAP Messages - SE91

SE91

REPORT zqc_test_00.
DATA conn TYPE dbcon-con_name.
SELECT * FROM ekpo UP TO 100 ROWS
  INTO TABLE @DATA(result).

*cl_demo_output=>display( result ).
*
*cl_demo_input=>request( CHANGING field = conn ).
*
*SELECT SINGLE @abap_true
*       FROM dbcon
*       WHERE con_name = @conn
*       INTO @DATA(dbtype).
*IF sy-subrc <> 0.
*  cl_demo_output=>display( 'Connection not in DBCON' ).
*  RETURN.
*ENDIF.
*MESSAGE a001(zqc) WITH 'Quang Cao'.
MESSAGE e001(zqc) WITH 'Email requested but email address is blank quang' ' test' 'test3' 'test4'.