場景：
在匯出excel時，不需要匯出所有列，部分列不匯出到excel

bizNo不匯出到excel

//點選
<button class="widthnotcertainbutton" data-bind="events: {click:ExportVoucher}">@ResourcesLan.Export</button>

//展示
<div data-role="grid" id="PayConfirmGrid"
                 data-auto-bind="true"
                 data-selectable="row"
 

                 data-resizable="true"
                 data-pageable="true"
                 data-excel="{allPages: true,fileName:'會計憑證'+'.xlsx'}"
                 data-columns="[{ 'field': 'Seq','title':'Seq', 'width': 120},
                 { 'field': 'BizNo','title':'BizNo', 'width': 320},
                     { 'field'
 
: 'Debit','title':'Debit','width': 120,},
            { 'field': 'Credit','title':'Credit','width': 120},
            { 'field': 'Account','title':'Account','width': 120},
            { 'field': 'AccountName','title':'AccountName','width': 180},
            { 'field': 'UnitCode1','title':'UnitCode1', 'width'
 
: 180},
            { 'field': 'UnitCode2','title':'UnitCode2','width': 120},
            { 'field': 'UnitCode3','title':'UnitCode3','width': 120},
            { 'field': 'UnitCode4','title':'UnitCode4','width': 120},
            { 'field': 'Notes','title':'Notes','width': 240},
            { 'field': 'DomesticAmount','title':'DomesticAmount','width': 180,attributes:{'class':'right'},'format':'{0:N2}'},
                { 'field': 'Customer_Vendor','title':'Customer_Vendor','width': 180},
                { 'field': 'Cust_num_Vend_num','title':'Cust_num_Vend_num','width': 180},
                { 'field': 'BankCode','title':'BankCode','width': 100},
                { 'field': 'SettleMethod','title':'SettleMethod','width': 120},
                { 'field': 'ChequeNumber','title':'ChequeNumber','width': 180},
                { 'field': 'ChequeDate','title':'ChequeDate','width': 120},
                { 'field': 'CurrencyCode','title':'CurrencyCode','width': 120},
                { 'field': 'ExchangeRate','title':'ExchangeRate','width': 120,attributes:{'class':'right'},'format':'{0:N2}'},
                { 'field': 'ForeignAmount','title':'ForeignAmount','width': 180,attributes:{'class':'right'},'format':'{0:N2}'},
            ]"
             data-bind="source: PayConfirmDatas,events:{change:PayConfirmChange}"
            >
        </div>



//點選事件
ExportVoucher: function () {
            debugger;
            //gridexport('PayConfirmGrid');
            var grid = $("#PayConfirmGrid").data("kendoGrid");
            //var data = this.PayConfirmDatas;
            //console.log(grid._data);
            //_.each(grid.dataSource.data(), function (t) {
            //    console.log(t);
            // })
            grid.hideColumn(1);
            grid.saveAsExcel();
        }

參考資料：
https://www.jianshu.com/p/fbcaa51d9c0c