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Locking and Unlocking Objects

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You can lock an object in Object Designer so that other developers cannot save design changes to the object. After you lock an object, the Locked field in Object Designer is selected, and the Locked By column shows the user who locked the object.

When an object is locked, another user can still do the following:

  • Open the object in the designer, make changes, and compile the object. However, another user cannot save the object. The locked object is marked as Read Only when another user opens it in the designer.

  • Run the object. For example, a user can run a table and can add or delete records in the table even if it is locked for design changes.

When you finish making design changes to an object, you can unlock it in Object Designer. The Locked and Locked By fields are cleared, and other users can now lock the object or save changes to the object.

You can select one object or multiple objects at the same time to lock or unlock. You can also set the Auto-Lock on Design option to automatically lock all objects that you open for designing.

Object Table

The information in the Locked and Locked By columns is stored in table 2000000001, the Object table. The Object table is a system table that stores information about objects in the application.

Concurrency Considerations

Even though you can lock objects, it is still possible for developers to have concurrency issues, as shown in the following examples.

  • A developer opens an object in the designer but does not lock it. The developer makes several changes to the object and saves the changes periodically. At the same time, a second developer locks the object, and the first developer cannot save design changes to the object. The first developer gets an error message that the object is locked by the second developer.

  • A developer locks an object. A second developer opens the locked object in read-only mode, and then the first developer unlocks the object. The second developer still cannot save design changes to the object even though the object is now unlocked because it is open in read-only mode.

To lock an object

  1. In the Dynamics NAV Development Environment, on the Tools menu, choose Object Designer.

  2. In Object Designer, select one or more objects that are not already locked, and then do one of the following steps:

    • Right-click the object or objects, and then choose Lock.

    • On the File menu, choose Lock.

    • Select Ctrl+Alt+L.

To unlock an object

  1. In the Dynamics NAV Development Environment, on the Tools menu, choose Object Designer.

  2. In Object Designer, select one or more objects that you have locked, and then do one of the following steps:

    • Right-click the object or objects, and then choose Unlock.

    • On the File menu, choose Unlock.

    • Select Ctrl+Alt+U.

To force unlock an object

  1. In the development environment, on the Tools menu, choose Object Designer.

  2. In Object Designer, select one or more objects that you want to force unlock, and then do one of the following steps:

    • Right-click the object or objects, and then choose Force Unlock.

    • On the File menu, choose Force Unlock.

  3. Confirm that you want to force unlock the object.

    Note

    You must have the SUPER user permission set to force unlock an object.

To unlock all objects that you have locked

  1. In the development environment, on the Tools menu, choose Object Designer.

  2. In Object Designer, choose All.

  3. On the View menu, choose Table Filter.

  4. In the Table Filter window, enter Locked By in the Field field, enter your user name in the Filter field, and then choose OK.

  5. On the Edit menu, choose Select All, and then do one of the following steps:

    • Right-click the object or objects, and then choose Unlock.

    • On the File menu, choose Unlock.

    • Select Ctrl+Alt+U.