控制物料描述增強

1.回車時觸發，使用隱式增強，位置在函數MAKT_MAKTX結束時 if sy-tcode = 'MM01' or sy-tcode = 'MM02'. data: ls_makt like makt, lv_msg(255). SELECT SINGLE * INTO ls_makt FROM makt WHERE maktx = wmakt-maktx and matnr ne wmakt-m

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