使用以下公式
=INDEX($A$2:$B$6,MATCH($D2,$B$2:$B$6,0),1)
从incolD匹配创建。问题是当它没有找到匹配项时,它会放入.item_idsmodel_numcolCmodel_numcolC#N/AcolD
item_id (colA) model_num (colB) data (colC) new_data (colD)
-------- ---------- ------- ----------
870834 FD021 FD1424B 10752514
16595156 S3TA03B Not Required #N/A
10752514 FD1424B S3TA03B 16595156
10756167 SU03B Included with Kit #N/A
14667130 KDAD SU03B 10756167
如果它没有找到匹配项,它应该只是将已经存在的内容复制colC到colD.
item_id (colA) model_num (colB) data (colC) new_data (colD)
-------- ---------- ------- ----------
870834 FD021 FD1424B 10752514
16595156 S3TA03B Not Required Not Required
10752514 FD1424B S3TA03B 16595156
10756167 SU03B Included with Kit Included with Kit
14667130 KDAD SU03B 10756167
问题
当公式找不到匹配项时,colC我如何告诉它只复制 to 的colC内容colD?