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private void Button1_Click(object sender, EventArgs e)
        {
            string connString = "Server=****;Port=****;Database=****;Uid=trytokillme;password=****;";
            MySqlConnection conn = new MySqlConnection(connString);
            MySqlCommand username = conn.CreateCommand();
            MySqlCommand password = conn.CreateCommand();
            MySqlCommand checkusername = conn.CreateCommand();
            username.CommandText = "SELECT tool_username FROM phpbb_users WHERE tool_username = '" + TextBox1.Text + "'";
            password.CommandText = "SELECT tool_password FROM phpbb_users WHERE tool_username = '" + TextBox1.Text + "'";
            checkusername.CommandText = "SELECT COUNT(tool_username) FROM phpbb_users Where tool_username ='" + TextBox1.Text + "'";
            try
            {
               conn.Open();
               Int64 check = (Int64)checkusername.ExecuteScalar();
               if (TextBox1.Text == "")
               {
               MessageBox.Show("Enter your username!");
               }
               else if (TextBox2.Text == "")
               {
               MessageBox.Show("Enter your password!");
               }
               else if (check != 0)
               {
               MessageBox.Show("Wrong username or password!");
               }
               else
               {
                    try
                    {
                        MySqlDataReader reader = password.ExecuteReader();
                        while (reader.Read())
                        {
                            if (reader["tool_password"].ToString() == TextBox2.Text)
                            {
                            MessageBox.Show("You are now logged in. Have fun!");
                            }
                            else
                            {
                            MessageBox.Show("Wrong username or password!");
                            }
                        }
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show(ex.Message);
                    }
                }
                conn.Close();
                }
            catch (Exception Fehler)
            {
                MessageBox.Show(Fehler.Message);
            }
        }