protected void teacherGrid_RowDelete(object sender, GridViewDeleteEventArgs e)
{
Session["returnToPage"] = "4";
Label idl = teacherGrid.Rows[e.RowIndex].FindControl("lbl_ID") as Label;
var id = idl.Text;
var user = wpe.tableUsers.FirstOrDefault(u => u.ID.Equals(id));
wpe.tableUsers.Remove(user);
wpe.SaveChanges();
teacherGrid.EditIndex = -1;
FillDataTeacher();
}
protected void Register_Click(object sender, EventArgs e)
{
if (!isValidEmail(inputEmail.Text))
{
ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('Invalid Email Address!')", true);
}
// invalid email
else
{
String t;
if (radio_student.Checked)
{
t = "student";
}
else
{
t = "teacher";
}
using (var db = new webProjectEntities())
{
var newUser = new tableUsers()
{
ID = inputid.Text,
Email = inputEmail.Text,
Password = inputPassword.Text,
Fullname = inputFullname.Text,
Algebra = "",
Algorithms = "",
Datamining = "",
WebDev = "",
Calculus = "",
OperatinsSystems = "",
type = t
};
try
{
db.tableUsers.Add(newUser);
db.SaveChanges();
RegisteredSuccess.Visible = true;
RequiredFieldValidator.Visible = false;
RequiredFieldValidator1.Visible = false;
RequiredFieldValidator2.Visible = false;
gotoLogin.Visible = true;
backToLogin.Visible = false;
}
catch (Exception ex)
{
ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('ID already exists')", true);
}
}
}
}
protected void addNewStudent(object sender, EventArgs e)
{
Session["returnToPage"] = "6";
toStudentTbl.Visible = false;
if (newStudentEmail.Text.Length == 0 || newStudentID.Text.Length == 0 || newStudentPassword.Text.Length == 0) // mandatory fields are empty
{
addStudent_lbl.Visible = true;
}
else // form is filled OK
{
if (!isValidEmail(newStudentEmail.Text))
{
addStudent_lbl.Visible = false;
toStudentTbl.Visible = false;
ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('Invalid Email Address!')", true);
}
else
{
using (var db = new webProjectEntities())
{
var newUser = new tableUsers()
{
ID = newStudentID.Text,
Email = newStudentEmail.Text,
Password = newStudentPassword.Text,
Fullname = newStudentFullname.Text.Length == 0 ? "" : newStudentFullname.Text,
Algebra = "",
Algorithms = "",
Datamining = "",
WebDev = "",
Calculus = "",
OperatinsSystems = "",
type = "student"
};
newStudentEmail.Text = "";
newStudentID.Text = "";
newStudentPassword.Text = "";
newStudentFullname.Text = "";
try
{
db.tableUsers.Add(newUser);
db.SaveChanges();
}
catch (Exception ex)
{
ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('ID already exists')", true);
addStudent_lbl.Visible = false;
toStudentTbl.Visible = false;
return;
}
}
addStudent_lbl.ForeColor = System.Drawing.Color.Green;
addStudent_lbl.Text = "New Student Added Successfully";
addStudent_lbl.Visible = true;
toStudentTbl.Attributes.Add("style", "margin-left: 25px;");
toStudentTbl.Visible = true;
}
}
}
