public void SetActivityGroup()
        {
            if (EditMode)
            {
                AdministrationDAC dac = new AdministrationDAC();
                var dr    = dac.RetrieveActivityGroup(ActivityID);
                var drdet = dac.RetrieveActivity(ActivityID);
                chkMale.Checked   = dr.forMale;
                chkFemale.Checked = dr.forFemale;
                chkChild.Checked  = dr.forChildren;
                if (dr.AgeFrom == 0 && dr.AgeTo == 99)
                {
                    chkAgeAll.Checked = true;
                }
                else
                {
                    txtOldFrom.Text = dr.AgeFrom.ToString();
                    txtOldTo.Text   = dr.AgeTo.ToString();
                }
                tabRowAge.Visible = !chkAgeAll.Checked;

                if (!string.IsNullOrEmpty(drdet.Keywords))
                {
                    txtKeyword.Text = drdet.Keywords;
                }
            }
        }