Login | Register   
RSS Feed
Download our iPhone app
Browse DevX
Sign up for e-mail newsletters from DevX

By submitting your information, you agree that devx.com may send you DevX offers via email, phone and text message, as well as email offers about other products and services that DevX believes may be of interest to you. DevX will process your information in accordance with the Quinstreet Privacy Policy.

Tip of the Day
Expertise: Beginner
Aug 8, 1997



Building the Right Environment to Support AI, Machine Learning and Deep Learning

Avoid Update Errors In Access Databases

Avoid "Couldn't update; currently locked by user 'name' on machine 'machine' " error in VB4 when two or more applications access the same MS Access database table.

For the given table, a primary or any nonunique key is defined. The two applications may have opened the database table as any one of the record-set types such as dynaset or table.

If one of the applications is idle (just opened the record set and no edit/updation taking place) and the other application tries to update or add a record to the table, then the Error Code: 3260 ("Couldn't update; currently locked by user 'name' on machine 'machine' ") is displayed.

To avoid this, after the record set is opened (in case of a table record set, if index is being set, then after the Index property is set), include this statement:

DBEngine.Idle (dbFreeLocks)

VB4 releases the table locks and now the other application will be able to update the database table. For example:

Dim DB as Database, TB as Recordset

Set Db = WorkSpaces(0).OpenDatabase_
Set TB = Db.OpenRecordset("Customer_
Tb.Index = "PrimaryKey"

DBEngine.Idle (dbFreelocks)

Rajesh Patil
Comment and Contribute






(Maximum characters: 1200). You have 1200 characters left.



Thanks for your registration, follow us on our social networks to keep up-to-date