corelibraries-devexpress-dot-dataaccess-dot-sql-dot-selectqueryfluentbuilder-dot-build-x28-system-dot-string-x29.md
Ends the chain of methods specified for a SelectQueryFluentBuilder.
Namespace : DevExpress.DataAccess.Sql
Assembly : DevExpress.DataAccess.v25.2.dll
NuGet Package : DevExpress.DataAccess
public SelectQuery Build(
string queryName
)
Public Function Build(
queryName As String
) As SelectQuery
| Name | Type | Description |
|---|---|---|
| queryName | String |
A String value, specifying the query name.
|
| Type | Description |
|---|---|
| SelectQuery |
A SelectQuery object.
|
The chain of SelectQueryFluentBuilder methods must end with calling the Build method accepting the query name as a parameter.
In the following example, a query selects and orders records from a single data table.
using DevExpress.DataAccess.ConnectionParameters;
using DevExpress.DataAccess.Sql;
// ...
private SqlDataSource BindToData() {
// Create a data source with the required connection parameters.
Access97ConnectionParameters connectionParameters =
new Access97ConnectionParameters("../../Data/nwind.mdb", "", "");
SqlDataSource ds = new SqlDataSource(connectionParameters);
// Return a list of categories sorted by the number of products in each category.
// The chain ends with calling the Build method accepting the query name as a parameter.
SelectQuery query = SelectQueryFluentBuilder
.AddTable("Products")
.SelectColumn("CategoryID")
.GroupBy("CategoryID")
.SortBy("ProductID", AggregationType.Count, System.ComponentModel.ListSortDirection.Descending)
.Filter("[CategoryID] != 8")
.Build("MyQuery");
// Add the query to the collection and return the data source.
ds.Queries.Add(query);
return ds;
}
Imports DevExpress.DataAccess.ConnectionParameters
Imports DevExpress.DataAccess.Sql
' ...
Private Function BindToData() As SqlDataSource
' Create a data source with the required connection parameters.
Dim connectionParameters As New Access97ConnectionParameters("../../Data/nwind.mdb", "", "")
Dim ds As New SqlDataSource(connectionParameters)
' Return a list of categories sorted by the number of products in each category.
' The chain ends with calling the Build method accepting the query name as a parameter.
Dim query As SelectQuery = SelectQueryFluentBuilder.
AddTable("Products").
SelectColumn("CategoryID").
GroupBy("CategoryID").
SortBy("ProductID", AggregationType.Count, System.ComponentModel.ListSortDirection.Descending).
Filter("[CategoryID] != 8").
Build("MyQuery")
' Add the query to the collection and return the data source.
ds.Queries.Add(query)
Return ds
End Function
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.
data-access-library-create-data-sources-at-runtime/CS/SqlDataSourceSnippets/Code.cs#L25
{
SelectQuery query = SelectQueryFluentBuilder
.AddTable("Categories")
DashboardUserBasedAspNetCore/CS/Code/CustomDataSourceStorage.cs#L23
DashboardSqlDataSource sqlDataSource1 = new DashboardSqlDataSource(sqlDataSourceId1, "NorthwindConnectionString");
SelectQuery query1 = SelectQueryFluentBuilder
.AddTable("Categories")
dashboard-blazor-server-multi-tenancy/CS/BlazorAuth/Code/CustomDataSourceStorage.cs#L22
DashboardSqlDataSource sqlDataSource1 = new DashboardSqlDataSource(sqlDataSourceId1, "NorthwindConnectionString");
SelectQuery query1 = SelectQueryFluentBuilder
.AddTable("Categories")
reporting-winforms-sql-data-source-runtime/CS/RuntimeSqlDataSourceReportSample/QueryHelper.cs#L12
{
SelectQuery query = SelectQueryFluentBuilder
.AddTable("Categories")
reporting-web-customize-web-report-wizard/CS/MvcWizardCustomization/Utils.cs#L10
// Create a SQL query to access the Products data table.
SelectQuery query = SelectQueryFluentBuilder.AddTable("Products").SelectAllColumnsFromTable().Build("Products");
ds.Queries.Add(query);
data-access-library-create-data-sources-at-runtime/VB/SqlDataSourceSnippets/Code.vb#L21
Private Sub SelectQueryCreation()
Dim query As SelectQuery = SelectQueryFluentBuilder.AddTable("Categories").SelectColumn("CategoryName").GroupBy("CategoryName").Join("Products", "CategoryID").SelectColumn("ProductName", AggregationType.Count, "ProductCount").SortBy("ProductName", AggregationType.Count, System.ComponentModel.ListSortDirection.Descending).GroupFilter("[ProductCount] > 7").Build("Categories")
DataSource.Queries.Add(query)
reporting-winforms-sql-data-source-runtime/VB/RuntimeSqlDataSourceReportSample/QueryHelper.vb#L13
Public Shared Function CreateSelectQuery() As SqlQuery
Dim query As SelectQuery = SelectQueryFluentBuilder.AddTable("Categories").
SelectColumn("CategoryName").
' Create a query and specify its SELECT expression.
Dim query As SelectQuery = SelectQueryFluentBuilder.AddTable("Products").SelectColumn("CategoryID").GroupBy("CategoryID").SelectExpression("StDev([Products].[UnitPrice])", "PriceDeviation").Build("Products")
reporting-winforms-bind-mdb-with-select-query/VB/RuntimeBindingToMdbDatabase/Form1.vb#L28
' to end the chain of methods.
Dim query As SelectQuery = SelectQueryFluentBuilder.AddTable("Categories").SelectColumn("CategoryName").GroupBy("CategoryName").Join("Products", "CategoryID").SelectColumn("ProductName", AggregationType.Count, "ProductCount").SortBy("ProductName", AggregationType.Count, System.ComponentModel.ListSortDirection.Descending).GroupFilter("[ProductCount] > 7").Build("selectQuery")
reporting-winforms-filter-report-data-query/VB/QueryParametersRuntime/XtraReport1.vb#L26
' Create a query to access fields of the Products data table.
Dim query As SelectQuery = SelectQueryFluentBuilder.AddTable("Products").SelectColumns("CategoryID", "ProductName").Build("Products")
See Also
SelectQueryFluentBuilder Class