XAF0028: Use the corresponding XPO attribute
In This Article
Severity: Warning
Do not decorate members of an XPO class with attributes from the DevExpress.ExpressApp.DC
namespace. These attributes are intended to be used with non-persistent classes only. Use corresponding XPO attributes instead.
Consider the following popular replacements for XAF ORM-agnostic attributes in XPO classes:
Attribute | Replacement |
---|---|
DevExpress. |
DevExpress. |
DevExpress. |
DevExpress. |
DevExpress. |
DevExpress. |
DevExpress. |
DevExpress. |
#Examples
#Invalid Code
C#
using DevExpress.Xpo;
namespace TestApplication.Module.BusinessObjects {
public class TestClass : XPObject {
[DevExpress.ExpressApp.DC.FieldSize(1000)]
public string Description { get; set; }
}
}
#Valid Code
C#
using DevExpress.Xpo;
namespace TestApplication.Module.BusinessObjects {
public class TestClass : XPObject {
public TestClass(Session session) : base(session) { }
[Size(1000)]
public string Description { get; set; }
}
}