YouareemployedasaWebApplicationDeveloperatCertkiller.com.YoumakeuseofMicrosoft.NETFrameworkv3.5tocreateanASP.NETapplication.Youcreateaclassintheapplicationthatcontainsthecodebelow.（Thelinenumbersisincludedforreferencepurposes）01publicobjectGetCachedProduc
题目
YouareemployedasaWebApplicationDeveloperatCertkiller.com.YoumakeuseofMicrosoft.NETFrameworkv3.5tocreateanASP.NETapplication.
Youcreateaclassintheapplicationthatcontainsthecodebelow.（Thelinenumbersisincludedforreferencepurposes）
01publicobjectGetCachedProducts（sqlConnectionconn）{
02
03if（Cache["products"]==null）{
04SqlCommandcmd=newSqlCommand（"SELECT*FROMProducts"，conn）；
05conn.Open（）；
06Cache.Insert（"products"，GetData（cmd））；
07conn.Close（）；
08}
09returnCache["products"]；
10}
11
12publicobjectGetData（SqlCommandprodCmd）{
13
14}
YounoticethattheGetCachedProductsmethodiscalledtoprovidethislistfromtheCacheobjecteverytimeaWebformhastoaccessalistofproducts.ToensureproductivitymanagementwantsyoutomakesurethatthereisalwaysalistofproductsavailableintheCacheobject.Youthusneedtodeterminetheappropriatecodethatshouldbeaddedinline13.
Whatshouldyouidentify？（）
