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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 fragment. （Line numbers are included for reference only.） 01 02 ID="rfValidator1" runat="server" 03 Display="Dynamic" ControlToValidate="TextBox1" 04 05 > 06 07 08 09 10 ID="ValidationSummary1" runat="server" /> You need to ensure that the error message displayed in the validation control is also displayed in the validation summary list. What should you do？（）
A、A
B、B
C、C
D、D
- C
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