var MergeAction = new Ext.Action({

         text: '合并(选中两行)',

         handler: function () {

             if (grid.getSelectionModel().hasSelection()) {

                 var records = grid.getSelectionModel().getSelections();//获取选中的项

                 var count = records.length;//选中项的条数

                 if (count != 2) {

                     Ext.Msg.alert('温馨提示', '请检查选择的行数，当前选择了<font color="red">' + count + '行</font>，只能选择2行!');

                     return;

                 } else {

                     var numbers = new Array();

                     for (var i = 0; i < records.length; i++) {

                         numbers[i] = records[i].data.AccidentNumber;//取得其中的数据

                     }

                     Ext.Msg.confirm('温馨提示', '是否确认合并选中项?', function (btn) {

                         if (btn == 'yes') {

                             var numberA = numbers[0];

                             var numberB = numbers[1];

                             Ext.Ajax.request({

                                 url: './AccidentArea/MergeAccident/MergeSameAccident',

                                 params: { caseNoA: numberA, caseNoB: numberB },

                                 success: function (reponse) {

                                     var result = Ext.decode(reponse.responseText);

                                     Ext.Msg.alert('温馨提示', result.Message);

                                     if (result.success) {

                                         store.reload();

                                     }

                                 },

                                 failure: function (response, options) {

                                     var result = Ext.decode(response.responseText);

                                     Ext.Msg.alert('温馨提示', result.error);

                                 }

                             });

                         }

                     });

                 }

             } else {

                 Ext.Msg.alert('温馨提示', '请选择需要合并的项!');

                 return;

             }

         },

         iconCls: 'x-arrow_merge'

     });