Why this switch does not work?

[Pastor84]

Hi everyone,

I have included a SWITCH function in a slider to alternate a visualization between a measure "A", a measure "B" and the sum of both if nothing is selected in the slider. The functions is as follows:

BF_Slicer =

IF(ISCROSSFILTERED(Balances[Concepto]),

SWITCH(true(),

VALUES(Balances[Concepto]) = "Curr. Acc.", [BF_CA],

VALUES(Balances[Concepto]) = "Term dep.", [BF_TD],

0), [BF_CA]+[BF_TD])

If I put this measure in a Tachometer visualization it works. However, If I put it in a Circle graph, it does not work when nothing is selected. (If there is something selected in the slider, there is no problem). The error I get  says it was expecting one single value and I provided several values.

Any idea what is wrong?

[AmiraBedh]

From the description of your problem, it seems the issue arises from the multi-value nature of the `VALUES` function when there's no selection in the slicer. This is especially true for visuals that expect single values.

1. When a single item is selected from the slicer:
- `ISCROSSFILTERED` returns TRUE and we enter the `SWITCH` function.
- `VALUES` will return a table with a single value, hence the comparisons you're making with `VALUES(Balances[Concepto])` are valid.

2. When no item is selected in the slicer:
- `ISCROSSFILTERED` returns FALSE.
- The formula goes to the else-part, which is `[BF_CA]+[BF_TD]`, and there shouldn’t be a problem here as it’s just a sum of two measures.

3. When multiple items are selected:
- This is probably where the problem arises. `VALUES` returns a table of multiple values, which isn’t valid for direct comparisons like `VALUES(Balances[Concepto]) = "Curr. Acc."`. If the visual is expecting a single value, it'll throw an error.

BF_Slicer =
VAR SelectedValueCount = COUNTROWS(VALUES(Balances[Concepto]))
RETURN
IF(
SelectedValueCount = 0, [BF_CA] + [BF_TD],
IF(
SelectedValueCount = 1,
SWITCH(TRUE(),
VALUES(Balances[Concepto]) = "Curr. Acc.", [BF_CA],
VALUES(Balances[Concepto]) = "Term dep.", [BF_TD],
BLANK()
),
BLANK() -- This line handles multiple selections, you can modify this to return a specific value or just blank
)
)