예제 #1
0
        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                using (MySqlConnection conn = new MySqlConnection())
                {
                    //kreiranje konekcije
                    conn.ConnectionString = "datasource=localhost;port=3306;username=root;password=root";
                    MySqlCommand comm = new MySqlCommand("SELECT * FROM testdata.users WHERE BINARY user_name = '" + this.user_name.Text + "' AND user_pass = '******';", conn);
                    conn.Open();
                    MySqlDataReader read = comm.ExecuteReader();
                  
                        int count = 0;
                        while (read.Read())
                        {
                            count = count + 1;
                        }

                        if (count == 1) 
                        {
                            MessageBox.Show("Povezan na bazu!");
                            this.Hide();
                            Podatci p = new Podatci();
                            p.ShowDialog();
                        }
                        else if (count > 1)
                        {
                            MessageBox.Show("Dupla registracija!!");
                        }
                        else if (user_name.Text == "" && pass_txt.Text == "") 
                        {
                            MessageBox.Show("Niste ništa upisali!!!");
                        }
                        else
                        {
                            MessageBox.Show("Krivi user ili pass!! \nProbajte ponovo");
                        }
                        read.Close();
                        conn.Close();
                    }                    
                
            }
            catch (Exception) {
                MessageBox.Show("Greška!");
            }
        }
예제 #2
0
        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                using (MySqlConnection conn = new MySqlConnection())
                {
                    //kreiranje konekcije
                    conn.ConnectionString = "datasource=localhost;port=3306;username=root;password=root";
                    MySqlCommand comm = new MySqlCommand("SELECT * FROM testdata.users WHERE BINARY user_name = '" + this.user_name.Text + "' AND user_pass = '******';", conn);
                    conn.Open();
                    MySqlDataReader read = comm.ExecuteReader();

                    int count = 0;
                    while (read.Read())
                    {
                        count = count + 1;
                    }

                    if (count == 1)
                    {
                        MessageBox.Show("Povezan na bazu!");
                        this.Hide();
                        Podatci p = new Podatci();
                        p.ShowDialog();
                    }
                    else if (count > 1)
                    {
                        MessageBox.Show("Dupla registracija!!");
                    }
                    else if (user_name.Text == "" && pass_txt.Text == "")
                    {
                        MessageBox.Show("Niste ništa upisali!!!");
                    }
                    else
                    {
                        MessageBox.Show("Krivi user ili pass!! \nProbajte ponovo");
                    }
                    read.Close();
                    conn.Close();
                }
            }
            catch (Exception) {
                MessageBox.Show("Greška!");
            }
        }