/// <summary>
/// Get the root-level exception of the specified exception.
/// </summary>
/// <param name="exceptionId">The id of an existing exception.</param>
private ExceptionLog GetOutermostException(int exceptionId)
{
var dataContext = GetDataContext();
var exceptionService = new ExceptionLogService(dataContext);
var exception = exceptionService.GetNoTracking(exceptionId);
return(GetOutermostException(exception));
}