GroupOperator.Combine(GroupOperatorType, CriteriaOperator, CriteriaOperator) Method

Initializes a new GroupOperator instance that logically combines the specified left and right operands using the passed operator type.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.XamarinForms.Core.dll

Declaration

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

Parameters

Name	Type	Description
opType	GroupOperatorType	The operator type.
left	CriteriaOperator	The left operand to combine.
right	CriteriaOperator	The right operand to combine.

Returns

Type	Description
CriteriaOperator	The new operator that combines the 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