问题：
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create a class that contains the following code segment. (Line numbers are included for reference
English Chinese Japan Korean - 43 - Test Information Co., Ltd. All rights reserved. only.)
01 public object GetCachedProducts(sqlConnection conn) {
02
03 if (Cache["products"] == null) {
04 SqlCommand cmd = new SqlCommand(
05 "SELECT * FROM Products", conn);
07 conn.Open();
08 Cache.Insert("products", GetData(cmd));
09 conn.Close();
10 }
11 return Cache["products"];
12 }
13
14 public object GetData(SqlCommand prodCmd) {
15
16 }
Each time a Web form has to access a list of products, the GetCachedProducts method is called to provide this list from the Cache object.
You need to ensure that the list of products is always available in the Cache object. Which code segment should you insert at line 15? （）
A . A
B . B
C . C
D . D
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create a class that contains the following code segment. (Line numbers are included for reference
English Chinese Japan Korean - 43 - Test Information Co., Ltd. All rights reserved. only.)
01 public object GetCachedProducts(sqlConnection conn) {
02
03 if (Cache["products"] == null) {
04 SqlCommand cmd = new SqlCommand(
05 "SELECT * FROM Products", conn);
07 conn.Open();
08 Cache.Insert("products", GetData(cmd));
09 conn.Close();
10 }
11 return Cache["products"];
12 }
13
14 public object GetData(SqlCommand prodCmd) {
15
16 }
Each time a Web form has to access a list of products, the GetCachedProducts method is called to provide this list from the Cache object.
You need to ensure that the list of products is always available in the Cache object. Which code segment should you insert at line 15? （）
● 参考解析
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