MVVM-Light, firing events from a button inside a data grid column template

Question

MVVM light has been a pleasure to learn, but here I am stuck. The problem is event firing.

In the code below, one button the works and fires events. The other button doe

Answer 1

Your data context is lost in the DataGrid DataGridTemplateColumn since the DataGrid.Columns isn't a dependency property. Because of this, you can't use element-to-element data binding from within your DataGridTemplateColumn.

However, this is easily fixed thanks to MVVM Light Toolkit's ViewModelLocator.

I don't know what your ViewModel is called, but assuming it is MainViewModel you can change your button binding to this: