Each XML data model can contain any number of data instances; the data instance is linked to a button used to trigger the submission of a data instance.
每个XML数据模型可以包含任意数量的数据实例;数据实例链接到一个按钮,这个按钮用来触发数据实例的提交。
Once you define your instance data, create input fields, and bind them to that data, at least one task remains: to provide for submission of the form data to your back-end system.
定义实例数据、创建输入字段并绑定到数据之后还有一项工作:规定表单数据向后端系统的提交方式。
It is often preferable to do this on the client, to prevent the submission of invalid data to the back-end of a system.
通常最好在客户机完成,以免把无效的数据提交到系统后端。
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