每个表单元素的类型取决于数据元素的数据类型。
The type of form element is based on the data type of the data element.
请注意：表单元素的类型是具有三个不同选项的下拉列表，如图2 所示
Note that the form element Type is a drop-down list with three different choices, as shown in Figure 2
可以对您的表单元素使用19种标准验证类型。
There are 19 standard validation types that come ready to use with your form elements.
表单元素自身也代表了特殊类型的对象，而不是描述在页面上它们是如何显示的。
The form elements themselves also represent objects of particular types, rather than describing what they should look like on the page.
您可以手动对表单元素进行实例化并把它们连接到表单，或者让表单对象创建并实例化一个新表单元素，使它符合您要求的类型。
You can instantiate the form elements manually and attach them to the form or let the form object create and instantiate a new form element of the requested type for you.
实际上有两种错误消息类型：在捆绑html表单的时候根据类型生成的，和提交后表单元素绑定的类生成的。
There are actually two types of validation error messages - those generated before the HTML form fields are bound to a class and those generated after the form fields are bound to the class.
实际上有两种错误消息类型：在捆绑html表单的时候根据类型生成的，和提交后表单元素绑定的类生成的。
There are actually two types of validation error messages - those generated before the HTML form fields are bound to a class and those generated after the form fields are bound to the class.
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