Oops, I spoke too soon. While the error can be cleared, the result of stripping the parentheses is that the SearchTextBox no longer works and remains disabled even after specifying a field list. :(  Any tips, much appreciated.  Update. Found some discussion here - seems to be a VS2012/Blend issue in interpreting paths with ...

In microsoft ListBox exits. Where DataTemplateSelector in you ListBox for WPF? And how to set individual heigh for Item in ItemSource? When you change the height of one item, changing the height of all.

Hi everybody, I'm using an Ultimate ListBox Control for WPF.. But the search textbox in the top toolpanel is disabled.. i can't write anything inside..  I set ToolPanelVisibility to '' True'', still doesn't work.   P.S : my listbox contains data. it's not empty    Please help ! 

Hi Richard, The behavior you have experienced with the SyncDataSourceProvider is expected.  Even though we are thinking about changing it in order to minimize the number of queries on the data source, it may query more than a single page.  I cannot give you a precise date, but we are planning to solve this issue on a short to mid term ...