//end

        #region 后台数据读取
        public String UserManagement(string sclx, int Size)
        {
            BLLuser      blluser = new BLLuser();
            IList <User> users   = blluser.GetUserlist(Size);
            string       retstr  = "";

            retstr += "                      <div class='card'>";
            retstr += "                                 <div class='header'>";
            retstr += "                                         <h4 class='title'>User Table</h4>";
            retstr += "                                        <p class='category'>Here is a subtitle for this table</p>";
            retstr += "                                  </div> ";
            retstr += "                                  <div class='content table-responsive table-full-width'>";
            retstr += "                                   <table class='table table-striped' >";
            retstr += "                                                        <thead>";
            PropertyInfo[] pros = typeof(User).GetProperties();
            foreach (PropertyInfo pro in pros)
            {
                string a = pro.Name;
                retstr += "                     <th>" + pro.Name + "</th>";
            }
            retstr += "  </thead>";
            retstr += "                              <tbody>";
            foreach (User menu in users)
            {
                retstr += "                                      <tr id='" + menu.Account + "' onclick='selected(" + menu.Account + ")'>";
                retstr += "                                   <td>" + menu.UserName + "</td>";
                // retstr += "                                   <td>"+menu.UserNumber+"</td>";
                retstr += "                                   <td>" + menu.Account + "</td>";

                retstr += "                                   <td>" + menu.PassWord + "</td>";
                retstr += "                                   <td>" + menu.PhoneNumber + "</td>";
                retstr += "                                   <td>" + menu.UserImg + "</td>";
            }
            retstr += " </tbody>";
            retstr += " </table>";
            retstr += " </div>";
            retstr += " </div>";
            return(retstr);
        }