DETAILROWS
A
C
- CALCULATE
- CALCULATETABLE
- CALENDAR
- CALENDARAUTO
- CEILING
- CHISQ.DIST
- CHISQ.DIST.RT
- CHISQ.INV
- CHISQ.INV.RT
- CLOSINGBALANCEMONTH
- CLOSINGBALANCEQUARTER
- CLOSINGBALANCEYEAR
- COALESCE
- COLUMNSTATISTICS
- COMBIN
- COMBINA
- COMBINEVALUES
- CONCATENATE
- CONCATENATEX
- CONFIDENCE.NORM
- CONFIDENCE.T
- CONTAINS
- CONTAINSROW
- CONTAINSSTRING
- CONTAINSSTRINGEXACT
- CONVERT
- COS
- COSH
- COT
- COTH
- COUNT
- COUNTA
- COUNTAX
- COUNTBLANK
- COUNTROWS
- COUNTX
- COUPDAYBS
- COUPDAYS
- COUPDAYSNC
- COUPNCD
- COUPNUM
- COUPPCD
- CROSSFILTER
- CROSSJOIN
- CUMIPMT
- CUMPRINC
- CURRENCY
- CURRENTGROUP
- CUSTOMDATA
D
E
I
N
O
P
R
S
- SAMEPERIODLASTYEAR
- SAMPLE
- SEARCH
- SECOND
- SELECTCOLUMNS
- SELECTEDMEASURE
- SELECTEDMEASUREFORMATSTRING
- SELECTEDMEASURENAME
- SELECTEDVALUE
- SIGN
- SIN
- SINH
- SLN
- SQRT
- SQRTPI
- STARTOFMONTH
- STARTOFQUARTER
- STARTOFYEAR
- STDEVX.P
- STDEVX.S
- STDEV.P
- STDEV.S
- SUBSTITUTE
- SUBSTITUTEWITHINDEX
- SUM
- SUMMARIZE
- SUMMARIZECOLUMNS
- SUMX
- SWITCH
- SYD
T
U
What is DETAILROWS?
The DETAILROWS function in Power BI is used to return a table that contains detailed information about the rows that contribute to a specific calculation. It is a table function that takes a table as an argument and returns a table that contains all the rows from the original table where the calculation is valid. DETAILROWS is often used in conjunction with other DAX functions such as CALCULATE and FILTER.
How to Use DETAILROWS in Power BI
To use the DETAILROWS function in Power BI, follow these steps:
1. Open Power BI Desktop and create a new report.
2. Import your data into Power BI. You can do this by clicking on the “Get Data” button on the Home tab and selecting the data source you want to use.
3. Once your data is imported, create a new measure by clicking on the “New Measure” button on the Home tab. Enter a name for your measure and then enter the DAX formula that you want to use.
4. Use the DETAILROWS function in your DAX formula. For example, if you want to calculate the total sales for each product category, you can use the following formula:
Total Sales = SUM(Sales[SalesAmount]) * COUNTROWS(DETAILROWS(Product))
In this formula, we are using the SUM function to calculate the total sales amount and the COUNTROWS function to count the number of rows in the detailed table. The DETAILROWS function is used to return the detailed table that contains all the rows for each product category.
5. Once you have created your measure, you can use it in a visual or table in your report.
Using DETAILROWS with Other DAX Functions
DETAILROWS is often used in conjunction with other DAX functions such as CALCULATE and FILTER to create more complex calculations. For example, if you want to calculate the total sales for each product category, but only for a specific region, you can use the following formula:
Total Sales by Region = CALCULATE(
SUM(Sales[SalesAmount]) * COUNTROWS(DETAILROWS(Product)),
FILTER(Sales, Sales[Region] = “West”)
)
In this formula, we are using the CALCULATE function to apply a filter to the Sales table. The FILTER function is used to filter the sales data only for the "West" region. The DETAILROWS function is used to return the detailed table for each product category in the filtered data.
In conclusion, the DETAILROWS function in Power BI is a powerful tool that can be used to create complex calculations and queries. It allows users to retrieve detailed information about the rows that contribute to a specific calculation. DETAILROWS is often used in conjunction with other DAX functions such as CALCULATE and FILTER to create more complex calculations. By mastering the DETAILROWS function, users can gain a deeper understanding of their data and make more informed business decisions.
