OptimisticLockException Constructor (String, Exception)
Creates a new instance of the OptimisticLockException class with a specified error message and inner exception that is the cause of this exception.
Namespace: Microsoft.CommerceServer
Assembly: Microsoft.CommerceServer.CrossTierTypes (in Microsoft.CommerceServer.CrossTierTypes.dll)
Syntax
'Declaration
Public Sub New ( _
message As String, _
inner As Exception _
)
'Usage
Dim message As String
Dim inner As Exception
Dim instance As New OptimisticLockException(message, _
inner)
public OptimisticLockException(
string message,
Exception inner
)
public:
OptimisticLockException(
String^ message,
Exception^ inner
)
public function OptimisticLockException(
message : String,
inner : Exception
)
Parameters
- message
Type: System..::.String
The error message that explains the reason for the exception.
- inner
Type: System..::.Exception
The exception that is the cause of the current exception, or a nullNothingnullptra null reference (Nothing in Visual Basic) reference (Nothing in Visual Basic) if no inner exception is specified.
Remarks
If the inner parameter is not a nullNothingnullptra null reference (Nothing in Visual Basic) reference, the current exception is raised in a catch block that handles the inner exception.
OptimisticLockException is thrown when an attempt is made to save an entity and it is detected that the database record has been modified since the time the entity being edited was retrieved from the database. This is a safety mechanism used to prevent one author from inadvertently overwriting the changes of another author. For individual entity updates, this is determined by comparing the last modified date of the entity to the last modified date of the database record. For bulk updates (and resource table entities) this is determined by comparing the original DataSet values with those currently in the database.
Permissions
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.
See Also
Reference
OptimisticLockException Members