In Power BI, you have a report where users select a product category via a slicer. Your SELECTEDVALUE function returns blank for some slicer selections. What is the most likely cause?

The slicer selection includes multiple values, but SELECTEDVALUE expects a single value.

The column being referenced is a numeric column.

The slicer is set to "single select" mode by default.

The SELECTEDVALUE function is not supported in this context.

When using SELECTEDVALUE in a DAX measure, how can you handle cases where multiple values are selected to avoid the measure returning a blank value?

Use an IF statement to check if HASONEVALUE is true and provide a default value.

Apply the ALL function to ignore the context.

Use a SWITCH statement with different scenarios.

Use the FILTER function to force a single selection.

A report has a year slicer, and you want to display a measure only if a single year is selected. Which combination of DAX functions would be most effective?

DISTINCTCOUNT with SELECTEDVALUE

Why does the SELECTEDVALUE function return blank when used in a DAX measure within a calculated column in a table with multiple relationships?

SELECTEDVALUE does not work properly in a row context where multiple relationships exist.

It requires an active relationship to function correctly.

It is restricted to use in calculated columns only.

In a scenario where a user selects multiple regions from a slicer, and your measure must return "Multiple Selected," which DAX formula would achieve this?

IF(HASONEVALUE('Table'[Region]), SELECTEDVALUE('Table'[Region]), "Multiple Selected")

SWITCH(HASONEVALUE('Table'[Region]), "Multiple Selected")

SELECTEDVALUE('Table'[Region]) = "Multiple Selected"

IF(VALUES('Table'[Region]) = BLANK(), "Multiple Selected")

What happens when you use SELECTEDVALUE without providing an alternative result parameter and the selection context includes multiple values?

The first selected value is displayed.

An error message is displayed in Power BI.

Why might SELECTEDVALUE work correctly in one visual but fail to return the expected result in another visual on the same report page?

Different visual filters alter the selection context.

SELECTEDVALUE only works with tables containing numeric data.

SELECTEDVALUE is incompatible with certain visuals.

It depends on the visual type used (e.g., bar vs. table).

You need to display a default value in your measure if no value is selected in the slicer. How can this be achieved with SELECTEDVALUE?

Provide a second parameter to SELECTEDVALUE as the default value.

Apply the ISBLANK function to handle defaults.

Use a separate CALCULATE statement for the default value.

Use the IFERROR function to set a default value.

In a dynamic report where you need to display either the selected product name or "No Product Selected," what would be the appropriate DAX formula?

SELECTEDVALUE('Products'[ProductName], "No Product Selected")

SWITCH(VALUES('Products'[ProductName]), "No Product Selected")

VALUES('Products'[ProductName], "No Product Selected")

IF(SELECTEDVALUE('Products'[ProductName]) = BLANK(), "No Product Selected")

Fixing SELECTEDVALUE DAX in Power BI: Why Your Measure Returns Blank

Fixing faulty circuits

Fixing Pronoun Shifts

Fixing skilla

Moogle Fixing Coordinates

MOOGLE FIXING TYPES

Moogle Fixing Types project specifications

1. What does the name Mlungisi mean? A. The Helper B. The Fixer C. The Brave One D. The Giver → B 2. What kind of person is Mlungisi? A. Rebellious and lazy B. Always fixing problems and helping others C. A mysterious, quiet boy D. A selfish older cousin → B 3. What does the name Velile mean? A. One Who Builds B. The Beloved One C. He Who Popped Out of Nowhere D. He Who Carries Others → C 4. How does Velile behave according to Trevor? A. He is very responsible and hardworking B. He often vanishes and suddenly reappears C. He is a caring father figure D. He is always around to help the family → B 5. Patricia’s name means: A. She Who Gives Back B. She Who Demands More C. The Fighter D. The Lost One → A 6. What did Patricia do as a child in Soweto? A. She went to school and stayed away from others B. She took care of abandoned children and fed them C. She ran away from home frequently D. She helped her father manage a shop → B 7. Where did Patricia find the money to buy food for the children? A. From her allowance B. From selling her toys C. From collecting bottles from shebeens D. From stealing it → C 8. What is a shebeen in this context? A. A school for orphans B. A place for young kids to play C. An informal bar where men would drink D. A shelter for street children → C 9. How old was Patricia when she started helping other children? A. 4 or 5 B. 6 or 7 C. 10 or 11 D. Teenager → B 10. Why did Trevor’s mother choose the name “Trevor”? A. It was the name of her favorite Bible character B. It was her father’s name C. It had no meaning, and she wanted him to be free D. It was a popular name in her family → C 11. What does it mean that Trevor's name had “no precedent” in South Africa? A. It was illegal to use B. It had no cultural or family history C. It came from ancient African myths D. It was a translation of a Zulu name → B 12. What is the deeper reason behind Patricia giving Trevor a name with no meaning? A. She didn’t like traditional names B. She didn’t know what the name meant C. She wanted him to escape fate and create his own identity D. She thought names were unimportant → C 13. According to Trevor, what kind of effect do traditional Xhosa names usually have? A. They are just for decoration B. They are often meaningless C. They tend to become self-fulfilling D. They reflect colonial history → C 14. What literary device is mainly used in the idea of names becoming destiny? A. Hyperbole B. Irony C. Symbolism D. Pun → C 15. Trevor’s mother wanted him to be: A. Bound to cultural tradition B. Free to be anyone he wanted C. A preacher D. Another fixer like Mlungisi → B ★ True or False Questions (判断题)（共10题） 16. Trevor’s cousin Mlungisi was known for always creating trouble. → False 17. Velile’s name and personality are both connected to sudden appearances and disappearances. → True 18. Patricia started caring for others when she was already an adult. → False 19. Shebeens were places where children gathered to play and eat. → False 20. Patricia used money she earned at a job to feed other children. → False （她用换瓶子的钱） 21. Trevor’s name has no Biblical or cultural background. → True 22. Patricia believed that names could shape a person’s life. → True 23. Trevor’s mother gave him a name with no meaning because she didn’t care about names. → False 24. Xhosa names often carry strong cultural or symbolic meanings. → True 25. Trevor’s mother gave him a name with no meaning so that he could be free from expectations. → True

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