private void loginButton_Click(object sender, EventArgs e) { passwordDAO pD = new passwordDAO(); string name = userNameBox.Text; string pass = passwordBox.Text; if (name == "admin" && pass == pD.getPassword().Tables[0].Rows[0]["password"].ToString() || workingMode) { mainForm frm = new mainForm(); frm.Show(); this.Hide(); } else { MessageBox.Show("Enter correct username and password !"); } }