>Now, I want to add a new record. I add a new record to Trans_Relateds, Relateds and Names. The first time I can save data, no problems. But the second time I'm getting an Update Conflict.
>
>If your underlying table has any default values (including auto-incrementing fields), you need to requery the view after saving the newly added record.

Thanks, Marcia. I found it to be the case, so I added this.requery() into OnSaveNew method. Everything now works fine.