XPObjectSpace.Evaluate(Type, CriteriaOperator, CriteriaOperator) Method

Evaluates the specified criteria for business objects of the given type.

Namespace: DevExpress.ExpressApp.Xpo

Assembly: DevExpress.ExpressApp.Xpo.v23.2.dll

NuGet Package: DevExpress.ExpressApp.Xpo

Declaration

C#

public override object Evaluate(
    Type objectType,
    CriteriaOperator expression,
    CriteriaOperator criteria
)

VB.NET

Public Overrides Function Evaluate(
    objectType As Type,
    expression As CriteriaOperator,
    criteria As CriteriaOperator
) As Object

Parameters

Name	Type	Description
objectType	Type	A Type object that identifies the type of objects against which the expression will be evaluated.
expression	CriteriaOperator	A CriteriaOperator object that specifies the expression to evaluate.
criteria	CriteriaOperator	A CriteriaOperator object that specifies the filter criteria. The objects that match this criteria will be used to evaluate the expression.

Returns

Type	Description
Object	The value evaluated.

Remarks

To construct expression and criteria, the static CriteriaOperator.Parse method can be used. It takes a string representation of the required expression and retrieves the CriteriaOperator object that corresponds to this expression.