Power BI - selection如何显示多选的结果 CONCATENATEX

CONCATENATEX(<table>, <expression>[, <delimiter> [, <orderBy_expression> [, <order>]]...])

 REF:https://community.powerbi.com/t5/Desktop/display-multiple-elements-with-SELECTEDVALUE/m-p/650754

https://docs.microsoft.com/zh-cn/dax/concatenatex-function-dax