/// <summary>
/// Detach the view
/// </summary>
public void Detach()
{
Ledger.Detach();
Row.Detach();
Column.Detach();
Expression.Detach();
Value.Detach();
Pivot.Detach();
Time.Detach();
leftbutton.Clicked -= OnChangePivot;
rightbutton.Clicked -= OnChangePivot;
}