Session: How to Check if Entity has Changed
To check if a specific entity differs from the one downloaded from server, the HasChanged method from the Advanced session operations can be used.
Syntax
bool HasChanged(object entity);
| Parameters |
|
|
| entity |
object |
Instance of entity for which changes will be checked. |
| Return Value |
|
| bool |
Indicated if given entity has changed. |
Example
Employee employee = session.Load<Employee>("employees/1-A");
bool hasChanged = session.Advanced.HasChanged(employee); // false
employee.LastName = "Shmoe";
hasChanged = session.Advanced.HasChanged(employee); // true