All docs
V20.1
20.2 (EAP/Beta)
20.1
19.2
19.1
The page you are viewing does not exist in version 19.1. This link will take you to the root page.
18.2
The page you are viewing does not exist in version 18.2. This link will take you to the root page.
18.1
The page you are viewing does not exist in version 18.1. This link will take you to the root page.
17.2
The page you are viewing does not exist in version 17.2. This link will take you to the root page.

QueryBuildingExtensions.UnionAll(QueryNode, QueryNode) Method

Combines rows from two or more queries into a single data set. Duplicates rows from different queries when they contain the same data.

Namespace: DevExpress.DataAccess.DataFederation

Assembly: DevExpress.DataAccess.v20.1.dll

Declaration

public static UnionNodeBuilder UnionAll(
    this QueryNode node,
    QueryNode added
)
<ExtensionAttribute>
Public Shared Function UnionAll(
    node As QueryNode,
    added As QueryNode
) As UnionNodeBuilder

Parameters

Name Type Description
node QueryNode

A node in the federated query.

added QueryNode

A node in the federated query.

Returns

Type Description
UnionNodeBuilder

A UnionNodeBuilder object on which a method is being called.

See Also