SelectQuery.SelectExpression(String, AggregationType, String) Method

Returns a column with a specified alias that includes rows selected based on a required expression and aggregate function.

Namespace: DevExpress.DataAccess.Sql

Assembly: DevExpress.DataAccess.v18.2.dll

Declaration

C#

public Column SelectExpression(
    string expression,
    AggregationType aggregationType,
    string alias
)

VB.NET

Public Function SelectExpression(
    expression As String,
    aggregationType As AggregationType,
    alias As String
) As Column

Parameters

Name	Type	Description
expression	String	A String value, specifying the query expression.
aggregationType	AggregationType	An AggregationType enumeration value.
alias	String	A String value, specifying the column alias.

Returns

Type	Description
Column	A Column object.