XpoDefault.GetDataLayer(IDbConnection, XPDictionary, AutoCreateOption) Method

Creates a data layer for the specified connection and metadata information.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v24.1.dll

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

NuGet Package: DevExpress.Xpo

Declaration

C#

public static IDataLayer GetDataLayer(
    IDbConnection connection,
    XPDictionary dictionary,
    AutoCreateOption autoCreateOption
)

VB.NET

Public Shared Function GetDataLayer(
    connection As IDbConnection,
    dictionary As XPDictionary,
    autoCreateOption As AutoCreateOption
) As IDataLayer

Parameters

Name	Type	Description
connection	IDbConnection	An object implementing the IDbConnection interface that represents an open connection to a data source.
dictionary	XPDictionary	An XPDictionary object that provides the metadata information.
autoCreateOption	AutoCreateOption	An AutoCreateOption value that specifies which operations should be performed when a data store is accessed for the first time.

Returns

Type	Description
IDataLayer	The created SimpleDataLayer object.

Remarks

This method creates a corresponding IDataStore object based on the specified connection and autoCreateOption parameters and then creates a SimpleDataLayer object that wraps the created IDataStore object.

The value returned by this method can be used to initialize the XpoDefault.DataLayer property or passed to a Session object’s constructor.

When you have finished working with a data layer you need to dispose of it to release the resources allocated by the data layer.