private void button4_Click(object sender, EventArgs e) { string login = textBox1.Text; string password = textBox2.Text; correctInput = new CorrectInputCheck(); bd = new BD(); seccess = new SeccessList(); if (correctInput.CheckLogPas(login, password)) { if (correctInput.CorrectInputLogin(login)) { if (correctInput.LoginExist(login)) { bd.WorkWithBD(String.Format("INSERT INTO Accounts VALUES('{0}','{1}','{2}',{3})", login, password, "Guest", correctInput.BucketIdGen())); seccess.SeccessMessage(2); } } } }