//two AJAX獲取數據方式(每次請求) var $c_HospitalCode = $("#c_HospitalCode").select2({ ajax: {  type: 'GET',  url: "/Report/AjaxOption/Ajax_LoadHospitalByKey",  dataType: 'json',  delay: 400,  data: function (params) {   return {    key: params.term, // search term 請求參數    page: params.page,    MKORGCode: '@VModel.MKORGCode'   };  },  processResults: function (data, params) {   //重命名字段名   for (var i = 0; i < data.length; i++)   {    data[i].id = data[i].Value;    data[i].text = data[i].Name;   }   //params.page = params.page || 1;   return {    results: data//,//itemList    //pagination: {    // more: (params.page * 30) < data.length    //}   };  },  cache: true }, placeholder: '請選擇',//默認文字提示 //placeholder: { id: "2", text: "text2" }, language: "zh-CN", tags: true,//允許手動添加 separator: ",", // 分隔符 allowClear: true,//允許清空 escapeMarkup: function (markup) { return markup; }, // 自定義格式化防止xss注入 minimumInputLength: 3,//最少輸入多少個字符后開始查詢 formatResult: function formatRepo(repo) { return repo.text; }, // 函數用來渲染結果 formatSelection: function formatRepoSelection(repo) { return repo.text; }//, // 函數用于呈現當前的選擇  });

 //再次加載默認值. 賦值.   $.ajax({   url: "/Report/AjaxOption/Ajax_LoadHospitalByHospitalCodes",    data: { HospitalCodes: '@VModel.HospitalCode' },   dataType:'json',   success: function (data) {     for (var d = 0; d < data.length; d++) {     var item = data[d];      var option = new Option(item.Name, item.Value, true, true);      $c_HospitalCode.append(option);    }    $c_HospitalCode.trigger('change');//使用這個方法顯示到select2上.   }   });