{

              xtype: 'combo',

              id: 'ApplyToModel',

              name: 'ApplyToModel',

              store: comStoreApplyToModel,

              valueField: "Id",

              displayField: "ChineseName", width: 150,

              mode: 'remote',//local

              editable: false,

              triggerAction: 'all',

              autoload: true,

              listeners: {

                  "expand": function (combo, store, index) {

                      comboData_DynaPropertyValue.load({

                          params: {

                              PropertyId:'' , //获取当前选择行的字段ID

                              start: startDynaProperty,

                              limit: limitDynaProperty

                          }

                      });

                  }

              }

          }