private void btn_student_Click(object sender, EventArgs e)
{
StudentDetails d = new StudentDetails();
d.Show();
this.Hide();
}
private void btn_submit_Click(object sender, EventArgs e)
{
Regex reg = new Regex(@"\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*");
if (txt_fname.Text != "" && txt_lname.Text != "" && txt_contact.Text != "" && txt_email.Text != "" && txt_registration.Text != "" && cmb_status.Text != "" && reg.IsMatch(txt_email.Text) && txt_contact.Text.All(c => char.IsDigit(c)))
{
SqlConnection conn = new SqlConnection("Data Source=DESKTOP-M9PBVHQ;Initial Catalog=ProjectB;Integrated Security=True");
int LookupId = 5;
if (cmb_status.Text == "Active")
{
LookupId = 5;
}
else
{
LookupId = 6;
}
if (update == 1)
{
conn.Open();
string query2 = "Update Student set FirstName = '" + txt_fname.Text + " ', LastName = '" + txt_lname.Text + "' , Contact = '" + txt_contact.Text + "', Email = '" + txt_email.Text + "' , RegistrationNumber= '" + txt_registration.Text + " ', Status = '" + LookupId + "' where Id = '" + this.id + "'";
SqlCommand update_command = new SqlCommand(query2, conn);
int j = update_command.ExecuteNonQuery();
if (j != 0)
{
MessageBox.Show("Student Record Updated Successfully");
Student ff = new Student();
ff.Close();
StudentDetails ss = new StudentDetails();
ss.Show();
this.Hide();
}
conn.Close();
}
else
{
conn.Open();
string query = "Insert into Student (FirstName, LastName, Contact, Email, RegistrationNumber, Status) values('" + txt_fname.Text + "', '" + txt_lname.Text + "', '" + txt_contact.Text + "', '" + txt_email.Text + "', '" + txt_registration.Text + "', '" + LookupId + "')";
SqlCommand command = new SqlCommand(query, conn);
int i = command.ExecuteNonQuery();
if (i != 0)
{
MessageBox.Show("Student Record Inserted Successfully");
Student f = new Student();
f.Close();
StudentDetails s = new StudentDetails();
this.Hide();
s.Show();
}
conn.Close();
}
}
else
{
if (!txt_contact.Text.All(c => char.IsDigit(c) && txt_contact.Text != ""))
{
error_msg.Text = "Contact Number Must Be Digits";
}
else if (!reg.IsMatch(txt_email.Text) && txt_email.Text != "")
{
error_msg.Text = "Email is not in correct format";
}
else
{
error_msg.Text = "Please Fill In All The Required Fields";
}
error_msg.Show();
}
}
