private void detach_Measurements(Measurement_LINQ entity)
 {
     this.SendPropertyChanging();
     entity.Unit = null;
 }
 private void attach_Measurements(Measurement_LINQ entity)
 {
     this.SendPropertyChanging();
     entity.Measurement2 = this;
 }
 partial void UpdateMeasurement(Measurement_LINQ instance);
 partial void DeleteMeasurement(Measurement_LINQ instance);
 partial void InsertMeasurement(Measurement_LINQ instance);