單項(xiàng)選擇題

You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You add a TextBox control named TextBox1.
You write the following code segment for validation.
protected void CustomValidator1_ServerValidate(
object source, ServerValidateEventArgs args) {
DateTime dt = String.IsNullOrEmpty(args.Value)
DateTime.Now : Convert.ToDateTime(args.Value);
args.IsValid = (DateTime.Now - dt).Days < 10;
}
You need to validate the value of TextBox1.
Which code fragment should you add to the Web page?（）

A.
B.
C.
D.
E.
F.
G.
H.

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單項(xiàng)選擇題

You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create a custom control named OrderForm.
You write the following code segment.
Public Delegate Sub _
CheckOrderFormEventHandler(ByVal e As EventArgs)
Private Shared ReadOnly CheckOrderFormKey As New Object()
public event CheckOrderFormEventHandler
Public Custom Event CheckOrderForm As CheckOrderFormEventHandler
AddHandler(ByVal value As CheckOrderFormEventHandler)
Events.[AddHandler](CheckOrderFormKey, value)
End AddHandler
| English | Chinese | Japan | Korean | - 21 - Test Information Co., Ltd. All rights reserved. RemoveHandler(ByVal value As CheckOrderFormEventHandler)
Events.[RemoveHandler](CheckOrderFormKey, value)
End RemoveHandler
RaiseEvent(ByVal e As EventArgs)
End RaiseEvent
End Event
You need to provide a method that enables the OrderForm control to raise the CheckOrderForm event.
Which code segment should you use?（）

A.
B.
C.
D.

單項(xiàng)選擇題

You create a custom control named OrderForm.
You write the following code segment.
public delegate void
CheckOrderFormEventHandler(EventArgs e);
private static readonly object CheckOrderFormKey
= new object();
public event CheckOrderFormEventHandler
CheckOrderForm {
add {
Events.AddHandler(CheckOrderFormKey, value);
}
remove {
Events.RemoveHandler(CheckOrderFormKey,
value);
}
}
You need to provide a method that enables the OrderForm control to raise the CheckOrderForm event.
Which code segment should you use?（）

A.
B.
C.
D.