多项选择题
A. Ensure that the Close method is called on each connection object after it has finished executing.
B. Ensure that each connection object is left open after it has finished executing.
C. Increase the Max Pool Size value inside the connection string.
D. Increase the Min Pool Size value inside the connection string.
E. Increase the Connection Lifetime value inside the connection string.
F. Increase the value of the ConnectionTimeout property of the SqlConnection object.
单项选择题 You develop a Web application. Your application contains two settings in the Web.config file. You deploy your application to production. You need to modify the application settings in the production environment without manually editing the XML markup in the Web.config file. What should you do? （）
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? （）