description:
  value list don't display in import values dialog when parameter data type is date

test build:
birt2.6.0 v20100520-1551

step to reproduce:

1. add a sample datasource and a data set with table "orders". 
2. new a parameter, data type select "date",display type select "list box",click "import values"


expect result:
in import values dialog, value list don't display 

actual result:
in import values dialog, value list can display
the value list should display.
update description
expect result:
in import values dialog, value list can display

actual result:
in import values dialog, value list don't display


this error occurs when local locale is chinese.
fixed.
verified in daily build v20100524-1222