issue with last refresh date time in power bi
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issue with last refresh date/time in power bi
when working with power bi, one common requirement is to display the last refresh date and time of your reports or dashboards. this is useful for users to know how current the data is. however, there can be issues related to the display and functionality of the last refresh date/time. below, we will cover these issues and provide a solution with code examples.
common issues
1. **static vs. dynamic values**: if you simply add a date/time field from your dataset, it might not reflect the actual last refresh time but rather a timestamp from your data.
2. **timezone confusion**: sometimes, the timestamp may be in utc, leading to confusion about the actual local time when users view the report.
3. **data refresh settings**: if your dataset is not set to refresh correctly, the last refresh time may not update as expected.
4. **performance**: depending on how you implement the refresh date logic, it may adversely affect report performance.
solution: displaying last refresh date/time
to correctly display the last refresh date and time, you can use a measure in power bi. this measure will retrieve the last refresh time of the dataset.
step-by-step tutorial
1. **open power bi desktop**: start by launching power bi desktop and loading your dataset.
2. **create a new measure**: you need to create a new measure that will capture the last refresh time.
in the "modeling" tab, click on "new measure" and enter the following dax expression:
in this measure:
`now()` retrieves the current date and time.
`format()` is used to format the date and time string in a readable way.
3. **display the measure in a card visual**:
go to the "visualizations" pane.
drag a card visual onto your report canvas.
in the fields pane, drag your newly created measure (`last refresh time`) into the values section of the card visual.
4. **adjust timezone (if necessary)**: if you need to adjust the time to matc ...
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