public void fillGrid3()
{
using (var context = new GradebookDataEntities())
{
var l2equery = from s in context.Students where s.Email.Contains(searchStudentsTextBox.Text) select s;
var s1 = l2equery.ToList();
studentGridView.DataSource = s1;
studentGridView.DataBind();
}
}
public void fillCourseGridView()
{
using (var context = new GradebookDataEntities())
{
var l2equery = from s in context.Students where s.Email.Contains(searchStudentsTextBox.Text) select s.Courses;
var courses = l2equery.FirstOrDefault();
courseGridView.DataSource = courses;
courseGridView.DataBind();
}
}
public void fillDefault()
{
using (var context = new GradebookDataEntities())
{
var l2equery = from c in context.Courses select c;
var courses = l2equery.ToList();
courseGridView.DataSource = courses;
courseGridView.DataBind();
}
}
protected void initializeStudent()
{
studentCourseDropDown.Items.Clear();
studentCourseDropDown.Items.Add(new ListItem("--Select--", null));
using(var context = new GradebookDataEntities())
{
var query = from c in context.Courses select new { c.CourseID, c.CourseNumber, c.Term, c.Year };
foreach(var course in query)
{
string courseFormat = String.Format("{0,-10}\t{1,-10}\t{2, 10}", course.CourseID, course.CourseNumber, course.Term, course.Year);
studentCourseDropDown.Items.Add(new ListItem(courseFormat,courseFormat));
}
}
}
protected void checkRole()
{
using (var context = new GradebookDataEntities())
{
var l2equery = (from s in context.Students where s.Email == email select s).FirstOrDefault();
if (l2equery != null)
{
studentPanel.Visible = true;
teacherPanel.Visible = false;
studentCourseGridViewFill();
}
else
{
teacherPanel.Visible = true;
studentPanel.Visible = false;
teacherCourseGridViewFill();
}
}
}
protected void AddStudentButton_Click(object sender, EventArgs e)
{
if (AddStudentTextBox.Text != "")
{
using (var context = new GradebookDataEntities())
{
Course course = context.Courses.FirstOrDefault(c => c.CourseNumber == CourseNumberDropDownList.SelectedValue);
Student student = context.Students.FirstOrDefault(s => s.Email == AddStudentTextBox.Text);
course.Students.Add(student);
context.SaveChanges();
var l2equery = from s in context.Students where s.Email.Contains(searchStudentsTextBox.Text) select s.Courses;
var courses = l2equery.FirstOrDefault();
courseGridView.DataSource = courses;
courseGridView.DataBind();
}
}
else
{
string email = studentGridView.Rows[studentGridView.SelectedIndex].Cells[0].Text.ToString(); ;
using (var context = new GradebookDataEntities())
{
Course course = context.Courses.FirstOrDefault(c => c.CourseNumber == CourseNumberDropDownList.SelectedValue);
Student student = context.Students.FirstOrDefault(s => s.Email == email);
course.Students.Add(student);
context.SaveChanges();
var l2equery = from s in context.Students where s.Email.Contains(searchStudentsTextBox.Text) select s.Courses;
var courses = l2equery.FirstOrDefault();
courseGridView.DataSource = courses;
courseGridView.DataBind();
}
}
}
protected bool checkIfStudent()
{
string studentEmail;
using (var context = new GradebookDataEntities())
{
var query = (from c in context.Courses from s in c.Students where c.CourseID == courseID && s.Email == User.Identity.Name select s.Email);
studentEmail = query.FirstOrDefault();
}
if(studentEmail == null)
return false;
return true;
}
protected void loadTeacherCourseStudentGrid()
{
using (var context = new GradebookDataEntities())
{
var query = (from c in context.Courses where c.CourseID == courseID select c.Students).FirstOrDefault();
teacherCourseStudentGrid.DataSource = query;
teacherCourseStudentGrid.DataBind();
}
}
protected void loadTeacherCourseGradeGrid()
{
using (var context = new GradebookDataEntities())
