【单选题】
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. <br /> You plan to add a custom parameter in the SqlDataSource control. <br /> | English | Chinese | Japan | Korean | - 56 - Test Information Co.， Ltd. All rights reserved. You write the following code fragment. <br /> <img src="https://nimg.ppkao.com/2018-07/ppweb/2018072714002379771.png?sign=45872eb85f06c7fa9d3534d6ea625df6&t=62d2f3c3" /><br /> You write the following code segment to create a custom parameter class. public class DayParameter ： Parameter { <br /> } <br /> You need to ensure that the custom parameter&en
A、A
B、B
C、C
D、D
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