试题详情
- 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.
You need to ensure that when you click the btnSubmit Button control， each Label control value is asynchronously updatable. Which code segment should you use？（）
A、A
B、B
C、C
D、D
- B
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