Question

How do I fire the SelectionChanged event in datagrid when there is only one row.

Example, I have in my view the following:

But once you’ve selected an item I can not re-launch the event because it is selected

Answer 1

in my xaml code i have:

<i:EventTrigger EventName="SelectionChanged">
  <cmd:EventToCommand
     Command="{Binding myCommand, Mode=OneWay}"
     CommandParameter="{Binding SelectedItem, ElementName=datagrid}"/>
</i:EventTrigger>

<i:EventTrigger EventName="PreviewMouseLeftButtonDown">
  <cmd:EventToCommand
     Command="{Binding myCommand, Mode=OneWay}"
     CommandParameter="{Binding SelectedItem, ElementName=datagrid}"/>
</i:EventTrigger>