FunctionOperator.OperatorType Field

Represents the function type.

The operands are specified by the FunctionOperator.Operands property and these can be initialized in the constructor. Each operand represents an instance of the CriteriaOperator class descendant, the number of operands depends on the function type.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.Data.v23.2.dll

NuGet Package: DevExpress.Data

Declaration

C#

public FunctionOperatorType OperatorType

VB.NET

Public OperatorType As FunctionOperatorType

Field Value

Type
FunctionOperatorType

Related GitHub Examples

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

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#

winforms-grid-make-auto-filter-row-insensitive-to-accents/CS/DxSample/Filtering/GridFilterSubstitutor.cs#L16

public override CriteriaOperator Visit(FunctionOperator theOperator) {
    if (theOperator.OperatorType == FunctionOperatorType.StartsWith ||
        theOperator.OperatorType == FunctionOperatorType.EndsWith ||

winforms-grid-customize-expression-editor/CS/WindowsFormsApplication1/Form1.cs#L103

public override void Visit(FunctionOperator theOperator) {
    if (theOperator.OperatorType == FunctionOperatorType.Now) {
        this.errors.Add(new CriteriaValidatorError("Invalid function: now()"));

VB.NET

winforms-grid-make-auto-filter-row-insensitive-to-accents/VB/DxSample/Filtering/GridFilterSubstitutor.vb#L18

Public Overrides Function Visit(ByVal theOperator As FunctionOperator) As CriteriaOperator
    If theOperator.OperatorType = FunctionOperatorType.StartsWith OrElse theOperator.OperatorType = FunctionOperatorType.EndsWith OrElse theOperator.OperatorType = FunctionOperatorType.Contains Then Return New FunctionOperator(theOperator.OperatorType, WrapIntoCustomFunction(theOperator.Operands(0)), WrapIntoCustomFunction(theOperator.Operands(1)))
    Return MyBase.Visit(theOperator)

winforms-grid-customize-expression-editor/VB/WindowsFormsApplication1/Form1.vb#L111

Public Overrides Sub Visit(ByVal theOperator As FunctionOperator)
    If theOperator.OperatorType = FunctionOperatorType.Now Then
        Me.errors.Add(New CriteriaValidatorError("Invalid function: now()"))