private void BindCmd()
        {
            int iYear = DateTime.Now.Year;
            for (int i = iYear - 5; i < iYear + 5; i++)
            {
                cmbYear.Items.Add(i.ToString());
            }
            cmbYear.SelectedIndex = 5;

            //绑定部门、工种
            DeptBLL deptbll = new DeptBLL();
            deptbll.getWorkTypeCmb(cmbWorkType);    // 工种
            deptbll.getDeptAddAll(cmbDept);  // 部门
        }
        // 加载下拉菜单信息
        private void LoadCmb()
        {
            DeptBLL deptbll = new DeptBLL();

            deptbll.getDutyNameCmb(cmbDutyName);    // 职务名称
            deptbll.getWorkTypeCmb(cmbWorkType);    // 工种
            deptbll.getCerTypeCmb(cmbCerType);      // 证书类别

            deptbll.getEquTYpeCmb(cmbEquType);      // 设备类型
            deptbll.getEquFactoryCmb(cmb);          // 生产厂家
        }