.NET (Core and Framework)

Ian Shlasko wrote:

Any reason why you're using data binding to bind your control to the data model, but then dropping back to WinForms-style event handling to link the combo box to the containing control?

Ed Hill _5_ wrote:

In answer to your above question, this is my first project that i have used both entity framework and WPF so i am learning as i go, and unfortunatly when i'm not sure how to do things i fall back on the old win forms way of working. I'll get there in the end its just a but of a learning process for me.

public partial class Charge
    {
        public Charge()
        {
            this.ActivityReference.AssociationChanged += new System.ComponentModel.CollectionChangeEventHandler(ActivityReference_AssociationChanged);
        }

        void ActivityReference_AssociationChanged(object sender, System.ComponentModel.CollectionChangeEventArgs e)
        {
            if ((e.Action == System.ComponentModel.CollectionChangeAction.Remove))
                OnPropertyChanging("Activity");
            else
                OnPropertyChanged("Activity");
        }
    }

Public Function NumberOfLetters(s as String) as Integer
  For idx As Integer = 0 To s.Length - 1
	If Not Char.IsLetter(s(idx)) Then Return idx - 1
  Next
  Return s.Length
End Function

.OrderBy(Function(key) key == "ORD" ? 1000 : int.Parse(key.SubString(3))