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單項(xiàng)選擇題

You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. 
You write the following code segment in the code-behind file to create a Web form. (Line numbers are included for reference only.) 
01 Dim strQuery As String = "select * from Products;" + _ "select * from Categories" 
02 Dim cmd As New SqlCommand(strQuery, cnn) 
03 cnn.Open() 
04 Dim rdr As SqlDataReader = cmd.ExecuteReader() 
| English | Chinese | Japan | Korean | - 47 - Test Information Co., Ltd. All rights reserved. 05 
06 rdr.Close() 
07 cnn.Close() 
You need to ensure that the gvProducts and gvCategories GridView controls display the data that is contained in the following two database tables: 
¡¤The Products database tabl 
¡¤The Categories database tabl 
Which code segment should you insert at line 05? ()

A.A
B.B
C.C
D.D

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