单项选择题
You create a Web Form that contains a text box named txtDate. You want the text box to allow users to enter any valid date. You need to use an ASP.NET validation control to ensure that only valid date values are submitted to the server. What should you do? （）
A. Add a CompareValidator control to the Web Form. Set its ControlToValidate property to txtDate. Set its Type property to Date. Set its Operator property to DataTypeCheck.
B. Add a RangeValidator control to the Web Form. Set its ControlToValidate property to txtDate. Set its Type property to Date. Set its MinimumValue property to 01/01/1900 and its MaximumValue to the current date.
C. Add a CustomValidator control to the Web Form. Set its ControlToValidate property to txtDate. Write a function in the partial class that verifies the values as dates and returns a Boolean variable. Set the CustomValidators ClientValidationFunction to the name of your function.
D. Add a RegularExpressionValidator control to the Web Form. Set its ControlToValidate property to txtDate. Set the ValidationExpression property to ensure that the users input follows the format of nn-nn-nnnn, where n represents a number from 0 through 9.
相关考题
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单项选择题
You create a Web Form. The Web Form allows users to calculate values and display the results in a label named lblResults. You need to capture all unhandled exceptions on the Web Form through the Error event. The Error event must capture each unhandled exception and display it on the Web Form. Which code segment should you use? （）
A. Protected Sub Page_Error(ByVal sender As Object, _ ByVal e As System.EventArgs) Handles Me.Error lblResults.Text = e.ToString() e = NothingEnd Sub
B. Protected Sub Page_Error(ByVal sender As Object, _ ByVal e As System.EventArgs) Handles Me.Error lblResults.Text = Server.GetLastError().ToString() Server.ClearError()End Sub
C. Protected Sub Page_Error(ByVal sender As Object, _ ByVal e As System.EventArgs) Handles Me.Error Response.Write(e.ToString()) e = NothingEnd Sub
D. Protected Sub Page_Error(ByVal sender As Object, _ ByVal e As System.EventArgs) Handles Me.Error Response.Write(Server.GetLastError().ToString()) Server.ClearError()End Sub -
单项选择题
You create a Web Form that contains a button named btnCancel that enables users to exit the page. When users click this button, validation must not occur. During testing you learn that clicking the Cancel button does not enable users to exit the page. You need to ensure that users can always exit the page. What should you do? （）
A. Set the Enabled property of the validation controls on the Web Form to False.
B. Set the CausesValidation property of the btnCancel button to False.
C. Set the CausesValidation property of the btnCancel button to True.
D. Set the Visible property of the validation controls on the Web Form to False. -
多项选择题
You are developing a Web application. The Web application restricts access to an administrative page. The Web application uses the following code segment to protect the page.If Page.User.Identity.Name <> "CONTOSO\Administrator" Then Response.Redirect("login.aspx")End IfYou are logged on as Administrator. When you display the page, you are redirected to Login.aspx. You discover that the User.Identity.Name property is not being correctly populated. You need to ensure that you can access the page when you are logged on as Administrator. Which two actions should you perform? （）
A. In the Web.config file, enable impersonation.
B. In IIS, enable anonymous access.
C. In IIS, disable anonymous access.
D. In the Web.config file, set the authentication mode to Windows.
