protected void AddAssignment(object sender, EventArgs e)
{
DataHandler db = new DataHandler();
using (db.Connect())
{
int result;
int finalized;
db.Command("CheckTagSystem", true);
db.Add("@course_id", SessionManager.Course.ID);
db.AddIntReturn();
db.Start();
db.ExecNonQuery();
result = db.ReturnValue();
db.Command("CheckFinalized", true);
db.Add("@course_id", SessionManager.Course.ID);
db.AddIntReturn();
db.ExecNonQuery();
finalized = db.ReturnValue();
if (result != 1)
{
lblError.Text = "Grading System unbalanced. Could cause inaccurate reporting. Ensure total weights add up to 100%";
lblError.Visible = true;
}
else
if(finalized != 1)
{
lblError.Text = "Roster has not been finalized yet";
lblError.Visible = true;
}
else
{
lblError.Visible = false;
db.Command("CreateNewAssignment", true);
db.Add("@course_id", SessionManager.Course.ID);
db.Add("@assignment_name", txtAssgnName.Text);
db.Add("@tag_id", drpTypeList.SelectedValue);
db.Add("@instructor_id", SessionManager.Instructor.ID);
db.ExecNonQuery();
db.Stop();
Response.Redirect(Request.RawUrl);
}
}
}
protected void CreateNewUser(object sender, EventArgs e)
{
DataHandler db = new DataHandler();
using (db.Connect())
{
db.Command("UserExists", true);
db.Add("@username", UserName.Text);
db.AddIntReturn();
db.Start();
db.ExecNonQuery();
db.Stop();
int result;
result = db.ReturnValue();
if (result == 0)
{
db.Start();
db.Command("INSERT INTO Instructor (f_name, l_name, login, password) VALUES (@fname, @lname, @login, @pass)", false);
db.Add("@fname", FirstName.Text);
db.Add("@lname", LastName.Text);
db.Add("@login", UserName.Text);
db.Add("@pass", Password.Text);
db.ExecNonQuery();
db.Stop();
lblComplete.Text = "Registration is complete.";
lblComplete.Visible = true;
}
else
{
lblComplete.Text = "This user already exists.";
lblComplete.Visible = true;
}
}
}
protected void FinalizeRoster(object sender, EventArgs e)
{
DataHandler db = new DataHandler();
using (db.Connect())
{
db.Command("FinalizeRoster", true);
db.Add("@course_id", SessionManager.Course.ID);
db.Start();
db.ExecNonQuery();
db.Stop();
Response.Redirect(Request.RawUrl);
}
}
protected void LoginBox_Authenticate(object sender, AuthenticateEventArgs e)
{
DataHandler db = new DataHandler();
Instructor instructor = new Instructor();
e.Authenticated = false;
using (db.Connect())
{
int result;
db.Command("Login", true);
db.Add("@username", LoginBox.UserName);
db.Add("@password", LoginBox.Password);
db.AddIntReturn();
db.Start();
db.ExecNonQuery();
result = db.ReturnValue();
if (result > 0)
{
db.Command("CollectSessionInfoInstructor", true);
db.Add("@username", LoginBox.UserName);
SqlDataReader reader = db.Exec();
reader.Read(); //read the record, advance the cursor, etc.
e.Authenticated = true;
FormsAuthentication.RedirectFromLoginPage(LoginBox.UserName, true);
instructor.UserName = LoginBox.UserName;
instructor.ID = reader.GetInt32(0); //Encapsulate my Session information for later use
instructor.FirstName = reader.GetString(1);
instructor.LastName = reader.GetString(2);
SessionManager.Instructor = instructor;
}
else
{
e.Authenticated = false;
}
db.Stop();
}
}
protected void AddType(object sender, EventArgs e)
{
DataHandler db = new DataHandler();
int weight = int.Parse(txtTagWeight.Text);
using (db.Connect())
{
db.Command("INSERT INTO Tag (tag_type, tag_weight, course_id) VALUES (@tag_type, CONVERT(DECIMAL(16,2), @tag_weight/100.0), @course_id)", false);
db.Add("@tag_type", txtTagName.Text);
db.Add("@tag_weight", weight);
db.Add("@course_id", SessionManager.Course.ID);
db.Start();
db.ExecNonQuery();
db.Stop();
}
Response.Redirect(Request.RawUrl);
}
protected void AddStudent(object sender, EventArgs e)
{
DataHandler db = new DataHandler();
using (db.Connect())
{
db.Command("AddNewStudent", true);
db.Add("@f_name", txtFirstName.Text);
db.Add("@l_name", txtLastName.Text);
db.Add("@instructor_id", SessionManager.Instructor.ID);
db.Add("@course_id", SessionManager.Course.ID);
db.Start();
db.ExecNonQuery();
db.Stop();
}
Response.Redirect(Request.RawUrl);
}
protected void AddCourse(object sender, EventArgs e)
{
DataHandler db = new DataHandler();
using (db.Connect())
{
db.Command("INSERT INTO Course (course_name, start_date, end_date, instructor_id) VALUES (@c_name, @start_date, @end_date, @id)", false);
db.Add("@c_name", txtCourseEntry.Text);
db.Add("@start_date", txtStartDate.Text);
db.Add("@end_date", txtEndDate.Text);
db.Add("@id", SessionManager.Instructor.ID);
db.Start();
db.ExecNonQuery();
db.Stop();
}
Response.Redirect(Request.RawUrl);
}
protected void Page_Load(object sender, EventArgs e)
{
if (System.Web.HttpContext.Current.User.Identity.IsAuthenticated)
{
if (!IsPostBack)
{
lblCourseName.Text = SessionManager.Course.Name;
DataHandler db = new DataHandler();
using (db.Connect())
{
int finalized;
db.Command("ListStudentsForCourse", true);
db.Add("@course_id", SessionManager.Course.ID);
db.Start();
rptStudents.DataSource = db.Exec();
rptStudents.DataBind();
db.Stop(); //Close the already used datareader
db.Command("CheckFinalized", true);
db.Add("@course_id", SessionManager.Course.ID);
db.AddIntReturn();
db.Start();
db.ExecNonQuery();
finalized = db.ReturnValue();
if (finalized != 0)
{
lnkAdd.Visible = false;
lblFinalized.Visible = true;
lnkFinalize.Visible = false;
}
db.Stop();
}
}
}
}
