/// <summary>
/// 批量删除用户
/// </summary>
/// <param name="users"></param>
/// <returns></returns>
public static int DeleteUser(List <User> users)
{
using (var dbContext = new DataModels())
{
users.ForEach(u => dbContext.Entry(u).State = System.Data.Entity.EntityState.Deleted);
dbContext.Users.RemoveRange(users);
return(dbContext.SaveChanges());
}
}
//增添：
/// <summary>
/// 增加新的experiment
/// </summary>
/// <param name="experiment"></param>
/// <returns>0|1</returns>
/// 思路：传入experiment拥有courseid，name，type，detail，resource
/// createtime，starttime，endtime，deadline.......
/// 缺：好像啥都不缺...
public static int AddExperiment(Experiment experiment)
{
using (var dbContext = new DataModels())
{
dbContext.Experiments.Add(experiment);
dbContext.SaveChanges();
dbContext.Entry(experiment);
return(experiment.id);
}
}
/// <summary>
/// 按学生id及课程id删除课程-学生
/// created by jyf
/// 2019.7.22
/// </summary>
/// <param name="courseId"></param>
/// <returns>n</returns>
public static int DeleteMapByStudentIdAndCourseId(string studentId, int courseId)
{
using (var dbContext = new DataModels())
{
var vm = dbContext.course_student_mapping.Where(r => r.student_id == studentId).Where(r => r.course_id == courseId);
vm.ToList().ForEach(t => dbContext.Entry(t).State = System.Data.Entity.EntityState.Deleted);
dbContext.course_student_mapping.RemoveRange(vm);
return(dbContext.SaveChanges());
}
}
public ActionResult Edit(int id, Customer customer)
{
try
{
// TODO: Add update logic here
using (DataModels db = new DataModels())
{
db.Entry(customer).State = EntityState.Modified;
db.SaveChanges();
}
return(RedirectToAction("Index"));
}
catch
{
return(View());
}
}
