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SubForm.Locked Property (Access)

The Locked property specifies whether you can edit data in a control in Form view. Read/write Boolean.

expression .Locked

expression A variable that represents a SubForm object.

The default setting of the Locked property is True. This setting allows editing, adding, and deleting data.

Use the Locked property to protect data in a field by making it read-only. For example, you might want a control to only display information without allowing editing, or you might want to lock a control until a specific condition is met.

The following example toggles the Enabled property of a command button and the Enabled and Locked properties of a control, depending on the type of employee displayed in the current record. If the employee is a manager, then the SalaryDetails button is enabled and the PersonalInfo control is unlocked and enabled.

Sub Form_Current() 
 If Me!EmployeeType = "Manager" Then 
 Me!SalaryDetails.Enabled = True 
 Me!PersonalInfo.Enabled = True 
 Me!PersonalInfo.Locked = False 
 Else 
 Me!SalaryDetails.Enabled = False 
 Me!PersonalInfo.Enabled = False 
 Me!PersonalInfo.Locked = True 
 End If 
End Sub
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