IDataStore.UpdateSchema(Boolean, DBTable[]) Method

When implemented by a class, updates the storage schema according to the specified class descriptions.

Namespace: DevExpress.Xpo.DB

Assembly: DevExpress.Data.v24.1.dll

NuGet Package: DevExpress.Data

Declaration

C#

UpdateSchemaResult UpdateSchema(
    bool doNotCreateIfFirstTableNotExist,
    params DBTable[] tables
)

VB.NET

Function UpdateSchema(
    doNotCreateIfFirstTableNotExist As Boolean,
    ParamArray tables As DBTable()
) As UpdateSchemaResult

Parameters

Name	Type	Description
doNotCreateIfFirstTableNotExist	Boolean	true if the schema should not be created if the table that corresponds to the first item in the tables array doesn’t exist in the data store.
tables	DBTable[]	An array of tables whose structure should be saved in the data store.

Returns

Type	Description
UpdateSchemaResult	An UpdateSchemaResult value that specifies the result of the update operation.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the UpdateSchema(Boolean, DBTable[]) 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#

xaf-how-to-prevent-altering-the-legacy-database-schema-when-creating-an-xaf-application/CS/WinWebSolution.Module/XpoDataStoreProxy.cs#L98

}
legacyDataStore.UpdateSchema(false, db1Tables.ToArray());
tempDataStore.UpdateSchema(false, db2Tables.ToArray());

XAF-How-to-Implement-CRUD-Operations-for-Non-Persistent-Objects-Stored-Remotely/CS/NonPersistentObjectsDemo.Module/BusinessObjects/AuxiliaryStorage.cs#L71

Mappings.Add(typeof(Message), mMessage);
DataStore.UpdateSchema(false, mAccount.Table, mMessage.Table);
CreateDemoData((InMemoryDataStore)DataStore);

VB.NET

xaf-how-to-prevent-altering-the-legacy-database-schema-when-creating-an-xaf-application/VB/WinWebSolution.Module/XpoDataStoreProxy.vb#L98

Next table
legacyDataStore.UpdateSchema(False, db1Tables.ToArray())
tempDataStore.UpdateSchema(False, db2Tables.ToArray())