图表数据服务和图表数据更新器都依赖图表数据访问器来从数据存储加载数据，或向其中存储数据。
Both the chart data service and the chart data updater depend on the chart data accessor to load data from or store data to a data store.
让我们进一步了解图表数据更新器的实现，以及如何使用JMS主题连接工厂将服务器事件发布到客户机。
Let's take a close look at the implementation of the chart data updater and how to publish a server event to clients with the JMS topic connection factory.
图表数据更新器的启动、调度和停止是通过调用CommonJTimer的TimerManager实现的(清单14)。
The start, schedule, and stop of the chart data updater are done by calling TimerManager of CommonJ Timer (Listing 14).
客户机应用程序可以查询DAS并得到数据图表作为响应，修改数据图表并向DAS发送更新的数据图表，以便将这些更改应用到原始数据源中。
Client applications can query a DAS and get a data graph in response, modify the data graph and send the updated data graph to a DAS to have the changes applied to the original data source.
在断开连接的数据图表架构中，客户机从数据源检索数据图表、更改数据图表，然后将这些数据图表更新应用于数据源。
Under the disconnected data graphs architecture, a client retrieves a data graph from a data source, changes the data graph, and can then apply the data graph updates back to the data source.
一般说来，我们想利用ajax异步抓取实时监控数据并更新仪表板图表，而无需重新加载整个网页。
Generally, we want to take advantage of Ajax to asynchronously grab real-time monitoring data and update our dashboard charts without the Web page fully reloading.
这个揭示一年当中人们何时分手的图表是根据在线调查人们使用Facebook更新自身状态的数据绘制出来的。
That's according to a graphic making the rounds online that uses Facebook status updates to chart what time of year people are splitting up .
您将无法通过改变底层数据来对一个分解后的图表进行更新，同时您将可能会失去某些格式。
You won’t be able to update an ungrouped chart by changing its underlying data and you might lose special formatting.
此外，当后端数据发生变化时，更新后的数据将自动反应到这些图表中并呈现给用户。
Further, when the back-end data changes, the updated data is automatically presented to users in these charts.
这一过程帮助我们避免了频繁地更新图表和数据库所产生的大量的推理。
This process helps to avoid the significant consequences which can result from frequent schema and user database updates (see below).
展开相关的图表，并且点击您所要更新的记录所在的数据表。
Expand the relevant schemas and click the table in which you want the record to be updated.
每一种对于基于hook的规则的简单变更都将需要描述图表和更新用户数据库。
Either of these simple changes to a hook code-based rule would require versioning the schema and upgrading the user database.
当绑定到一个数据源上时，无论何时数据源发生变化图表控件都会更新。
When bound to a data source, a Chart control will update whenever the source data changes.
当绑定到一个数据源上时，无论何时数据源发生变化图表控件都会更新。
When bound to a data source, a Chart control will update whenever the source data changes.
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