WPF: Binding Visibility by string contents

Question

Ok, so here is my XAML:

If InstanceName is null or an

Answer 1

By putting an extra property in your viewmodel that you can bind the Visibility attribute to:

public class ViewModel
{
   public string InstanceName {...}
   public Visibility InstanceVisibility 
   { 
      get 
      {
           return String.IsNullOrEmpty(InstanceName) ? Visibility.Collapsed : Visibility.Visible;
      }
}