Input string was not in a correct format. (System.FormatException)
at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)
at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info)
at Sledge.Editor.UI.EntityEditor.SmartEditChoices.b__af(Option x)
at System.Linq.EnumerableSorter`2.ComputeKeys(TElement[] elements, Int32 count)
at System.Linq.EnumerableSorter`1.Sort(TElement[] elements, Int32 count)
at System.Linq.OrderedEnumerable`1.d__0.MoveNext()
at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
at Sledge.Editor.UI.EntityEditor.SmartEditChoices.OnSetProperty()
at Sledge.Editor.UI.EntityEditor.SmartEditControl.SetProperty(String propertyName, String currentValue, Property property)
at Sledge.Editor.UI.EntityEditor.AddSmartEditControl(Property property, String propertyName, String value)
at Sledge.Editor.UI.EntityEditor.KeyValuesListSelectedIndexChanged(Object sender, EventArgs e)
at System.Windows.Forms.ListView.OnSelectedIndexChanged(EventArgs e)