abap里面的AT USER-COMMAND事件到底怎么用啊.SELECTION-SCREEN PUSHBUTTON /1(20) PUBU1 USER-COMMAND ABCD.SELECTION-SCREEN SKIP.SELECTION-SCREEN PUSHBUTTON /1(20) PUBU2 USER-COMMAND ABCE.AT USER-COMMAND.CASE sy-ucomm.WHEN 'ABCD'.MESSAGE I005(Ms

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abap里面的AT USER-COMMAND事件到底怎么用啊.SELECTION-SCREEN PUSHBUTTON /1(20) PUBU1 USER-COMMAND ABCD.SELECTION-SCREEN SKIP.SELECTION-SCREEN PUSHBUTTON /1(20) PUBU2 USER-COMMAND ABCE.AT USER-COMMAND.CASE sy-ucomm.WHEN 'ABCD'.MESSAGE I005(Ms
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abap里面的AT USER-COMMAND事件到底怎么用啊.SELECTION-SCREEN PUSHBUTTON /1(20) PUBU1 USER-COMMAND ABCD.SELECTION-SCREEN SKIP.SELECTION-SCREEN PUSHBUTTON /1(20) PUBU2 USER-COMMAND ABCE.AT USER-COMMAND.CASE sy-ucomm.WHEN 'ABCD'.MESSAGE I005(Ms
abap里面的AT USER-COMMAND事件到底怎么用啊.
SELECTION-SCREEN PUSHBUTTON /1(20) PUBU1 USER-COMMAND ABCD.
SELECTION-SCREEN SKIP.
SELECTION-SCREEN PUSHBUTTON /1(20) PUBU2 USER-COMMAND ABCE.
AT USER-COMMAND.
CASE sy-ucomm.
WHEN 'ABCD'.
MESSAGE I005(MsgClass) WITH '111'.
WHEN 'ABCE'.
MESSAGE I005(MsgClass) WITH '222'.
WHEN OTHERS.
MESSAGE I005(MsgClass) WITH '333'.
ENDCASE.
上面两个按钮怎么点都没反应啊,上面的代码怎么改一下可以执行CASE和WHEN里面的语句?

abap里面的AT USER-COMMAND事件到底怎么用啊.SELECTION-SCREEN PUSHBUTTON /1(20) PUBU1 USER-COMMAND ABCD.SELECTION-SCREEN SKIP.SELECTION-SCREEN PUSHBUTTON /1(20) PUBU2 USER-COMMAND ABCE.AT USER-COMMAND.CASE sy-ucomm.WHEN 'ABCD'.MESSAGE I005(Ms
把AT USER-COMMAND.换成AT SELECTION-SCREEN .
AT SELECTION-SCREEN .是选择屏幕的PAI事件.

abap里面的AT USER-COMMAND事件到底怎么用啊.SELECTION-SCREEN PUSHBUTTON /1(20) PUBU1 USER-COMMAND ABCD.SELECTION-SCREEN SKIP.SELECTION-SCREEN PUSHBUTTON /1(20) PUBU2 USER-COMMAND ABCE.AT USER-COMMAND.CASE sy-ucomm.WHEN 'ABCD'.MESSAGE I005(Ms abap中user-command什么意思? 线虫的comma abap中%的意思 abap 的BDC用法 abap bdc的概念? abap中AT USER-COMMAND.DATA:NUMBER1 TYPE I VALUE 20,NUMBER2 TYPE I VALUE 5,RESULT TYPE I.START-OF-SELECTION.WRITE:/ NUMBER1,',NUMBER2.AT USER-COMMAND.CASE SY-UCOMM.WHEN 'ADD'.RESULT = NUMBER1 + NUMBER2.WHEN 'SUBT'.RESULT = NUMBER1 - NUMBER2.WHEN 'MUL 请教一个abap事件AT SELECTION-SCREEN的问题.我在程序里面定义了AT SELECTION-SCREEN的判断条件：AT SELECTION-SCREEN.IF ftr 'y'.RETURN.ENDIF.START-OF-SELECTION.WRITE / 'START-OF-SELECTION事件'.END-OF-SELECTION.WRITE / 'END-OF-SELE ABAP中以%开头的参数是什么意思 abap中modify和collect的用法? 在User类中 的 public User(){ } user的意思 comma是什么? comma nd user The user is currently at another location 为什么SELECT * FROM [user]可以打开表格,而SELECT * FROM user报错在关键字 'user' 附近有语法错误.如题,这是在查询分析器里面输入的 abap 计算两个时间间隔的月数的函数.