private void button1_Click(object sender, EventArgs e)
{
Authentification adm = new Authentification();
adm.Show();
Close();
}
public void Close()
{
Authentification closeform = new Authentification();
closeform.FormClosed += Cl_FormClosed;
this.Hide();
}
private void button2_Click(object sender, EventArgs e)
{
Registration reg2 = new Registration();
reg2.FormClosed += Reg2_FormClosed;
this.Hide();
Authentification adm = new Authentification();
adm.Show();
}
private void button1_Click(object sender, EventArgs e)
{
string connStr = "server=localhost;user=root;password=;database=mydb;port=3306;";
MySqlConnection conn = new MySqlConnection(connStr);
try
{
conn.Open();
string sql = "SELECT username FROM users WHERE username=\"" + textBox1.Text + "\";";
MySqlCommand cmd = new MySqlCommand(sql, conn);
MySqlDataReader rdr = cmd.ExecuteReader();
int chek = 0;
while (rdr.Read())
{
string name = "";
name = Convert.ToString(rdr[0]);
if (name != "")
{
MessageBox.Show("Пользователь " + name + " уже зарегестрирован");
chek = 1;
}
}
rdr.Close();
if (chek == 0)
{
string regis = "INSERT INTO `mydb`.`users`(`username`,`password`)VALUES(\"" + textBox1.Text + "\",\"" + textBox2.Text + "\");";
MySqlCommand regiscmd = new MySqlCommand(regis, conn);
regiscmd.ExecuteNonQuery();
MessageBox.Show(" Регистрация прошла успешно \n\tВаш логин:\"" + textBox1.Text + "\"\n\tВаш пароль: \"" + textBox2.Text + "\"");
}
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
conn.Close();
Registration reg2 = new Registration();
reg2.FormClosed += Reg2_FormClosed;
this.Hide();
Authentification adm = new Authentification();
adm.Show();
}