private void btnHome_Click(object sender, EventArgs e)
        {
            CalorieCalculatorHomeScreen frmCalorieCalculatorHomeScreen = new CalorieCalculatorHomeScreen();

            frmCalorieCalculatorHomeScreen.Show();
            this.Close();
        }
        //update goals
        private void btnEnter_Click(object sender, EventArgs e)
        {
            SqlConnection _con;
            SqlCommand    _cmd;

            goalCal = Int32.Parse(txtGoal.Text);
            mode    = pnlMode.Controls.OfType <RadioButton>()
                      .FirstOrDefault(r => r.Checked).Text;                 //checks the mode selection


            //update user data with mode, and goal selection
            _con = new SqlConnection(@"Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename=D:\Documents\College\Summer2018\C#\Project\CalorieCalculatorWPF\CalorieCalculatorWindows\CalorieCalculatorWindows\UserDB.mdf;Integrated Security=True;Connect Timeout=30");
            _con.Open();
            _cmd = new SqlCommand("UPDATE [User] SET Mode = @Mode , GoalCal = @Goal WHERE UserID=1", _con);
            _cmd.Parameters.AddWithValue("Mode", mode);
            _cmd.Parameters.AddWithValue("Goal", goalCal);
            _cmd.ExecuteNonQuery();

            _con.Close();

            //lets user know the update was made and returns user home
            MessageBox.Show("Goals Updated");
            CalorieCalculatorHomeScreen frmCalorieCalculatorHomeScreen = new CalorieCalculatorHomeScreen();

            frmCalorieCalculatorHomeScreen.Show();
            this.Close();
        }