จะเอาข้อมูลที่ล็อกอินไปมาโชว์ในหน้าต่อไปได้ยังไงครับ

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using MySql.Data.MySqlClient;

namespace DataBoss
{
    public partial class Login : Form
    {
        public Login()
        {
            InitializeComponent();
        }

        
        


   

        private void button1_Click(object sender, EventArgs e)
        {
            string constr = ("host=localhost;user=root;password=123456;");
            MySqlConnection con = new MySqlConnection(constr);
            MySqlCommand cmd = new MySqlCommand("select * from game_data.member where Username='" + txtuser.Text + "' and Password = '" + txtpass.Text + "'; ", con);

            MySqlDataReader reader;
            con.Open();
            reader = cmd.ExecuteReader();
            int count = 0;

            while (reader.Read())
            {
                count = count + 1;
            }

            if (count == 1)
            {
                Game games = new Game(txtuser.Text);
               
                
                games.Show();
                this.Hide();

            }
            else if (count > 1)
            {
                MessageBox.Show("Username/Password ผิดลพลาด");
            }
            else
            {
                MessageBox.Show("Username/Password ผิดลพลาด");
                con.Close();
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            Register reg = new Register();
            reg.Show();
            
        }

        private void Login_Load(object sender, EventArgs e)
        {
            groupBox1.Parent = pictureBox1;
            groupBox1.BackColor = Color.Transparent;

            
            
        }

        public string sendtext
        {
            get
            {
                return txtuser.Text;
            }
        }

        private void pictureBox1_Click(object sender, EventArgs e)
        {

        }

        private void groupBox1_Enter(object sender, EventArgs e)
        {

        }
    }
}

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using MySql.Data.MySqlClient;
namespace DataBoss
{
    public partial class Game : Form

    {

        
        public Game(String Str_Name)
        {
            InitializeComponent();
            Lname.Text = Str_Name;
            
        }
        

       

        private void Game_Load(object sender, EventArgs e)
        {
           

            string constr = ("host=localhost;user=root;password=123456;");
            string query = ("select * from game_data.game_data join game_data.member on (member_id = id_member) ;");
            MySqlConnection con = new MySqlConnection(constr);
            MySqlCommand cmd = new MySqlCommand(query, con);
            MySqlDataReader reader;
           
            try
            {
                con.Open();
                reader = cmd.ExecuteReader();

                
                
                while (reader.Read())
                {

                    string ssName = reader.GetString("Game_Name");
                    
                    
                    
                    comboBox1.Items.Add(ssName);
                    
                    

                }


            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            




        }

        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            string constr = ("host=localhost;user=root;password=123456;");
            string query = ("select * from game_data.game_data g join game_data.member on (member_id = id_member) where g.Game_Name = '" + comboBox1.Text + "';");
            //query = ("select * from game_data.member;");
            MySqlConnection con = new MySqlConnection(constr);
            MySqlCommand cmd = new MySqlCommand(query, con);
           
            MySqlDataReader reader;

            try
            {
                con.Open();
                reader = cmd.ExecuteReader();

                while (reader.Read())
                {

                    string sLink = reader.GetString("Game_Link");
                    //string sDate = reader.GetString("Date");
                    string sName = reader.GetString("Username");
                    string sEmail = reader.GetString("Email");
                    
                    textBox1.Text = sLink;
                   // label1.Text = sDate;
                    label2.Text = sName;
                    label1.Text = sEmail;
                   

                }


            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            if (textBox1.Text == "")
            {
                MessageBox.Show("ลิ้งเกมส์ผิดพลาด");
            }
            else
            {
                Clipboard.SetText(textBox1.Text);
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (textBox1.Text == "")
            {
                MessageBox.Show("ลิ้งเกมส์ผิดพลาด");
            }
            else
            {

                System.Diagnostics.Process.Start(textBox1.Text);
            }
        }

        private void button3_Click(object sender, EventArgs e)
        {
            
           
        }

        private void เพมเกมสToolStripMenuItem_Click(object sender, EventArgs e)
        {
            AddGames agame = new AddGames(Lname.Text,lblid.Text);
            agame.Show();
        }

        private void label3_Click(object sender, EventArgs e)
        {

        }

        private void menuStrip1_ItemClicked(object sender, ToolStripItemClickedEventArgs e)
        {

        }
    }
}