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When you connect to a comma separated value (.csv) file on OneDrive or SharePoint, a semantic model is created in Power BI. Data from the .csv file is imported into the semantic model in Power BI. Power BI then automatically connects to the file and refreshes any changes with the semantic model in Power BI. If you edit the .csv file in OneDrive, or SharePoint, after you save, those changes will appear in Power BI, usually within about an hour. Any visualizations in Power BI based on the semantic model are automatically updated.
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By default, using the Get Data experience for specific file type connectors in Power BI Desktop uses a local reference to the file stored on OneDrive, which won't automatically update unless you have a gateway configured. To have your CSV automatically update without having to configure a gateway, rather than using the Text/CSV connector, use the Web connector and reference the online version of your CSV.
If your files are in a shared folder on OneDrive for work or school, or SharePoint, other users can work on the same file. After they save the file, changes are automatically updated in Power BI, usually within an hour.
Many organizations run processes that automatically query databases for data that's saved to a .csv file each day. If the file is stored on OneDrive, or SharePoint, and the same file is overwritten each day, as opposed to a new file with a different name being created each day, you can connect to that file in Power BI. Your semantic model that connects to the file will be synchronized soon after the file on OneDrive, or SharePoint, is updated. Any visualizations based on the semantic model are automatically updated.
Comma separated value files are simple text files, connections to external data sources and reports aren't supported. You can't schedule a refresh on a semantic model created from a .csv file. However, when the file is on OneDrive, or SharePoint, Power BI will automatically synchronize any changes to the file with the semantic model about every hour.
If you have both a personal OneDrive and OneDrive for work or school, we recommended you keep any files you want to connect to Power BI on OneDrive for work or school. Why? Because you likely use two different accounts to sign into them.
Connecting to OneDrive for work or school and Power BI is typically seamless because the same account you use to sign into Power BI is often the same account used to sign into OneDrive for work or school. But, with personal OneDrive, you're likely to use a different Microsoft account.
When you sign into your Microsoft account, be sure to select Keep me signed in. Power BI can then synchronize any updates with semantic models in Power BI.
When you make changes to your .csv file on OneDrive, and they don't synchronize with the semantic model in Power BI. It might be because your Microsoft account credentials changed, you need to connect to the file and import it again from your personal OneDrive.
If data in the .csv file on OneDrive changes, and the changes aren’t reflected in Power BI, it’s most likely because Power BI can't connect to OneDrive. Try connecting to the file and importing it again. If you’re prompted to sign in, make sure you select Keep me signed in.
More questions? Ask the Power BI Community
Įvykiai
Power BI DataViz Pasaulio čempionatas
02-14 16 - 03-31 16
Su 4 galimybes įvesti, galite laimėti konferencijos paketą ir padaryti jį LIVE Grand Finale Las Vegase
Sužinokite daugiauMokymas
Modulis
Manage semantic models in Power BI - Training
With Microsoft Power BI, you can use a single semantic model to build many reports. Reduce your administrative overhead even more with scheduled semantic model refreshes and resolving connectivity errors.
Sertifikatas
Microsoft Certified: Power BI Data Analyst Associate - Certifications
Demonstrate methods and best practices that align with business and technical requirements for modeling, visualizing, and analyzing data with Microsoft Power BI.