GroupOperator.Combine(GroupOperatorType, CriteriaOperator, CriteriaOperator) Method

Returns the expression which groups two operands with logical AND or OR.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.Data.v23.1.dll

NuGet Package: DevExpress.Data

Declaration

C#

public static CriteriaOperator Combine(
    GroupOperatorType opType,
    CriteriaOperator left,
    CriteriaOperator right
)

VB.NET

Public Shared Function Combine(
    opType As GroupOperatorType,
    left As CriteriaOperator,
    right As CriteriaOperator
) As CriteriaOperator

Parameters

Name	Type	Description
opType	GroupOperatorType	A GroupOperatorType enumeration value that specifies the type of the group operator.
left	CriteriaOperator	A CriteriaOperator object which represents the first operand.
right	CriteriaOperator	A CriteriaOperator object which represents the second operand.

Returns

Type	Description
CriteriaOperator	A CriteriaOperator object representing the expression which groups two operands.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the Combine(GroupOperatorType, CriteriaOperator, CriteriaOperator) method.

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#

XAF_how-to-show-an-xtrareport-created-at-design-time-without-the-use-of-xaf-reports-module-e4752/CS/NativeXtraReportExample.Module.Win/Controllers/ShowXtraReportController.cs#L43

if (!string.IsNullOrEmpty(parameters.SubjectContains)) {
    criteria = GroupOperator.Combine(GroupOperatorType.And, criteria,
        CriteriaOperator.Parse("Contains([Subject], ?)", parameters.SubjectContains));

VB.NET

XAF_how-to-show-an-xtrareport-created-at-design-time-without-the-use-of-xaf-reports-module-e4752/VB/NativeXtraReportExample.Module.Win/Controllers/ShowXtraReportController.vb#L45

If Not String.IsNullOrEmpty(parameters.SubjectContains) Then
    criteria = GroupOperator.Combine(GroupOperatorType.And, criteria, CriteriaOperator.Parse("Contains([Subject], ?)", parameters.SubjectContains))
End If