Microsoft
70-516 · Question #158
You are adding a process to the application. The process performs the following actions: 1. Opens a ContosoEntities context object named context1. 2. Loads a Part object into a variable named part1…
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Manipulating and Validating Data
Question
You are adding a process to the application. The process performs the following actions: 1. Opens a ContosoEntities context object named context1. 2. Loads a Part object into a variable named part1. 3. Calls the Dispose() method on context1. 4. Updates the data in part1. 5. Updates the database by using a new ContosoEntities context object named context2. You need to update the database with the changed data from part1. What should you do?
Options
- AAdd the following code segment before calling SaveChanges() on context2:
- BAdd the following code segment before calling SaveChanges() on context2:
- CAdd the following code segment before calling SaveChanges() on context2:
- DAdd the following code segment before calling SaveChanges() on context2:
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Topics
#detached entity#ObjectContext#disconnected scenario#entity reattachment