因为bdatt系列控件全部是DateTimePICKer控件 有没有简单的写法呀

Question

 if (bdatt4.Checked)
            {
                mh.datt4 = bdatt4.Value.Date;
            }
            else
            {
                mh.datt4 = null;
            }
            if (bdatt5.Checked)
            {
                mh.datt5 = bdatt5.Value.Date;
            }
            else
            {
                mh.datt5 = null;
            }
            if (bdatt6.Checked)
            {
                mh.datt6 = bdatt6.Value.Date;
            }
            else
            {
                mh.datt6 = null;
            }
            if (bdatt7.Checked)
            {
                mh.datt7 = bdatt7.Value.Date;
            }
            else
            {
                mh.datt7 = null;
            }          
 因为bdatt系列控件全部是DateTimePICKer控件 
有没有简单的写法呀