DevExpress.Xpo.Exceptions Namespace
Contains classes that describe exceptions which may occur when working with data in XPO.
Assembly: DevExpress.Xpo.v24.2.dll
NuGet Package: DevExpress.Xpo
#Classes
Name | Description |
---|---|
Association |
An exception that is thrown when the element |
Association |
An exception that is thrown when a persistent property marked with the Association |
Cannot |
An exception that is thrown when the essential properties of the currently connected session are about to be modified. |
Cannot |
Occurs when a connection string or an IDb |
Cannot |
An exception that is thrown when a persistent object cannot be loaded because it’s type is not valid. |
Cannot |
An exception that is thrown when attempting to reload an object that is not present in a persistent data store. |
Cannot |
An exception that is thrown when the XPDictionary cannot provide XPClass |
Different |
An exception that is thrown when two objects within the current session have the same key. |
Duplicate |
An exception that is thrown when a persistent object has two or more key properties. |
Key |
An exception that is thrown when a persistent object doesn’t have a key. |
Keys |
An exception that is thrown when a key field doesn’t support automatic value generation |
Non |
An exception that is thrown when a persistent reference to a non-persistent class exists. |
Object |
An exception that is thrown when a severe internal error occurs. |
Property |
An exception that is thrown when an invalid property name is specified. |
Required |
An exception that is thrown when an attribute with the specified name cannot be found for a specific property. |
Same |
An exception that is thrown when two persistent classes are mapped to the same table. |
Session |
An exception that is thrown when a persistent class doesn’t have a constructor with a Session parameter. |
Session |
An exception that is thrown when a persistent object that belongs to a specific session is used within another session or refers to an object from another session. |
Transaction |
An exception that is thrown when the sequence of the Begin |
Type |
An exception that is thrown when an internal error occurs. |
Type |
An exception that is thrown when an object in storage refers to a type that cannot be found. |
Unable |
An exception that is thrown when an error occurs when building the tree structure of classes. |
XMLDictionary |
An exception that is thrown when an error occurs whilst object metadata is being loaded from an XML file. |