您当然可以随心所欲地添加或更改字段，但是首先让我们看一下此代码中的内容。
You can, of course, add or change fields as you'd like, but let's take a look at what we have in this code.
从新表中，查询继承了“查阅”字段，这样您就可以从列表中挑选值来更改字段的值，而不必正确地键入值。
From the new tables, the query inherits Lookup fields, which let you change field values by picking values from a list instead of having to correctly type a value.
例如，如果您的数据库不允许您更改表中包含数据的字段的长度，您将不能使用ArcGIS更改字段长度。
For example, if your database does not allow you to change the length of a field in a table that contains data, you cannot change the field length through ArcGIS.
您可以更改这些字段的大小，以适应您的内容。
You can change the sizes of these fields to accommodate your content.
他选择一个输入字段后，上下文会立即更改。
这样一来，当组件的字段被更改时，可以让组件本身重新进行配置，避免因局部更改导致整个应用程序重新配置。
This allows components to reconfigure themselves if any of their fields change, without local changes causing the entire application to reconfigure itself.
此外，除了获取和设置值以外，它还支持其他的操作；还可以侦听对配置字段的更改。
In addition, it supports operations beyond just getting and setting values; changes to configuration fields can also be observed.
现在您已经更改了相应字段来支持极大帧。
可以对此实现进行增强来以简单明了的方式创建完整的ACL维护框架，具体做法是实现上面所述的图形字段更改和服务方法。
The implementation can be enhanced to create a full ACL maintenance framework in a straightforward way by implementing the graphical field changes and service methods noted above.
出于管理的目的(如查看字段中更改的值)，应用程序还建立了其他全局对象。
The application also sets up other globals for housekeeping purposes, such as watching for changed values in the fields.
如清单4所示，只需添加几行代码就可以侦听邮政区码字段的更改。
Simply add the lines of code shown in Listing 4 to listen for changes to the ZIP code field.
控制器处理所有UI事件，例如单击按钮、选择菜单以及更改文本字段。
The controller handles all UI events, such as button clicks, menu selection, and text-field changes.
在其他情况下，我可能想要在输出中仅包含某些字段、更改顺序、更改用于值的标识符文本，或者甚至完全跳过标识符文本。
In other cases, I may want to only include certain fields in the output, change the order, change the identifier text used for a value, or even skip the identifier text completely.
通常情况下，我们可以通过作为管理员登陆进去并更改这个显示字段来处理这个问题，但是要对每个解决方案这样处理（资产注册表），这将十分耗费时间。
Currently, we can get around this by logging in as the administrator and changing this display field, but that has to be done for each solution (assetRegistry), which can be time-consuming.
数据字段可以多次更改，在写入磁盘之前它位于缓存中。
A data field can be changed multiple times while in the cache before it is written to disk.
要更改类型，您只需选择类型字段，并从下拉框中选择类型。
To change the type, you could just select the type field and select it from the drop-down box.
该处理程序将基于当前值的相反值来回更改隐藏字段的值。
That handler changes the value of the hidden field back and forth, based on the opposite of the current value.
更改消息中已有头的字段。
Fields of the existing headers in the message may be altered.
服务器运行脚本，将绑定到字段的数据更改为大写。
The server runs the script, changing the data bound to the field to uppercase.
可以做的更新有两种：更改现有字段值；添加新字段和新值。
You can make two different kinds of updates: by making changes to existing field values or by adding new fields with their own values.
更改向用户公开的输入字段。
您可以方便地将该类型更改为password，并将该字段中的用户输入替换为一串星号。
You can easily change the type to password and replace user input in that field to a series of asterisks.
编辑所有的事件文件，并将事件中的date字段更改为当前日期。
Edit all the event files and change the date fields in the events to the current date.
在作业详细信息页面上，只需将Mode字段更改为Import，如图15所示。
On the job details page, simply change the Mode field to Import as shown in Figure 15.
通过使用触发器列“CustomerID”，仅当“CustomerID”字段被更改为一个新值时，输出将生成一条包含一个XML文档的新记录。
Using the trigger column "CustomerID," the output will generate a new record containing a single XML document only when the "CustomerID" field is changed to a new value.
现在我将使用简单的解决方案，但是如果需求发生了更改，我会将FrequentFlier字段标记为未来的一个重构点。
I'm going to stick with the simple solution for now, but I'll mentally flag the FrequentFlier field as a future refactoring point if requirements change.
可以使用Ajax定期检查字段的更改，并根据用户键入的内容发送拼写补全建议。
I can use Ajax to check periodically for changes in a field and send down Suggestions for completion as the user types.
这些缺省过滤器更改了要定制的type字段，其指明了要使用的定制过滤器。
These default filters change the Type field to custom, which indicates that custom filters are used.
Polling活动的发生基于一个指定时间戳字段的更改。
The polling activity occurs based on a designated timestamp field change.
当zip5输入字段更改时，将执行从用户的浏览器到服务器的Ajax调用。
When the zip5 input field is changed, an Ajax call is made from the user's browser to the server.
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