public bool AddTeacher(Teacher teacher)
{
entities.Teachers.AddObject(teacher);
if (entities.SaveChanges() > 0)
return true;
return false;
}
public bool AddUser(User user,Student student,Teacher teacher)
{
if(student!=null)
entities.Students.AddObject(student);
if(teacher !=null)
entities.Teachers.AddObject(teacher);
entities.Users.AddObject(user);
if (entities.SaveChanges() > 0)
return true;
return false;
}
private void btnLogin_Click(object sender, RoutedEventArgs e)
{
UserBLL bll = new UserBLL();
try
{
User itemUser = new User();
Student itemStudent = null;
Teacher itemTeacher = null;
if (radStudent.IsChecked.Value)
{
itemStudent = new Student();
itemStudent.SClassID = Convert.ToInt32(this.cboData.SelectedValue);
itemUser.UserRole = (int)ClassRoom.Enum.UserRoleTypeEnum.Student;
itemUser.Student = itemStudent;
}
if (radTeacher.IsChecked.Value)
{
itemTeacher = new Teacher();
itemTeacher.CourseID = Convert.ToInt32(this.cboData.SelectedValue);
itemUser.UserRole = (int)ClassRoom.Enum.UserRoleTypeEnum.Teacher;
itemUser.Teacher = itemTeacher;
//TeacherBLL.AddTeacher(itemTeacher);
}
itemUser.Sex = this.radioButton1.IsChecked;
itemUser.Realname = this.tbRealName.Text;
itemUser.Email = this.tbEmail.Text;
itemUser.Password = this.tbPassword.Text;
bool result = bll.AddUser(itemUser, itemStudent, itemTeacher);
if (result)
{
MessageBox.Show("保存成功！");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.InnerException.ToString());
}
}
/// <summary>
/// 用于向 Teachers EntitySet 添加新对象的方法，已弃用。请考虑改用关联的 ObjectSet<T> 属性的 .Add 方法。
/// </summary>
public void AddToTeachers(Teacher teacher)
{
base.AddObject("Teachers", teacher);
}
/// <summary>
/// 创建新的 Teacher 对象。
/// </summary>
/// <param name="teacherID">TeacherID 属性的初始值。</param>
/// <param name="courseID">CourseID 属性的初始值。</param>
public static Teacher CreateTeacher(global::System.Int32 teacherID, global::System.Int32 courseID)
{
Teacher teacher = new Teacher();
teacher.TeacherID = teacherID;
teacher.CourseID = courseID;
return teacher;
}