Min-Val With this property it is possible to set the minimum allowed value. All days below this value will not be enabled. Example - Define a date-entry control with a minimum value screen section. ... 03 screen-1-de-1 Date-Entry line 21.2 column 49.5 size 14.5 cells lines 3.1 cells id 17 century-date max-val "20150515" min-val "20140515" value-format davf-yyyymmdd.