private void button5_Click(object sender, EventArgs e) { this.Hide(); menu mn = new menu(); mn.Show(); }
private void button1_Click(object sender, EventArgs e) { menu mene = new menu(); mene.Show(); Hide(); }
private void button1_Click(object sender, EventArgs e) { int a = 0; MySqlConnection objcon = new MySqlConnection("server=localhost;port=3306;User Id=root;database=db_login;password=root"); objcon.Open(); MySqlCommand objcmd = objcon.CreateCommand(); objcmd.CommandType = CommandType.Text; objcmd.CommandText = "select * from tb_login where usuario='" + txt1.Text + "'and senha='" + password_txt.Text + "'"; objcmd.ExecuteNonQuery(); DataTable dt = new DataTable(); MySqlDataAdapter da = new MySqlDataAdapter(objcmd); da.Fill(dt); a = Convert.ToInt32(dt.Rows.Count.ToString()); if (a == 0) { MessageBox.Show("Erro, usuario ou senha incorreto"); } else { this.Hide(); menu prin = new menu(); prin.Show(); objcon.Close(); } }
private void button2_Click(object sender, EventArgs e) { Close(); menu me = new menu(); me.Show(); }
private void button1_Click(object sender, EventArgs e) { if (textBox1.Text == "1" && textBox2.Text == "1") { menu auth = new menu(); auth.Show(); this.Hide(); } else { textBox1.Text = ""; textBox2.Text = ""; MessageBox.Show("Вы ввели неверный логин или пароль. Проверьте его и попробуйте ввести ещё раз.", "Ошибка авторизации"); } }
private void Button1_Click(object sender, EventArgs e) { string pas1 = ""; string pas2 = ""; if (textBox1.Text == pas1 && textBox2.Text == pas2) { this.Hide(); menu f1 = new menu(); f1.ShowDialog(); } else { MessageBox.Show("введен неправильный пароль или логин"); } textBox1.Clear(); textBox2.Clear(); }