/// <summary> /// 移除用户考卷信息 /// </summary> /// <param name="exam"></param> /// <returns></returns> public static bool Remove(ExamUsers exam) { using (var db = new DataContext()) { db.ExamUsers.Attach(exam); db.Entry(exam).State = Microsoft.EntityFrameworkCore.EntityState.Deleted; return(db.SaveChanges() == 1); } }
/// <summary> /// 插入一条用户考卷信息 /// </summary> /// <param name="exam"></param> /// <returns></returns> public static bool Insert(ExamUsers exam) { if (exam == null) { return(false); } bool success = false; using (var db = new DataContext()) { db.ExamUsers.Add(exam); success = db.SaveChanges() > 0; } return(success); }
/// <summary> /// 更新用户考卷信息 /// </summary> /// <param name="exam">用户考卷</param> /// <returns></returns> public static bool Update(ExamUsers exam) { if (exam == null) { return(false); } bool success = false; using (var db = new DataContext()) { db.ExamUsers.Attach(exam); db.Entry(exam).State = Microsoft.EntityFrameworkCore.EntityState.Modified; success = db.SaveChanges() > 0; } return(success); }