DBColumn.IsKey Field

true if the column is the key column; otherwise, false.

Namespace: DevExpress.Xpo.DB

Assembly: DevExpress.Data.v24.1.dll

NuGet Package: DevExpress.Data

Declaration

C#

public bool IsKey

VB.NET

Public IsKey As Boolean

Field Value

Type
Boolean

Related GitHub Examples

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

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#

XAF-How-to-Implement-CRUD-Operations-for-Non-Persistent-Objects-Stored-Remotely/CS/NonPersistentObjectsDemo.Module/DataStoreMapper.cs#L48

private DBColumn GetKeyColumn(DataStoreMapping mapping) {
    return mapping.Table.Columns.First(c => c.IsKey);
}

XPO_how-to-generate-persistent-metadata-for-an-arbitrary-data-table-e2922/CS/MapArbitraryDatabaseExample/Program.cs#L43

foreach (DBColumn col in table.Columns)
    if (!col.IsKey && col.ColumnType != DBColumnType.Unknown)
        classInfo.CreateMember(col.Name, DBColumn.GetType(col.ColumnType));

VB.NET

XAF-How-to-Implement-CRUD-Operations-for-Non-Persistent-Objects-Stored-Remotely/VB/NonPersistentObjectsDemo.Module/DataStoreMapper.vb#L48

Private Function GetKeyColumn(ByVal mapping As DataStoreMapping) As DBColumn
    Return mapping.Table.Columns.First(Function(c) c.IsKey)
End Function