retrieves information

• Class , which allows you to retrieve information about any exception you encounter
  类的实例，该类允许检索有关您遇到的任何异常的信息。
• Which can be used to retrieve information about available sql server instances
  的实例，该实例可用于检索有关可用sql server实例的信息。
• For example , suppose you have a web service that retrieves information about a book
  例如，假设您有一个web服务，用于检索有关图书的信息。
• Provides properties for retrieving information on a sql expression field found in a report
  提供属性，以检索报表中的sql表达式字段的信息。
• This class allows you to retrieve information and set generic format options inherited from the reportobject class
  该类使您可以检索信息和设置从
• The user is isolated from the physical method of storing and retrieving information from the database
  用户应与数据库的物理储存和重寻方法相隔离。
• For example , the admin user may need to retrieve information about a delivery to an invalid address
  例如，管理者需要检索关于交付无效地址的信息。
• This class allows you to retrieve information and set generic format options inherited from the drawingobject class
  该类使您可以检索信息和设置从
• Get and $ _ post variables are used to retrieve information from forms , like user input
  Get和$ _ post变量是用来获取表单中的信息的，比如用户输入的信息。
• Provides properties that modify or retrieve information about how the report appears and functions
  提供修改或检索有关报表如何显示和起作用的信息的属性。