日韩欧美亚洲 _ 欧美亚洲一区 _ 日本亚洲欧美 _ 亚洲精品欧美 国产白袜脚足J棉袜在线观看_亚洲熟妇av一区二区三区_久久天天躁狠狠躁夜_精品众筹模特私拍在线

單項選擇題

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:  
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

題目列表

你可能感興趣的試題

微信掃碼免費搜題