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CARRIER2 thành phần của từ điển cấu trúc DEMOF4HELP ABAP là giao cho lĩnh vực đầu vào. Dropdown thuộc tính của nó được thiết lập để L, và nó có chiều dài 15 đầu ra. Các thuộc tính danh sách giá trị là trống rỗng, và nó có chức năng mã CARRIER. | F SAP AG BC - ABAP Programming Dropdown Boxes DEMOF4HELP-CONNID. ENDIF. ENDMODULE. The next screen statically defined for screen 100 is 200. It has the following layout Airline Air Canada Air France Alitalia American Airlines British Airways Continental Airways Cancel The component CARRIER2 of the ABAP Dictionary structure DEMOF4HELP is assigned to the input field. Its Dropdown attribute is set to L and it has the output length 15. The Value list attribute is empty and it has the function code CARRIER. The pushbutton has the function code CANCEL with function type E. The screen flow logic is as follows PROCESS BEFORE OUTPUT. PROCESS AFTER INPUT. MODULE CANCEL AT EXIT-COMMAND. MODULE USER_COMMAND_100. The next screen statically defined for screen 200 is 100. It has the following layout Flight number 13 30 00 NEW YORK SAN FRANCISCO 09 00 00 SAN FRANCISCO NEW YORK 12 00 00 FRANKFURT MIAMI 13 30 00 NEW YORK SAN FRANCISCO 09 00 00 SAN FRANCISCO NEW YORK 12 00 00 FRANKFURT MIAMI Cancel I The component CONNID of the ABAP Dictionary structure DEMOF4HELP is assigned to the input field. Its Dropdown attribute is set to L and it has the output December 1999 615 BC - ABAP Programming F SAP AG Dropdown Boxes length 30. The Value list attribute is set to A and it has the function code SELECTED. The pushbutton has the function code CANCEL with function type E. The screen flow logic is as follows PROCESS BEFORE OUTPUT. MODULE INIT_LISTBOX. PROCESS AFTER INPUT. MODULE CANCEL AT EXIT-COMMAND. MODULE USER_COMMAND_200. The user cannot type any values into the screen fields. When he or she chooses the input field on screen 100 a value list appears in the list box compiled from the input help for the field DEMOF4HELP-CARRIER2. This is the search help H_SCARR which is assigned to the check table SCARR. The value list contains the names of the airlines. When the user chooses an entry the screen field is filled with the airline code and the PAI event is triggered. The module .
