protected override void InternalUpdateControlValueFromBo()
{
if (_businessObject != null)
{
var relationship = _businessObject.Relationships[PropertyName];
_editableGrid.Initialise(relationship.RelatedObjectClassDef);
_editableGrid.BusinessObjectCollection =_businessObject.Relationships.GetRelatedCollection(PropertyName);
} else
{
_editableGrid.BusinessObjectCollection = null;
}
}
}