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- 单项选择题 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 string strQuery = "select * from Products;" 02 + "select * from Categories"; 03 SqlCommand cmd = new SqlCommand(strQuery, cnn); 04 cnn.Open（ ）; 05 SqlDataReader rdr = cmd.ExecuteReader（ ）; 06 07 rdr.Close（ ）; 08 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 | English | Chinese | Japan | Korean | - 46 - Test Information Co., Ltd. All rights reserved. Which code segment should you insert at line 06?（）
A、A
B、B
C、C
D、D
- D
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