Syntax

expression.Add(Type, AlertStyle, Operator, Formula1, Formula2)

expression A variable that represents a Validation object.

Parameters

Name Required/Optional Data Type Description
Type Required XlDVType The validation type.
AlertStyle Optional Variant The validation alert style. Can be one of the following constants: xlValidAlertInformation, xlValidAlertStop, or xlValidAlertWarning.
Operator Optional Variant The data validation operator. Can be one of the following constants: xlBetween, xlEqual, xlGreater, xlGreaterEqual, xlLess, xlLessEqual, xlNotBetween, or xlNotEqual.
Formula1 Optional Variant The first part of the data validation equation.
Formula2 Optional Variant The second part of the data validation when Operator is xlBetween or xlNotBetween (otherwise, this argument is ignored).

Remarks

The Add method requires different arguments, depending on the validation type, as shown in the following table.

Validation type Arguments
xlValidateCustom Formula1 is required, Formula2 is ignored. Formula1 must contain an expression that evaluates to True when data entry is valid and False when data entry is invalid.
xlInputOnly AlertStyle, Formula1, or Formula2 are used.
xlValidateList Formula1 is required, Formula2 is ignored. Formula1 must contain either a comma-delimited list of values or a worksheet reference to this list.
xlValidateWholeNumber, xlValidateDate, xlValidateDecimal, xlValidateTextLength, or xlValidateTime One of either Formula1 or Formula2 must be specified, or both may be specified.

Example

This example adds data validation to cell E5.

Visual Basic for Applications 
With Range("e5").Validation .Add Type:=xlValidateWholeNumber, _ AlertStyle:= xlValidAlertStop, _ Operator:=xlBetween, Formula1:="5", Formula2:="10" .InputTitle = "Integers" .ErrorTitle = "Integers" .InputMessage = "Enter an integer from five to ten" .ErrorMessage = "You must enter a number from five to ten" End With

See also: