NotOperator Class

Represents a logical NOT operation which is performed on the operand.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.Data.v24.2.dll

Declaration

C#

public sealed class NotOperator :
    UnaryOperator

VB.NET

Public NotInheritable Class NotOperator
    Inherits UnaryOperator

Example

This sample code selects customers who are younger than 20 years old, and older than 25.

The image below shows the result:

C#

using DevExpress.Xpo;
using DevExpress.Data.Filtering;

// ...

CriteriaOperator filter = new NotOperator(new BetweenOperator("Age", 20, 25));
xpCustomers.Filter = filter;

VB.NET

Imports DevExpress.Xpo
Imports DevExpress.Data.Filtering

' ...

Dim filter As CriteriaOperator = New NotOperator(New BetweenOperator("Age", 20, 25))
xpCustomers.Filter = filter

Inheritance

Object

CriteriaOperator

UnaryOperator

NotOperator