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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
正确答案:D
答案解析:
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