static void Main(string[] args)
{
Console.WriteLine("Welcome to Student Management System");
mainprogram:
Console.Clear();
Console.WriteLine("Select from the given options :");
Console.WriteLine("1.Teacher Registration 2.Teacher login 3.Student login");
int c = Convert.ToInt32(Console.ReadLine());
try
{
switch (c)
{
case 1:
try
{
Console.WriteLine("Enter your Name");
string p_name = Console.ReadLine();
Console.WriteLine("Enter your Password");
string p_pass = TurnToStars();
if (p_pass.Length < 8)
{
throw new PassLengthNotValidException("Password should be more than 8 character");
}
Console.WriteLine("Enter your City");
string p_city = Console.ReadLine();
Console.WriteLine("Enter your Email");
string p_email = Console.ReadLine();
Console.WriteLine("Enter your Contact Number");
string p_contact = Console.ReadLine();
teacher t1 = new teacher(p_name, p_pass, p_city, p_email, p_contact);
t1.selfregistration();
}
catch (PassLengthNotValidException e)
{
Console.WriteLine(e.Message);
}
break;
case 2:
Console.WriteLine("enter user Id and Password to login");
int id = int.Parse(Console.ReadLine());
Console.WriteLine("enter password");
string pass = TurnToStars();
teacher t = new teacher();
int j = t.login(id, pass);
if (j == 3)
{
Console.WriteLine("Logged in successfully!");
Console.WriteLine("Enter :");
Console.WriteLine("1.To Register new student 2.Update the existing Student 3.Update Your Details 4.Delete Student 5.Delete your ID");
int x = int.Parse(Console.ReadLine());
if (x == 1)
{
t.registration();
}
else if (x == 2)
{
Console.WriteLine("Enter student ID to edit details");
int stid = int.Parse(Console.ReadLine());
t.UpdateStudent(stid);
}
else if (x == 3)
{
t.Update_teacher(id);
}
else if (x == 4)
{
Console.WriteLine("Enter Student ID to delete: ");
int did = int.Parse(Console.ReadLine());
t.DeleteStudent(did);
}
else
{
t.DeleteTeacher(id);
}
}
else
{
Console.WriteLine("Failed");
}
break;
case 3:
Console.WriteLine("enter user Id and Password to login");
int sid = int.Parse(Console.ReadLine());
Console.WriteLine("enter password");
string spass = TurnToStars();
student o = new student();
int i = o.login(sid, spass);
if (i == 1)
{
Console.WriteLine("Logged in successfully!");
}
else
{
Console.WriteLine("Incorrect ID/Password!");
}
break;
}
}
catch (SqlException e)
{
Console.WriteLine(e.Message);
}
Console.WriteLine("Press Y to continue or any other key to exit");
char inp = char.Parse(Console.ReadLine());
if (inp == 'Y' || inp == 'y')
{
goto mainprogram;
}
}
// partial void selfregistration();
public void registration()
{
Console.WriteLine("Enter Student Name");
string p_name = Console.ReadLine();
try
{
Console.WriteLine("Enter Student Password");
string p_pass = Console.ReadLine();
if (p_pass.Length < 8)
{
throw new PassLengthNotValidException("Password should be more than 8 character");
}
Console.WriteLine("Enter Student City");
string p_city = Console.ReadLine();
Console.WriteLine("Enter Student Email");
string p_email = Console.ReadLine();
Console.WriteLine("Enter Student Contact Number");
string p_contact = Console.ReadLine();
SqlCommand cmd1 = new SqlCommand("insert into student(p_name,p_pass,p_city,p_email,p_contact)values(@p_name,@p_pass,@p_city,@p_email,@p_contact)", con);
cmd1.Parameters.AddWithValue("@p_name", p_name);
cmd1.Parameters.AddWithValue("@p_pass", p_pass);
cmd1.Parameters.AddWithValue("@p_city", p_city);
cmd1.Parameters.AddWithValue("@p_email", p_email);
cmd1.Parameters.AddWithValue("@p_contact", p_contact);
con.Open();
Console.WriteLine("***");
int i = cmd1.ExecuteNonQuery();
Console.WriteLine("Student Registered Successfully!");
Console.WriteLine("New ID for registered user : "******"SELECT MAX(s_enroll) FROM Student", con);
SqlDataReader dr1 = command.ExecuteReader();
using (dr1)
{
while (dr1.Read())
{
Console.WriteLine("ID : " + dr1[0].ToString());
}
}
Console.WriteLine("Press 1 to login or any other key to exit.");
int input = Convert.ToInt32(Console.ReadLine());
if (input == 1)
{
Console.WriteLine("enter user Id and Password to login");
int id = int.Parse(Console.ReadLine());
Console.WriteLine("enter password");
string pass = Console.ReadLine();
teacher t = new teacher();
int j = t.login(id, pass);
if (j == 3)
{
Console.WriteLine("Successfull Logged In");
t.selfregistration();
}
else
{
Console.WriteLine("Failed");
}
}
}
catch (PassLengthNotValidException e)
{
Console.WriteLine(e.Message);
}
catch (SqlException e)
{
Console.WriteLine(e.Message);
}
finally
{
con.Close();
}
}