UnionNodeBuilder.Build(String) Method

Finalizes the chain of methods specified to build a UnionNode.

Namespace: DevExpress.DataAccess.DataFederation

Assembly: DevExpress.DataAccess.v25.1.dll

NuGet Package: DevExpress.DataAccess

Declaration

C#

public UnionNode Build(
    string alias
)

VB.NET

Public Function Build(
    alias As String
) As UnionNode

Parameters

Name	Type	Description
alias	String	A String that is the query node’s alias.

Returns

Type	Description
UnionNode	A DevExpress.DataAccess.DataFederation.UnionNode object.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the Build(String) method.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

winforms-dashboard-data-federation/CS/DataFederationExample/Form1.cs#L112

UnionNode queryUnionAll = sqlSource.From().Select("OrderID", "OrderDate").Build("OrdersSqlite")
    .UnionAll(excelSource.From().Select("OrderID", "OrderDate").Build("OrdersExcel"))

reporting-winforms-bind-union-federated-data-source/CS/Reporting-Bind-Report-to-Union-Based-Federated-Data-Source/Form1.cs#L38

// Create a federated Union query.
var contactsNode = sqlSource.From()
    // Select the "ContactName", "City" and "Phone" columns from the SQL source.

VB.NET

winforms-dashboard-data-federation/VB/DataFederationExample/Form1.vb#L108

Dim queryUnionAll As UnionNode = sqlSource.From().Select("OrderID", "OrderDate").Build("OrdersSqlite").UnionAll(excelSource.From().Select("OrderID", "OrderDate").Build("OrdersExcel")).Build("OrdersUnionAll")

aspnet-web-forms-dashboard-data-federation/VB/AspNetWebFormsDataFederation/Default.aspx.vb#L67

' Union and UnionAll
Dim queryUnionAll As UnionNode = sqlSource.From().Select("OrderID", "OrderDate").Build("OrdersSqlite").UnionAll(excelSource.From().Select("OrderID", "OrderDate").Build("OrdersExcel")).Build("OrdersUnionAll")
queryUnionAll.Alias = "Union query"

reporting-winforms-bind-union-federated-data-source/VB/Reporting-Bind-Report-to-Union-Based-Federated-Data-Source/Form1.vb#L40

' Create a federated Union query.
Dim contactsNode = sqlSource.From().Select("ContactName", "City", "Phone").Build().Union(excelSource.From().Select("ContactName", "City", "Phone").Build(), UnionType.Union).Build("Contacts")
    ' Select the "ContactName", "City" and "Phone" columns from the SQL source.