Troubleshooting Exceptions: Microsoft.Office.Tools.ControlNameAlreadyExistsException 

A ControlNameAlreadyExistsException exception is thrown when you attempt to programmatically create a control with the same name as another control in your project.

Associated Tips

• Use a different name for one of the controls.
  Control names must be unique.

See Also

Tasks

How to: Find Out More About an Exception with the Exception Assistant

Reference

ControlNameAlreadyExistsException