/// <summary>
/// 添加新班级
/// </summary>
///<returns>成功返回true</returns>
public static bool AddClass(Classes model)
{
try
{
using (var db = new SEMSDBContext())
{
/*var classes = new Classes()
{
class_grade = model.class_grade,
class_id = model.class_id,
class_small_id = model.class_small_id
};*/
db.Classes.Add(model);
db.SaveChanges();
}
return true;
}
catch (DbEntityValidationException e)
{
Debug.WriteLine(e.Message);
return false;
}
catch
{
return false;
}
}
public ActionResult Edit(string id, string smallid, string grade)
{
ViewBag.ID = id;
ViewBag.SmallID = smallid;
Classes model = new Classes()
{
class_id = id,
class_small_id = smallid,
class_grade = grade
};
return View(model);
}
public ActionResult Edit(string id,string smallid,Classes ChangeModel)
{
if (BLL.ClassesBS.ModifyClass(id,smallid,ChangeModel))
{
return RedirectToAction("Index", "Classes");
}
else
ModelState.AddModelError("", "修改失败!");
//修改失败
return View(ChangeModel);
//return new EmptyResult();
}
/// <summary>
/// 修改班级信息
/// </summary>
///<returns>成功返回true</returns>
public static bool ModifyClass(string main_id, string small_id, Classes newModel)
{
try
{
using (var db = new SEMSDBContext())
{
Classes toChange = db.Classes.Find(main_id, small_id);
toChange.class_grade = newModel.class_grade;
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
