单项选择题
A. Modify the application settings by using the Web Site Administration Tool.
B. Modify the application settings by using the Visual Studio property page editor for the project.
C. Modify the application settings by using the resource editor.
D. Modify the application settings by using the Visual Studio start options editor.
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?（）
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? （）
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? （）