data operation

• Method is marked as the default method for the select data operation , and the
  方法标记为“ select ”数据操作的默认方法，将
• Identifies the type of data operation performed by a method , as specified by the
  的指定，标识该方法所执行的数据操作类型。
• Object creates an instance of a business object to perform a data operation
  对象创建业务对象的实例以执行数据操作之前引发
• Values that identifies the type of data operation performed by the method to which the
  所应用于的方法所执行的数据操作类型。
• Property , and then calls the appropriate method for the data operation
  属性标识的类型的实例，然后为数据操作调用适当的方法。
• Method is called , only if the method that is identified to perform the data operation is not
  仅当标识以执行数据操作的方法不是
• Gets a wrapper for any exceptions thrown by the database during a data operation
  为数据库在数据操作期间引发的任何异常获取包装。
• In visual basic , an instance is not created but the data operation method is still called
  ） ，则不会创建实例，但仍会调用数据操作方法。
• Is called when the instance of an object that was created to perform a data operation is discarded
  在丢弃创建以执行数据操作的对象的实例时调用
• A value indicating whether any exceptions thrown during the data operation were handled
  一个值，指示是否处理了在数据操作过程中引发的任何异常。