itemssource – Tarik Billa

Why are DataContext and ItemsSource not redundant?

September 3, 2023 by Tarik

DataContext is just a handy way to pick up a context for bindings for the cases where an explicit source isn’t specified. It is inherited, which makes it possible to do this: <StackPanel DataContext=”{StaticResource Data}”> <ListBox ItemsSource=”{Binding Customers}”/> <ListBox ItemsSource=”{Binding Orders}”/> </StackPanel> Here, Customers and Orders are collections on the resource called “Data”. In your … Read more

ItemContainerGenerator.ContainerFromItem() returns null?

May 14, 2023 by Tarik

I found something that worked better for my case in this StackOverflow question: Get row in datagrid By putting in UpdateLayout and a ScrollIntoView calls before calling ContainerFromItem or ContainerFromIndex, you cause that part of the DataGrid to be realized which makes it possible for it return a value for ContainerFromItem/ContainerFromIndex: dataGrid.UpdateLayout(); dataGrid.ScrollIntoView(dataGrid.Items[index]); var row … Read more