C# (CSharp) App.Infrastructure ClassroomDbContext.SaveChangesの例

コード例 #1

        public void RemoveById(long studentId)
        {
            IQueryable <StudentLesson> deleteThese = _dbContext.StudentLessons.Where(x => x.StudentId == studentId);

            _dbContext.StudentLessons.RemoveRange(deleteThese);
            _dbContext.SaveChanges();
        }