protected void LoginButton_Click(object sender, EventArgs e)
{
/*
* when the button login clicked run this code
*
*/
if (lg_username.Text == "" || lg_password.Text == "")
{
/*
* if the username or password are empty then show error message
*/
errormsg.Text = "Please Complete your account information";
meassgaePanel.Visible = true;
}
else if (!instructorAccount.Checked && !studentAccount.Checked)
{
/*
* if non of the account type radio buttons checked then show error message
*/
errormsg.Text = "Please Choose your account type";
meassgaePanel.Visible = true;
}
else if (instructorAccount.Checked && lg_username.Text != "" && lg_password.Text != "")
{
/*
* if the user checked the instructor and the username and password aren't empty then check for information and do the login
*/
meassgaePanel.Visible = false; // hide the message panel
instructors.Filter("InstructorID", lg_username.Text.ToString()); // filter the instructors list with the id the user filed
if (instructors.List.Count == 1) // if the id is correct the instructors list count should be 1
{
Instructor instructor = (Instructor)instructors.List.ElementAt(0); // get the instructor object from the list
instructors.Populate(instructor); // populate the instructor
if (instructor.Password == lg_password.Text.ToString()) // if the password user filled is the same as the instructor object
{
Session["User"] = instructor.getID(); // create new session called User with the value of the id of the instructor
Session["Account"] = "Instructor"; // create new Session called Account with instructor as value this to make sure that the user dosen't visit pages not allwoed for him/her to visit
Response.Redirect("~/instructor/MainPage.aspx"); // redirect to main page of the instructor
}
else
{
/*
* else show error message "password Wrong"
*/
errormsg.Text = "Wrong password, Please check your password and try again";
meassgaePanel.Visible = true;
}
}
else
{
/*
* else show error message "User not found"
*/
errormsg.Text = "User Not Found, Please check your userId and account type and try again ";
meassgaePanel.Visible = true;
}
}
else if (studentAccount.Checked && lg_username.Text != "" && lg_password.Text != "")
{
/*
* if the user checked the student and the username and password aren't empty then check for information and do the login
*/
meassgaePanel.Visible = false; // hide the message panel
students.Filter("StudentID", lg_username.Text); // filter the students list with the id the user filed
if (students.List.Count == 1) // if the id is correct the students list count should be 1
{
Student student = (Student)students.List.ElementAt(0); // get the student object from the list
students.Populate(student); // populate the student
if (student.Password == lg_password.Text) // if the password user filled is the same as the student object
{
Session["User"] = student.getID(); // create new session called User with the value of the id of the student
Session["Account"] = "Student"; // create new Session called Account with student as value this to make sure that the user dosen't visit pages not allwoed for him/her to visit
Response.Redirect("~/student/MainPage.aspx"); // Redirect to student's main page
}
else
{
/*
* else show error message "password Wrong"
*/
errormsg.Text = "Wrong password, Please check your password and try again";
meassgaePanel.Visible = true;
}
}
else
{
/*
* else show error message "User not found"
*/
errormsg.Text = "User Not Found, Please check your userId and account type and try again ";
meassgaePanel.Visible = true;
}
}
}