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Editorial Team
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Asked: 2026-06-08T13:52:01+00:00

When new row added in DataGrid wheter empty or wrong data it’s kept added.

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When new row added in DataGrid wheter empty or wrong data it’s kept added.
How can I test if causes exception in order to remove it ?

  • I’m using MVVM and PRISM
  • The DataGrid is bound to an ObservableCollection<Humain>

    EDIT : here are pics
    pic1 : Default empty row is double clicked.
    pic2 : Data insertion is canceled by click anywhere else.

When double click on the empty row to start adding new data
Here when edit is canceled by clicking somewhere else

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1 Answer

  1. Editorial Team

    Well, since you don’t have any code to show us what your Rows look like, or how you are editing them, this general answer is the best I can do:

    • Subscribe to the CollectionChanged event. The new row will be in the args.
    • Check each property for what you consider “emptiness” (assuming you have something other than strings). Return if you find a non-empty property. Otherwise, delete the row.
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