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By default the blank option label contains no text. This property allows a specific text to be provided to display in the initial blank option. If the initial 'blank' option is submitted with the alternate text the value will be sent to the program as a blank value.
Both of the 'blank option' and 'blank option label' properties can only be used with a Database-Driven selectionBoth 'blank option' and 'blank option label' . These properties may also be assigned to a bound field. (Rich UI only).
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