A good solution to a problem you may encounter when working with a database is to print out your SQL statements to make sure that what you are executing SQL you intended to execute.
对于使用数据库时可能遇到的问题，一个好的解决方案是输出sql语句，以确保执行的SQL就是想要执行的。
Use it as a simple solution for printer and print-related Settings selection in lieu of configuring your own dialog box.
将该控件用作选择打印机和打印相关设置的简单解决方案，而不用配置您自己的对话框。
应用推荐