private void Btnlogin_Click(object sender, RoutedEventArgs e)
        {
            //Dashboard d = new Dashboard();
            //d.Show();
            try
            {
                string myConnection = "datasource=localhost;port=3306;username=root;password=;database=pharmacy";

                MySqlConnection mySqlConnection = new MySqlConnection(myConnection);
                MySqlCommand    SelectCommand   = new MySqlCommand("select * from login where ID='" + this.user_name.Text + "' and Password='******' ;", mySqlConnection);
                MySqlDataReader myReader;

                mySqlConnection.Open();
                myReader = SelectCommand.ExecuteReader();

                //int count = 0;

                //while(myReader.Read())
                //{
                //    count = count + 1;
                //}
                if (myReader.Read())
                {
                    MessageBox.Show("Username and Password is correct!");
                    Dashboard d = new Dashboard();
                    d.Show();
                    this.Hide();
                }
                else
                {
                    MessageBox.Show("invalid username or password!");
                }
                mySqlConnection.Close();
            }

            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
Exemple #2
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        private void Back_Click(object sender, RoutedEventArgs e)
        {
            Dashboard d = new Dashboard();

            d.Show();
        }