摘要：
发生异常的代码如下： 1: public JsonResult GetSaleByNo1(string id) 2: { 3: SaleMvcUI.Helper.saleDBEntities saleDB = new Helper.saleDBEntities(); 4: 5: var saleF = (from sf in saleDB.t_saleform 6: where sf.f_saleform_no == id 7: select sf).First(); 8: ... 阅读全文