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In this video, Matthew Peterson from Pragmatic Works demonstrates how to effectively use collections in Canvas Power Apps to manage and display data across different screens. Collections are used to temporarily store and manipulate data in an app, and Matthew provides step-by-step guidance on how to use them for scenarios like selecting multiple records and displaying detailed information on another screen.
Collections are used to store and manipulate data temporarily within a Power App. They are particularly useful for gathering data from multiple records, making them available across screens, and allowing users to interact with the data in real time.
In this demonstration, Matthew uses an example where users select multiple records from a gallery and view the selected details on another screen. He explains how collections make it easier to pass this data between screens and ensure users see the correct information based on their selections.
Collect
function.Remove
function.To enhance the user experience, Matthew shows how to clear the collection when users navigate back to the selection screen. This ensures that when users return to the gallery, no checkboxes are selected, preventing confusion.
Matthew also demonstrates how to make checkboxes dynamic by using a formula in the Default
property that checks if a record is in the collection. This ensures the checkbox reflects the state of the collection, showing a check mark only when the record is part of the collection.
Collections provide a powerful way to manage data in Canvas Power Apps, allowing developers to store, manipulate, and display data across multiple screens. Matthew's demonstration offers a practical example of how to implement collections for selecting and viewing multiple records, making this a valuable tool for Power Apps developers.
Don't forget to check out the Pragmatic Works' on-demand learning platform for more insightful content and training sessions on Power Apps and other Microsoft applications. Be sure to subscribe to the Pragmatic Works YouTube channel to stay up-to-date on the latest tips and tricks.
ABOUT THE AUTHOR
Matt Peterson is a Trainer for Pragmatic Works specializing in the Power Platform. He graduated from the University of North Florida in 2006 and comes with 15 years of teaching experience in high school algebra. Matt earned the accomplishment in 2013 of being named the Florida Gifted Teacher of The Year. His primary focus is helping our customers learn the ins and outs of Power Apps and Power BI.
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