private void button2_Click(object sender, EventArgs e) { if (Client) { try { Client newClient = new Client(UName.Text, System.Convert.ToInt32(Room_Number.Text), System.Convert.ToInt32(Course.Text), PhoneNumber.Text, System.Convert.ToInt32(Age.Text), Email.Text, UPassword.Text, Dormitory.Text); ClientRepository repository = new ClientRepository(); if (repository.Add(newClient)) { MessageBox.Show("Registering proccess was succesful"); } else { MessageBox.Show("We could't register"); } Form1 Log_in = new Form1(StrTextBox, Client); Log_in.Show(); Close(); } catch { MessageBox.Show("Please fill up the form correctly"); } } else { try { Seller newSeller = new Seller(UName.Text, UPassword.Text, System.Convert.ToInt32(Room_Number.Text), System.Convert.ToInt32(Course.Text), PhoneNumber.Text, System.Convert.ToInt32(Age.Text), Email.Text, Dormitory.Text); SellerRepository repository = new SellerRepository(); if (repository.Add(newSeller)) { MessageBox.Show("Registering proccess was succesful"); } else { MessageBox.Show("We could't register"); } Form1 Log_in = new Form1(StrTextBox, Client); Log_in.Show(); Close(); } catch { MessageBox.Show("Please fill up the form correctly"); } } }