/// <summary>
        /// 下拉显示
        /// </summary>
        private void BindCbx()
        {
            List <AppraisalBases> appraisalBases = new List <AppraisalBases>();

            //appraisalBases.Add(new AppraisalBases
            //{
            //    Id = 0,
            //    BaseType = "查询所有",
            //    AppraisalBase = 0,
            //    IsDel = false
            //});
            //IEnumerable<AppraisalBases> appraisalBases1 = AppraisalBases.ListAll();
            //appraisalBases.AddRange(appraisalBases1);
            // 单向绑定
            appraisalBases = AppraisalBases.ListAll();
            appraisalBases.Insert(0, new AppraisalBases
            {
                Id            = 0,
                BaseType      = "查询所有",
                AppraisalBase = 0,
                IsDel         = false
            });
            comBase.DataSource    = appraisalBases;
            comBase.DisplayMember = "BaseType";
            comBase.ValueMember   = "Id";
            //comBase.Text = "查询所有";
            //comBase.Items.Add("查询所有");
            //foreach (var appraisalBase in appraisalBases)
            //{
            //    comBase.Items.Add(appraisalBase.BaseType);
            //}
        }
        private void FrmSetUser_Load(object sender, EventArgs e)
        {
            List <AppraisalBases> appraisalBases = new List <AppraisalBases>();

            appraisalBases        = AppraisalBases.ListAll();
            comBase.DataSource    = appraisalBases;
            comBase.DisplayMember = "BaseType";
            comBase.ValueMember   = "Id";

            tName.Text            = _user.UserName;
            comBase.SelectedValue = _user.BaseTypeId;
            comsex.Text           = _user.Sex;
            chkIsStop.Checked     = _user.IsDel;
        }
 private void FrmBaseManager_Load(object sender, EventArgs e)
 {
     dgvBase.DataSource = AppraisalBases.ListAll();
 }