|Locks the object. Returns True if the object has been changed on the server.
|Posts all changed values into database.
|Reads saved values, overwriting values in memory.
|Undoes changes to field values that have not been posted.
|Unlocks the object.
|If true, the database is updated immediately when the field value changes.
|The value of the specified field.
|The item ID.
|Checks if object is locked for editing.
|Checks if the item has been modified since last refresh or post operation. If true, the field properties on the server side are not up to date.
|Checks if this is a virtual item, that is, an item that does not have a corresponding database record.