BootStrap selectpicker后台动态绑定数据

//获得全部订单信息(订单ID,订单名称)
function GetAllOrders(obj) {
 $.ajax({
  type: 'Get',
  url: '/OrderTypeSetting/GetAllCanUseOrderTypes/',
  dataType: "Json",
  success: function (data) {
   if (!data.flag) {    
    $.each(data, function (i, n) {
     $("#" + obj).append(" <option value="" + n.os_id + "">" + n.os_name + "</option>");
    })
    $("#" + obj).selectpicker('refresh');
    
   }
  }
 })

}

//获得全部订单信息(订单ID,订单名称)
function GetAllOrders(obj) {
 $.ajax({
  type: 'Get',
  url: '/OrderTypeSetting/GetAllCanUseOrderTypes/',
  dataType: "Json",
  success: function (data) {
   if (!data.flag) {
    var opstr = "";
    $.each(data, function (i, n) { 
      opstr += " <option value="" + n.os_id + "">" + n.os_name + "</option>";
    })    
    var myobj = document.getElementById(obj);
    if (myobj.options.length == 0) {
     $("#" + obj).html(opstr);
     $("#" + obj).selectpicker('refresh');
    }
   }
  }
 })

}