单项选择题
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You derive a new validation control from the BaseValidator class.
The validation logic for the control is implemented in the Validate method in the following manner. protected static bool Validate(string value) {
...
}
You need to override the method that validates the value of the related control.
Which override method should you use?（）
A.
B.
C.
D.
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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 Sub _ | English | Chinese | Japan | Korean | - 24 - Test Information Co., Ltd. All rights reserved. CustomValidator1_ServerValidate(ByVal source As Object, _ ByVal args As ServerValidateEventArgs) Dim dt As DateTime = _ IIf([String].IsNullOrEmpty(args.Value), _ DateTime.Now, Convert.ToDateTime(args.Value)) args.IsValid = (DateTime.Now - dt).Days < 10 End Sub You need to validate the value of TextBox1. Which code fragment should you add to the Web page? （）
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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?（）
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