protected void btnSave_Click(object sender, EventArgs e)
    {
        string sDateSelected = textEntryDate.Text.Trim();
        if (sDateSelected.Length == 0)
            sDateSelected = DateTime.Now.ToString("yyyy-MM-dd", System.Globalization.CultureInfo.GetCultureInfo("en-US"));
        else
        {
            DateTime dt = DateTime.Parse(sDateSelected);
            sDateSelected = dt.ToString("yyyy-MM-dd", System.Globalization.CultureInfo.GetCultureInfo("en-US"));
        }

        string sUserID = Membership.GetUser().ProviderUserKey.ToString();
        int iPersonalSummaryId = Convert.ToInt32(hiddenPersonalSummaryId.Value);
        decimal decWeight = Convert.ToDecimal(textLatestWeight.Text);
        decimal decWaist = Convert.ToDecimal(textLatestWaist.Text);
        decimal decNeck = Convert.ToDecimal(textLatestNeck.Text);
        decimal decHips = Convert.ToDecimal(textLatestHips.Text);
        BodyFatCalculatorClass bfc = new BodyFatCalculatorClass(objSqlConnClass.OpenConnection());
        bfc.SetBodyFatCalculator(Membership.GetUser().ProviderUserKey.ToString(), sDateSelected, iPersonalSummaryId, decWeight, decWaist, decNeck, decHips);
    }