public void changeStd(Student updtStd)
{
var student = dbContext.Student.Single(s => s.IndexNumber.Equals(updtStd.IndexNumber));
if (updtStd.FirstName != null && updtStd.LastName != null && updtStd.IdEnrollment != 0 &&
updtStd.BirthDate != null)
{
student.FirstName = updtStd.FirstName;
student.LastName = updtStd.LastName;
student.IdEnrollment = updtStd.IdEnrollment;
student.BirthDate = updtStd.BirthDate;
}
dbContext.SaveChanges();
}
/// <summary>
/// 添加
/// </summary>
/// <param name="t"></param>
/// <returns></returns>
public virtual bool AddEntity(T t)
{
entity.Entry <T>(t).State = System.Data.Entity.EntityState.Added;
return(entity.SaveChanges() > 0);
}
