How to add items to ListView with .NET C#

Question

I want to add items to a ListView with .NET 7 + C#. Is there a way to do this programmatically with C#? The reason is the app will receive data from a server and I want to add parts of the data to the listview.

I have read this https://learn.microsoft.com/en-us/dotnet/maui/user-interface/controls/listview?view=net-maui-7.0 but there is no information on how to do this with C# completely, neither is there anything I can find on Google (except by installing packages, which I want to avoid). Maybe I am misunderstanding something.

I would appreciate an example.

Please tag the full platform details! - From the link it looks as if you are using App UI (.NET MAUI) ListView- This seems to be fully data bound and you would have to add the new items to the underlying datasource. — TaW
– TaW, Commented Nov 14, 2022 at 21:08
-Tags edited. -Yes, I tried with ListView.Items.Add() but then this error shows up: "CS1061 'ListView' does not contain a definition for 'Items' and no accessible extension method 'Items' accepting a first argument of type 'ListView' could be found (are you missing a using directive or an assembly reference?)". -And I am using App UI (.NET MAUI) ListView. — cycle1
– cycle1, Commented Nov 14, 2022 at 21:13

Jason · Accepted Answer · 2022-11-14 21:26:15Z

3

the ListView gets its data from its ItemsSource, which is an IEnumerable. To add data dynamically, just Add elements to the data source

ObservableCollection<string> myData = new ObservableCollection<string>();

MyListView.ItemsSource = myData;

...

myData.Add("new item");

answered Nov 14, 2022 at 21:26

Jason

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