About tableadapter. Update Access Database

In vs2005 today, the ACCESS database updated with tableadapter. Update has been changed in dataset, but it remains unchanged in the database at next startup.

 

I am troubled by this problem for a long time today. I went online to find information,

Find

When you use the ACCESS database, there is a copy big output directory attribute under the database attribute of your solution resource manager. If it is always copied, although you have rewritten the currently used database, however, it will be overwritten during the next running. It seems that there is no update, but it has already been updated.

Another mistake I made was to call acceptchanges () Before update ().