MySql.Data.MySqlClient.MySqlConnection Connect1 =
                new MySql.Data.MySqlClient.MySqlConnection("server=10.132.226.17;user id=altwsr;database=altwsr;pooling=False;password=e15K2mTd;persist security info=True");
            MySql.Data.MySqlClient.MySqlCommand Command1 = new MySql.Data.MySqlClient.MySqlCommand();
            MySql.Data.MySqlClient.MySqlParameter name_user = new MySql.Data.MySqlClient.MySqlParameter("@name_user", MySql.Data.MySqlClient.MySqlDbType.String);
            name_user.Value = textBox1.Text;
            Command1.CommandType = CommandType.Text;
            Command1.CommandText = "INSERT users (name_user) VALUES (@name_user)";
            Command1.Connection = Connect1;
            Connect1.Open();
            Command1.Parameters.AddWithValue("name_user", textBox1.Text);
            Command1.ExecuteNonQuery();
            Connect1.Close();

        using (MySql.Data.MySqlClient.MySqlConnection Connect1 =
                new MySql.Data.MySqlClient.MySqlConnection("server=10.132.226.17;user id=altwsr;database=altwsr;pooling=False;password=e15K2mTd;persist security info=True"))
            {
                 MySql.Data.MySqlClient.MySqlCommand Command1 = new MySql.Data.MySqlClient.MySqlCommand("INSERT INTO users (name_user) VALUES (@name_user)", Connect1);
                 Command1.CommandType = CommandType.Text;
                 Command1.Parameters.Add(new MySql.Data.MySqlClient.MySqlParameter("@name_user", textBox1.Text)); 
                 Connect1.Open();
                 Command1.ExecuteNonQuery();
                 Connect1.Close();
            }
        }