CriteriaOperatorCollection Class

Represents a collection of CriteriaOperator objects.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.Data.v19.2.dll

Declaration

C#

public sealed class CriteriaOperatorCollection :
    List<CriteriaOperator>

VB.NET

Public NotInheritable Class CriteriaOperatorCollection
    Inherits List(Of CriteriaOperator)

Related API Members

The following members return CriteriaOperatorCollection objects:

• AggregateOperand.CustomAggregateOperands
• FunctionOperator.Operands
• GroupOperator.Operands
• InOperator.Operands
• JoinOperand.CustomAggregateOperands
• SelectStatement.GroupProperties

Remarks

The methods provided by the CriteriaOperatorCollection class allow you to perform common collection management tasks (adding, removing elements, etc.).

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the CriteriaOperatorCollection class.

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#

XDL_how-to-delete-all-criteria-corresponding-to-a-particular-field-from-criteriaoperator-e3396/CS/PatchCriteriaExample/Filtering/CriteriaPatcherSkipProperties.cs#L59

if(object.ReferenceEquals(theOperator.Operands, result.Operands)) return theOperator;
CriteriaOperatorCollection filteredOperands = RemoveEmptyOperands(result.Operands);
if(filteredOperands.Count == 0) return null;

VB.NET

XDL_how-to-delete-all-criteria-corresponding-to-a-particular-field-from-criteriaoperator-e3396/VB/PatchCriteriaExample/Filtering/CriteriaPatcherSkipProperties.vb#L23

Private Shared Function RemoveEmptyOperands(ByVal source As CriteriaOperatorCollection) As CriteriaOperatorCollection
    Dim result As New CriteriaOperatorCollection()

Inheritance

Object

List<CriteriaOperator>

CriteriaOperatorCollection