DAX: _ = BLANK() and ISBLANK(_) are different!
They really don't behave the same way.
https://dax.guide/blank/
| Expression | Result |
|---|---|
NULL = BLANK() |
true |
0 = BLANK() |
true |
"" = BLANK() |
true |
NULL == BLANK() |
true |
0 == BLANK() |
false |
"" == BLANK() |
false |
ISBLANK(NULL) |
true |
ISBLANK(0) |
false |
ISBLANK("") |
false |