private User Login(string userName, string pwd)
{
pwd = GetMd5(pwd);
var user = efRepository.LoadEntitiy(s => s.UserName == userName && s.Password == pwd && s.IsDelete == false);
return(user);
}
public ExamStudent GetStudentInfo(string IdCard)
{
var result = efRepository.LoadEntitiy(s => DbFunctions.DiffDays(s.CreateTime, DateTime.Now) == 0);
return(result);
}