QUESTION.20
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create a Web form in the application by using the following code fragment. (Line numbers are included for reference only.)
01
07
08
09 runat="server" />
10
11
12 UpdateMode="Conditional" runat="server">
13
14
15
16 Text="Submit" OnClick="Button_Handler" />
17
18
19
You plan to create a client-side script code by using ASP.NET AJAX.
You need to ensure that while a request is being processed, any subsequent Click events on the btnSubmit Button control are suppressed.
Which code fragment should you insert at line 10?
A.
B.
C.
D.
Answer: C