XpoDefault Class

Provides global settings.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v22.1.dll

Declaration

C#

public static class XpoDefault

VB.NET

Public Module XpoDefault

Remarks

The XpoDefault stores global settings such as a connection string or a shared DAL and simplifies the implementation of multi-session applications.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the XpoDefault 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#

how-to-bind-wpf-grid-to-data/CS/CodeBehind/XPO/InfiniteAsyncSource/Issues/ConnectionHelper.cs#L16

public static void Connect() {
    XpoDefault.DataLayer = CreateDataLayer(true);
}

Create-a-Report-Bound-To-XPObjectSource/CS/Create a Report Bound to XPObjectSource/ORMDataModel1Code/ConnectionHelper.cs#L30

if (threadSafe) {
    var provider = XpoDefault.GetConnectionProvider(ConnectionString, autoCreateOption);
    var dictionary = new DevExpress.Xpo.Metadata.ReflectionDictionary();

winforms-dashboard-xpo-data-source/CS/DashboardXpoExample/ORMDataModel1Code/ConnectionHelper.cs#L34

{
    var provider = XpoDefault.GetConnectionProvider(ConnectionString, autoCreateOption);
    var dictionary = new DevExpress.Xpo.Metadata.ReflectionDictionary();

XPO_tutorial-1-your-first-data-aware-application-with-xpo-e4555/CS/XpoTutorial1/MyDataModelCode/ConnectionHelper.cs#L16

public static void Connect(DevExpress.Xpo.DB.AutoCreateOption autoCreateOption) {
    XpoDefault.DataLayer = XpoDefault.GetDataLayer(ConnectionString, autoCreateOption);
    XpoDefault.Session = null;

XPO_tutorial-2-relations-one-to-many-e4557/CS/XpoTutorial2/MyDataModelCode/ConnectionHelper.cs#L16

public static void Connect(DevExpress.Xpo.DB.AutoCreateOption autoCreateOption) {
    XpoDefault.DataLayer = XpoDefault.GetDataLayer(ConnectionString, autoCreateOption);
    XpoDefault.Session = null;

VB.NET

how-to-bind-wpf-grid-to-data/VB/CodeBehind/XPO/InfiniteAsyncSource/Issues/ConnectionHelper.vb#L12

Public Sub Connect()
    XpoDefault.DataLayer = CreateDataLayer(True)
End Sub

Create-a-Report-Bound-To-XPObjectSource/VB/Create a Report Bound to XPObjectSource/ORMDataModel1Code/ConnectionHelper.vb#L35

If threadSafe Then
    Dim provider = XpoDefault.GetConnectionProvider(ConnectionString, autoCreateOption)
    Dim dictionary = New DevExpress.Xpo.Metadata.ReflectionDictionary()

winforms-dashboard-xpo-data-source/VB/DashboardXpoExample/ORMDataModel1Code/ConnectionHelper.vb#L34

If threadSafe Then
    Dim provider = XpoDefault.GetConnectionProvider(ConnectionString, autoCreationOption)
    Dim dictionary = New DevExpress.Xpo.Metadata.ReflectionDictionary()

XPO_tutorial-1-your-first-data-aware-application-with-xpo-e4555/VB/XpoTutorial1/MyDataModelCode/ConnectionHelper.vb#L16

Public Sub Connect(ByVal autoCreateOption As DevExpress.Xpo.DB.AutoCreateOption)
    XpoDefault.DataLayer = XpoDefault.GetDataLayer(ConnectionString, autoCreateOption)
    XpoDefault.Session = Nothing

XPO_tutorial-2-relations-one-to-many-e4557/VB/XpoTutorial2/MyDataModelCode/ConnectionHelper.vb#L19

Public Shared Sub Connect(ByVal autoCreateOption As DevExpress.Xpo.DB.AutoCreateOption)
    XpoDefault.DataLayer = XpoDefault.GetDataLayer(ConnectionString, autoCreateOption)
    XpoDefault.Session = Nothing

Inheritance

Object

XpoDefault