{
var l2equery = from c in context.Courses where c.CourseID == courseID select c.GradeDistributions;
var gradeDistribution = l2equery.FirstOrDefault();
teacherCourseGradeGrid.DataSource = gradeDistribution;
teacherCourseGradeGrid.DataBind();
}
}
protected void loadTeacherCourseAssignmentGrid()
{
using (var context = new GradebookDataEntities())
{
var query = (from c in context.Courses from grade in c.GradeDistributions from assignment in grade.Assignments where c.CourseID == courseID select new { assignment.Description, assignment.PointsPossible }).ToList();
teacherCourseAssignmentGrid.DataSource = query;
teacherCourseAssignmentGrid.DataBind();
}
teacherCourseAssignmentGrid.GridLines = GridLines.None;
}
protected void getClassName()
{
string cName;
using (var context = new GradebookDataEntities())
{
var query = (from c in context.Courses where c.CourseID == courseID select c).FirstOrDefault();
cName = query.CourseNumber.ToString();
ClassLabel.Text = cName;
}
}
protected bool checkIfTeacher()
{
string teacherEmail;
using (var context = new GradebookDataEntities())
{
var query = (from c in context.Courses where c.CourseID == courseID select c.Teacher).FirstOrDefault();
teacherEmail = query.Email;
}
if (teacherEmail == User.Identity.Name)
return true;
else
return false;
}
protected void registerCourseButton_Click(object sender, EventArgs e)
{
using (var context = new GradebookDataEntities())
{
var query = (from t in context.Teachers where t.Email == email select t.TeacherID).FirstOrDefault();
int teacher = Convert.ToInt32(query);
string cNumber = CourseNumber.Text;
string term = termDropDownList.SelectedValue;
int year = Convert.ToInt32(yearDropDownList.SelectedValue);
var result = context.AddClass(cNumber,term,year,CourseDescription.Text,query);
}
teacherCourseGridViewFill();
}
protected void TermDropDownList_SelectedIndexChanged(object sender, EventArgs e)
{
using (var context = new GradebookDataEntities())
{
var l2equery = from c in context.Courses where c.Year >= DateTime.Now.Year && c.Term == TermDropDownList.SelectedValue select c;
var courses = l2equery.ToList();
CourseNumberDropDownList.DataSource = courses;
CourseNumberDropDownList.DataBind();
}
}
protected void studentGridView_SelectedIndexChanged(Object sender, EventArgs e)
{
string email = studentGridView.Rows[studentGridView.SelectedIndex].Cells[0].Text.ToString(); ;
using (var context = new GradebookDataEntities())
{
var l2equery = from s in context.Students where s.Email.Contains(email) select s.Courses;
var courses = l2equery.FirstOrDefault();
courseGridView.DataSource = courses;
courseGridView.DataBind();
}
searchStudentsTextBox.Text = email;
}
protected void teacherCourseGridViewFill()
{
using (var context = new GradebookDataEntities())
{
var l2equery = from t in context.Teachers where t.Email == email select t.Courses;
var teacherCourses = l2equery.FirstOrDefault();
teacherCourseGridView.DataSource = teacherCourses;
teacherCourseGridView.DataBind();
}
}
protected void studentCourseGridViewFill()
{
using (var context = new GradebookDataEntities())
{
var l2equery = from s in context.Students where s.Email == email select s.Courses;
var courses = l2equery.FirstOrDefault();
studentCourseGridView.DataSource = courses;
studentCourseGridView.DataBind();
}
}
protected void registerStudentCourseButton_Click(object sender, EventArgs e)
{
if(courseID != 0)
using(var context = new GradebookDataEntities())
{
Course course = context.Courses.FirstOrDefault(c => c.CourseID == courseID);
Student student = context.Students.FirstOrDefault(s => s.Email == email);
course.Students.Add(student);
context.SaveChanges();
}
studentCourseGridViewFill();
}
