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CalculatedField Class

A calculated field that allows you to apply complex expressions to data fields obtained from the data source.

#Declaration

TypeScript
export class CalculatedField extends SerializableModel

#Remarks

The DevExpress Dashboard allows you to create calculated fields for the following data source types:

Use the DataSource.calculatedFields property to manage the specified data source’s calculated fields.

#Inherited Members

#Inheritance

SerializableModel
CalculatedField
See Also

#constructor

Initializes a new instance of the CalculatedField class.

#Declaration

TypeScript
constructor(
    modelJson?: any,
    serializer?: DevExpress.Analytics.Utils.ModelSerializer
)

#Parameters

Name Type Description
modelJson any

A JSON object used for dashboard deserialization. Do not pass this parameter directly.

serializer ModelSerializer

An object used for dashboard deserialization. Do not pass this parameter directly.

#Properties

#dataMember Property

#Declaration

TypeScript
dataMember: ko.Observable<string>

#Property Value

Type
Observable<string>

#expression Property

#Declaration

TypeScript
expression: ko.Observable<string>

#Property Value

Type
Observable<string>

#fieldType Property

#Declaration

TypeScript
fieldType: ko.Observable<string>

#Property Value

Type
Observable<string>

#name Property

#Declaration

TypeScript
name: ko.Observable<string>

#Property Value

Type
Observable<string>

#Methods

#getInfo Method

For internal use.

#Declaration

TypeScript
getInfo(): DevExpress.Analytics.Utils.ISerializationInfoArray

#Returns

Type Description
ISerializationInfoArray

An array of objects that provide serialization info.