Measure to filter month sales data

Hi MCG ,

Your measure seems to be wrong:

Please try this instead:

Measure = 
var _maxDate=CALCULATE(max('Months'[Date]),ALL('Months'))
var _dateStart=DATE(YEAR(_maxDate)-1,MONTH(_maxDate)+1,1)
var _dateEnd=DATE(YEAR(_maxDate)-1,12,31)
var sales=CALCULATE(SUM(Months[Sales]),DATESBETWEEN('Months'[Date],_dateStart,_dateEnd))
return sales

If you want to dynamically show the X-axis base on the selected date period, you may apply a flag measure to filter pane ,like this:

Flag = 
var _maxDate=CALCULATE(max('Months'[Date]),ALL('Months'))
var _dateStart=DATE(YEAR(_maxDate)-1,MONTH(_maxDate)+1,1)
var _dateEnd=DATE(YEAR(_maxDate)-1,12,31)
return IF(MAX('Months'[Date]) >=_dateStart && MAX('Months'[Date])<=_dateEnd,1,0)

Best Regards,
Eyelyn Qin
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