The constraint value can only be obtained if it was set with one of the SetLowerConstraint methods or a formula was set with one of the SetLowerConstraintFormula methods and the formula equals a constant value, such as =5.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
TwoConstraintDataValidationRule Class
TwoConstraintDataValidationRule Members
Overload List
SetLowerConstraint(Double) Method
SetLowerConstraint(DateTime) Method
SetLowerConstraint(TimeSpan) Method
SetLowerConstraintFormula(String,String) Method
SetLowerConstraintFormula(String,String,WorkbookFormat,CellReferenceMode,CultureInfo) Method