XPDictionary.GetDataStoreSchema(Type[]) Method

Gets the complete schema of a data store that corresponds to the persistent objects of the specified class types.

Namespace: DevExpress.Xpo.Metadata

Assembly: DevExpress.Xpo.v24.1.dll

NuGet Packages: DevExpress.Win.PivotGrid, DevExpress.Win.TreeMap, DevExpress.Xpo

NuGet Package: DevExpress.Xpo

Declaration

C#

public DBTable[] GetDataStoreSchema(
    params Type[] types
)

VB.NET

Public Function GetDataStoreSchema(
    ParamArray types As Type()
) As DBTable()

Parameters

Name	Type	Description
types	Type[]	An array of class types which correspond to the persistent objects.

Returns

Type	Description
DBTable[]	An array of data tables of the DBTable type which correspond to the persistent objects of the class types that are specified by the types array.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the GetDataStoreSchema(Type[]) 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#

how-to-bind-wpf-grid-to-data/CS/CodeBehind/XPO/InfiniteAsyncSource/Issues/ConnectionHelper.cs#L25

// Pass all of your persistent object types to this method.
dictionary.GetDataStoreSchema(PersistentTypes);
// Use AutoCreateOption.DatabaseAndSchema if the database or tables do not exist.

wpf-data-grid-implement-crud-operations/CS/CodeBehind/XPO/InfiniteAsyncSource/Issues/ConnectionHelper.cs#L25

// Pass all of your persistent object types to this method.
dictionary.GetDataStoreSchema(PersistentTypes);
// Use AutoCreateOption.DatabaseAndSchema if the database or tables do not exist.

winforms-reporting-create-report-bound-to-xpobjectsource/CS/ORMDataModel1Code/ConnectionHelper.cs#L32

var dictionary = new DevExpress.Xpo.Metadata.ReflectionDictionary();
dictionary.GetDataStoreSchema(persistentTypes);
XpoDefault.DataLayer = new ThreadSafeDataLayer(dictionary, provider);

XPO_how-to-bind-data-to-wpf-controls-using-xpservermodeview-or-xpinstantfeedbackview/CS/WpfApplication/DataAccess/ConnectionHelper.cs#L23

ReflectionDictionary dictionary = new ReflectionDictionary();
dictionary.GetDataStoreSchema(PersistentTypes);   // Pass all of your persistent object types to this method.
AutoCreateOption autoCreateOption = AutoCreateOption.DatabaseAndSchema;  // Use AutoCreateOption.DatabaseAndSchema if the database or tables does not exists. Use AutoCreateOption.SchemaAlreadyExists if the database already exists.

XPO_how-to-implement-odata4-service-with-xpo/CS/ODataService/Helpers/ConnectionHelper.cs#L36

dictionary.NullableBehavior = NullableBehavior.ByUnderlyingType;
dictionary.GetDataStoreSchema(persistentTypes);
if(threadSafe) {

VB.NET

how-to-bind-wpf-grid-to-data/VB/CodeBehind/XPO/InfiniteAsyncSource/Issues/ConnectionHelper.vb#L21

' Pass all of your persistent object types to this method.
dictionary.GetDataStoreSchema(PersistentTypes)
' Use AutoCreateOption.DatabaseAndSchema if the database or tables do not exist.

winforms-reporting-create-report-bound-to-xpobjectsource/VB/ORMDataModel1Code/ConnectionHelper.vb#L33

Dim dictionary = New DevExpress.Xpo.Metadata.ReflectionDictionary()
dictionary.GetDataStoreSchema(persistentTypes)
XpoDefault.DataLayer = New ThreadSafeDataLayer(dictionary, provider)

XPO_how-to-bind-data-to-wpf-controls-using-xpservermodeview-or-xpinstantfeedbackview/VB/WpfApplication/DataAccess/ConnectionHelper.vb#L20

Dim dictionary As New ReflectionDictionary()
dictionary.GetDataStoreSchema(PersistentTypes) ' Pass all of your persistent object types to this method.
Dim autoCreateOption As AutoCreateOption = DevExpress.Xpo.DB.AutoCreateOption.DatabaseAndSchema ' Use AutoCreateOption.DatabaseAndSchema if the database or tables does not exists. Use AutoCreateOption.SchemaAlreadyExists if the database already exists.

XPO_how-to-bind-data-to-winforms-controls-using-xpservermodeview-or-xpinstantfeedbackview/VB/XPServerModeViewDemo/DataAccess/ConnectionHelper.vb#L20

Dim dictionary As New ReflectionDictionary()
dictionary.GetDataStoreSchema(PersistentTypes) ' Pass all of your persistent object types to this method.
Dim autoCreateOption As AutoCreateOption = DevExpress.Xpo.DB.AutoCreateOption.DatabaseAndSchema ' Use AutoCreateOption.DatabaseAndSchema if the database or tables does not exists. Use AutoCreateOption.SchemaAlreadyExists if the database already exists.

XPO_how-to-implement-custom-aggregates/VB/XpoCustomAggregate/DataAccess/ConnectionHelper.vb#L20

Dim dictionary As New ReflectionDictionary()
dictionary.GetDataStoreSchema(PersistentTypes) ' Pass all of your persistent object types to this method.
Dim autoCreateOption As AutoCreateOption = DevExpress.Xpo.DB.AutoCreateOption.DatabaseAndSchema ' Use AutoCreateOption.DatabaseAndSchema if the database or tables does not exists. Use AutoCreateOption.SchemaAlreadyExists if the database already exists.