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org.apache.tapestry5.corelib.data
public enum class: BlankOption [javadoc | source]

java.lang.Enum
   org.apache.tapestry5.corelib.data.BlankOption

Used with the org.apache.tapestry5.corelib.components.Select component to control whether an initial blank option is supplied. Determines the optionality of the undelrying property from the Select's {@linkplain org.apache.tapestry5.FieldValidator#isRequired() validate parameter}

Field Summary
public  BlankOption	ALWAYS	Always include the blank option, even if the underlying property is required.
public  BlankOption	NEVER	Never include the blank option, even if the underlying property is optional.
public  BlankOption	AUTO	The default: include the blank option if the underlying property is optional.