SELECTEDVALUE with Slicer Selection

Hi IF

Ok, I didn't understand you well last time.
You have two solutions:
1. Create one additional Slider column based on slider1 and slider2. (If slider1 = #, take slider2, otherwise slider1).
Add a new column as a slider and use it for filtering.

2. Create a measure:

ValueMeasure = 
VAR _slider1 = SELECTEDVALUE('Table'[Slider1])

RETURN
IF(ISFILTERED('Table'[Slider1]),
CALCULATE(Sum('Table'[Value]), All('Table'[Slider2])),
CALCULATE(Sum('Table'[Value]), FILTER('Table', 'Table'[Slider1] = "#"))
)

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