private void caloriesButton_Click(object sender, EventArgs e)
 {
     if (client == null)
     {
         MessageBox.Show("Please double click a row.", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
     }
     else
     {
         calcCalories(client);
         calcBMI(client);
         if (gainRadioButton.Checked == true)
         {
             calories += 500;
         }
         else if (loseRadioButton.Checked == true)
         {
             calories -= 500;
         }
         BMI = calcBMI(client);
         BMI = Math.Round(BMI, 2);
         databaseAccess.updateCaloriesBMI(calories, BMI, clientId);
         dataGridView1.DataSource = GetDataGridView();
     }
 }