CriteriaOperator.And(CriteriaOperator, CriteriaOperator) Method

Returns the expression which groups two operands with logical AND.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.Data.v24.2.dll

Declaration

C#

public static CriteriaOperator And(
    CriteriaOperator left,
    CriteriaOperator right
)

VB.NET

Public Shared Function And(
    left As CriteriaOperator,
    right As CriteriaOperator
) As CriteriaOperator

Parameters

Name	Type	Description
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 with logical AND.

Remarks

If one of the specified operands is null (Nothing in Visual Basic), the And method returns another operand. For example, if the first operand is null (Nothing in Visual Basic), the And method returns the second operand.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the And(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#

wpf-data-grid-use-skip-tokens-to-optimize-paging-EF/CS/MainWindow.xaml.cs#L29

static FetchRowsResult FetchRows(FetchRowsAsyncEventArgs e) {
    var filterWithSkipToken = CriteriaOperator.And(e.Filter, (CriteriaOperator)e.SkipToken);

winforms-dashboard-filtering-in-olap-mode/CS/Dashboard_OlapFiltering/Form1.cs#L29

CriteriaOperator filterCriteria = GroupOperator.And(
    new BinaryOperator(new OperandProperty(fieldCountryName),

VB.NET

wpf-data-grid-use-skip-tokens-to-optimize-paging-EF/VB/MainWindow.xaml.vb#L24

Private Shared Function FetchRows(ByVal e As FetchRowsAsyncEventArgs) As FetchRowsResult
    Dim filterWithSkipToken = CriteriaOperator.And(e.Filter, CType(e.SkipToken, CriteriaOperator))
    Dim converter = New GridFilterCriteriaToExpressionConverter(Of IssueData)()

winforms-dashboard-filtering-in-olap-mode/VB/Dashboard_OlapFiltering/Form1.vb#L30

Dim filterCriteria As CriteriaOperator = GroupOperator.And(New BinaryOperator(New OperandProperty(fieldCountryName), New OperandParameter(parameter1.Name), BinaryOperatorType.Equal), New NotOperator(New InOperator(New OperandProperty(fieldYearName), New ConstantValue() {
    New ConstantValue(year2001),