/// <summary>
        /// 用户数据绑定
        /// 创建 2015-4-17
        /// </summary>
        private void BindGrid()
        {
            List <T_ADMIN> T_ADMIN_LIST = new List <T_ADMIN>();
            //当前页数
            int PageIndex = Grid1.PageIndex + 1;
            //一页的数据条数
            int PageSize = Grid1.PageSize;
            //数据总条数
            long allcount;
            //分页拿到总数据
            var queryall = new DapperExQuery <T_ADMIN>();

            T_ADMIN_LIST = T_ADMIN_BLL.GetListByPage(queryall, "", PageIndex, PageSize, out allcount);
            // 在名称中搜索
            string searchText = ttbSearchMessage.Text.Trim();

            if (!String.IsNullOrEmpty(searchText))
            {
                var query = new DapperExQuery <T_ADMIN>().AndWhere(n => n.A_NAME, OperationMethod.Equal, searchText)
                            .AndWhere(n => n.A_TRUE_NAME, OperationMethod.Equal, searchText);
                T_ADMIN_LIST = T_ADMIN_LIST.Where(n => n.A_TRUE_NAME.Contains(searchText) || n.A_NAME.Contains(searchText)).ToList();
            }
            // 排除已经属于本角色的用户
            int rolesid = 0;

            if (Request.QueryString[requestStr].IsNum())
            {
                rolesid = Int32.Parse(Request.QueryString[requestStr]);

                T_ROLES T_ROLES   = new T_ROLES();
                var     queryrole = new DapperExQuery <T_ROLES>().AndWhere(n => n.ID, OperationMethod.Equal, rolesid);
                T_ROLES = T_ROLES_BLL.GetEntity(queryrole);
                List <T_ADMIN_ROLES> T_ADMIN_ROLES_LIST = new List <T_ADMIN_ROLES>();
                var query1 = new DapperExQuery <T_ADMIN_ROLES>().AndWhere(n => n.R_CODE, OperationMethod.Equal, T_ROLES.R_CODE);
                T_ADMIN_ROLES_LIST = T_ADMIN_ROLES_BLL.GetAllList(query1);
                for (var i = 0; i < T_ADMIN_ROLES_LIST.Count; i++)
                {
                    T_ADMIN_LIST = T_ADMIN_LIST.Where(n => n.A_CODE != T_ADMIN_ROLES_LIST[i].A_CODE).ToList();
                }
                // 在查询添加之后,获取总记录数
                Grid1.RecordCount = Int32.Parse(allcount.ToString());
                Grid1.DataSource  = T_ADMIN_LIST;
                Grid1.DataBind();
            }
        }