Column Class

A column of a data table retrieved by a SelectQuery.

Namespace: DevExpress.DataAccess.Sql

Assembly: DevExpress.DataAccess.v20.2.dll

NuGet Packages: DevExpress.DataAccess, DevExpress.WindowsDesktop.DataAccess

Declaration

C#

public sealed class Column :
    AliasedBase

VB.NET

Public NotInheritable Class Column
    Inherits AliasedBase

Related API Members

The following members return Column objects:

• SelectQuery.SelectColumn(Table, String, AggregationType, String)
• SelectQuery.SelectColumn(Table, String, String)
• SelectQuery.SelectColumn(Table, String)
• SelectQuery.SelectExpression(String, AggregationType, String)
• SelectQuery.SelectExpression(String, String)

Remarks

A Column object is returned by the SelectQuery.SelectColumn and SelectQuery.SelectExpression methods.

To access all columns selected by a specific query, use the SelectQuery.Columns property.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the Column class.

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#

Reporting_how-to-use-the-web-document-viewer-in-javascript-with-reactjs-t561300/CS/ServerSide/XtraReport1.cs#L16

DevExpress.DataAccess.Sql.SelectQuery selectQuery1 = new DevExpress.DataAccess.Sql.SelectQuery();
DevExpress.DataAccess.Sql.Column column1 = new DevExpress.DataAccess.Sql.Column();
DevExpress.DataAccess.Sql.ColumnExpression columnExpression1 = new DevExpress.DataAccess.Sql.ColumnExpression();

Reporting_how-to-use-the-web-report-designer-in-javascript-with-reactjs-t561295/CS/ServerSide/XtraReport1.cs#L16

DevExpress.DataAccess.Sql.SelectQuery selectQuery1 = new DevExpress.DataAccess.Sql.SelectQuery();
DevExpress.DataAccess.Sql.Column column1 = new DevExpress.DataAccess.Sql.Column();
DevExpress.DataAccess.Sql.ColumnExpression columnExpression1 = new DevExpress.DataAccess.Sql.ColumnExpression();

VB.NET

Reporting_how-to-use-the-web-document-viewer-in-javascript-with-reactjs-t561300/VB/ServerSide/XtraReport1.vb#L18

Dim selectQuery1 As New DevExpress.DataAccess.Sql.SelectQuery()
Dim column1 As New DevExpress.DataAccess.Sql.Column()
Dim columnExpression1 As New DevExpress.DataAccess.Sql.ColumnExpression()

Reporting_how-to-use-the-web-report-designer-in-javascript-with-reactjs-t561295/VB/ServerSide/XtraReport1.vb#L18

Dim selectQuery1 As New DevExpress.DataAccess.Sql.SelectQuery()
Dim column1 As New DevExpress.DataAccess.Sql.Column()
Dim columnExpression1 As New DevExpress.DataAccess.Sql.ColumnExpression()

Inheritance

Object

ColumnBase

AliasedBase

Column