BetweenOperator.TestExpression Property

Gets or sets the test expression.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.Data.v18.2.dll

Declaration

C#

public CriteriaOperator TestExpression { get; set; }

VB.NET

Public Property TestExpression As CriteriaOperator

Property Value

Type	Description
CriteriaOperator	A CriteriaOperator descendant which represents the test expression.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the TestExpression property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

how-to-make-the-auto-filter-rows-filter-accent-insensitive-e5021/CS/DxSample/Filtering/ClientCriteriaVisitorBase.cs#L92

CriteriaOperator endExpression = this.AcceptOperator(theOperator.EndExpression);
CriteriaOperator testExpression = this.AcceptOperator(theOperator.TestExpression);
if (object.ReferenceEquals(theOperator.BeginExpression, beginExpression) &&

XDL_how-to-delete-all-criteria-corresponding-to-a-particular-field-from-criteriaoperator-e3396/CS/PatchCriteriaExample/Filtering/CriteriaPatcherSkipProperties.cs#L37

if(IsNull(theOperator.BeginExpression) || IsNull(theOperator.EndExpression)
    || IsNull(theOperator.TestExpression))
    return null;

VB.NET

how-to-make-the-auto-filter-rows-filter-accent-insensitive-e5021/VB/DxSample/Filtering/ClientCriteriaVisitorBase.vb#L101

Dim endExpression As CriteriaOperator = Me.AcceptOperator(theOperator.EndExpression)
Dim testExpression As CriteriaOperator = Me.AcceptOperator(theOperator.TestExpression)
If Object.ReferenceEquals(theOperator.BeginExpression, beginExpression) AndAlso Object.ReferenceEquals(theOperator.EndExpression, endExpression) AndAlso Object.ReferenceEquals(theOperator.TestExpression, testExpression) Then

XDL_how-to-delete-all-criteria-corresponding-to-a-particular-field-from-criteriaoperator-e3396/VB/PatchCriteriaExample/Filtering/CriteriaPatcherSkipProperties.vb#L53

theOperator = CType(MyBase.Visit(theOperator), BetweenOperator)
If IsNothing(theOperator.BeginExpression) OrElse IsNothing(theOperator.EndExpression) OrElse IsNothing(theOperator.TestExpression) Then
    Return Nothing