private void button1_Click(object sender, EventArgs e) { FormUser fu = new FormUser(); fu.Show(); this.Close(); }
private void buttonEnter_Click(object sender, EventArgs e) { DBConnector.mySqlCommand.CommandText = $@"SELECT * FROM `administrators` WHERE `login` = '{textBoxLogin.Text}' AND `password` = '{ textBoxPassword.Text}'"; MySqlDataReader reader = DBConnector.mySqlCommand.ExecuteReader(); if (reader.HasRows) { reader.Close(); Form form = new FormAdministrator(); this.Visible = false; form.ShowDialog(); this.Visible = true; textBoxLogin.Clear(); textBoxPassword.Clear(); } else { reader.Close(); DBConnector.mySqlCommand.CommandText = $@"SELECT * FROM `users` WHERE `login` = '{textBoxLogin.Text}' AND `password` = '{ textBoxPassword.Text}'"; reader = DBConnector.mySqlCommand.ExecuteReader(); if (reader.HasRows) { GlobalVariables.activeUserLogin = textBoxLogin.Text; GlobalVariables.activeUserPassword = textBoxPassword.Text; reader.Close(); Form form = new FormUser(); this.Visible = false; form.ShowDialog(); this.Visible = true; textBoxLogin.Clear(); textBoxPassword.Clear(); } else { reader.Close(); MessageBox.Show("Такого пользователя не существует, проверьте правильность введённых данных или пройдите регистрацию!"); textBoxLogin.Clear(); textBoxPassword.Clear(); } } }