protected void btn_addCourse_Click(object sender, EventArgs e)
        {
            var    grade = new Grades();
            string param = Request.QueryString["studentID"];

            if (ddl_studCourse.SelectedValue != "0")
            {
                var studID = int.Parse(param);
                grade.Grade     = ddl_studGrade.SelectedValue;
                grade.Completed = chkbox_completed.Checked;
                grade.CourseID  = int.Parse(ddl_studCourse.SelectedValue);
                grade.StudentID = studID;

                var student = sc.StudentsByID(studID);
                var myBool  = student.Grades.FirstOrDefault(x => x.CourseID == grade.CourseID && x.StudentID == grade.StudentID) != null;
                if (myBool)
                {
                    var gc = new GradesControl();
                    gc.UpdateGrade(grade);
                }
                else
                {
                    student.Grades.Add(grade);
                    sc.UpdateStudent(student);
                }
            }

            Response.Redirect($"Course?StudentID={param}");
        }
Exemple #2
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        protected void btn_save_Click(object sender, EventArgs e)
        {
            var studentToUpdate = sc.StudentsByID(int.Parse(hf_id.Value));

            studentToUpdate.People.FirstName = txtbox_firstname.Text;
            studentToUpdate.People.LastName  = txtbox_lastname.Text;
            studentToUpdate.People.Address   = txtbox_adress.Text;
            studentToUpdate.People.Email     = txtbox_email.Text;

            studentToUpdate.StudentClass_Id = int.Parse(ddl_class.SelectedValue);
            studentToUpdate.EducationId     = int.Parse(ddl_education.SelectedValue);


            sc.UpdateStudent(studentToUpdate);

            lbl_msg.Text = $"Updated Student {studentToUpdate.People.FirstName} {studentToUpdate.People.LastName}";
            ClearTxtBoxes();
            Response.Redirect("Default.aspx");
        }