App.AddFieldFromExpressionAsync Method (String, String, String)

App AddFieldFromExpressionAsync Method (String, String, String)

Qlik Sense .NET SDK - API Reference

Adds a field on the fly.

The field is added in the database model but the change is not persistent. If the app is closed, the field added on the fly does no longer exist.

Namespace: Qlik.Engine
Assembly: Qlik.Engine (in Qlik.Engine.dll) Version: 1.0.1.0 (1.0.1.0)

Syntax

public Task<bool> AddFieldFromExpressionAsync(
	string name,
	string expr,
	string userHandle = null
)

public Task<bool> AddFieldFromExpressionAsync(
	string name,
	string expr,
	string userHandle = null
)

Public Function AddFieldFromExpressionAsync ( 
	name As String,
	expr As String,
	Optional userHandle As String = Nothing
) As Task(Of Boolean)

Public Function AddFieldFromExpressionAsync ( 
	name As String,
	expr As String,
	Optional userHandle As String = Nothing
) As Task(Of Boolean)

expr: Type: System String
Expression value. It is not possible to use all aggregation functions. For example, you cannot add a field on the fly with an expression that uses the Sum or Count aggregation functions.

Type: