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Changing the return type of a DataContext method cannot be undone

Changing the return type of a DataContext method cannot be undone. To revert back to the automatically generated type, you must drag the item from Server Explorer/Database Explorer onto the O/R Designer again. Are you sure you want to change the return type?

The return type of a DataContext method differs depending on where you drop the item in the O/R Designer. If you drop an item directly onto an existing entity class, a DataContext method that has the return type of the entity class is created. If you drop an item onto an empty area of the O/R Designer, a DataContext method that returns an automatically generated type is created. You can change the return type of a DataContext method after you add it to the methods pane. To inspect or change the return type of a DataContext method, select it and click the Return Type property in the Properties window.

To change the return type of a DataContext

  • Click Yes.

To exit the message box and leave the return type unchanged

  • Click No.

To revert to the original return type after changing the return type

  1. Select the DataContext method on the O/R Designer and delete it.

  2. Locate the item in Server Explorer/Database Explorer and drag it onto the O/R Designer.

    A DataContext method is created with the original default return type.

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