JJ_11052016

app/DD-Record-Organiser/ClassControlValueCache.vb

@@ -33,6 +33,10 @@
     Private Shared Property HintCache As New Dictionary(Of Integer, String)
     Public Shared Function LoadHint(controlId As Integer) As String
         If HintCache.ContainsKey(controlId) Then
+            Dim hint As String = HintCache.Item(controlId)
+            If hint.Length = 0 Then
+                Return Nothing
+            End If
             Return HintCache.Item(controlId)
         Else
             Return Nothing