private void LoadCmbMemBer() { List <MemberInfo> members = new MemberInfoBLL().GetAllMemberInfoByDelFlag(0); members.Insert(0, new MemberInfo { MemName = "请选择", MemberId = -1 }); cmbMember.DataSource = members; cmbMember.DisplayMember = "MemName"; cmbMember.ValueMember = "MemberId"; }