private void GetCombox() { MenberTypeInfoBll mtibll = new MenberTypeInfoBll(); List <MemberTypeInfo> list = new List <MemberTypeInfo>(); list = mtibll.GetList(); comboBox_添加_类型.DataSource = list; comboBox_添加_类型.DisplayMember = "MTitle"; comboBox_添加_类型.ValueMember = "MId"; }