Isn't the title a required field for a flit?
难道title不是一个flit的必要字段吗？
Next, as this is to be a required field, ensure that Multiplicity is set to 1.
接下来，由于这将是一个必填字段，请确保Multiplicity设置为1。
Common Name is a required field and is typically used as the most granular level of identity.
CommonName是必填字段，该字段通常用来表示最详细的标识。
The tag file defines two attributes: the name of the required field and an optional error message.
这个标记文件定义两个属性：必需字段的名称和一个可选错误消息。
When the user fails to enter a value for a required field, the browser will dynamically inform the user.
当用户没有在要求字段输入值时，浏览器会自动通知用户。
The task fails if you specify an invalid value for a required field.
如果为必需的字段指定的值无效，则任务将失败。
The helper method then checks to see if the component is a required field, and if so it outputs an asterisk.
然后帮助器方法会检查组件是不是必需的字段，如果是，就输出星号。
Required field validation: Omit some of the required fields and make sure system gives proper error messages.
必输项验证：漏填几个必输项，确保系统给出正确的错误消息。
This populates the types of rooms in the drop-down list next to the type of room required field in the EnterRoomInformation form.
这就在EnterRoomInformation表单中的Typeofroomrequired字段旁边填入了房间类型。
Try leaving a required field blank or putting an invalid date into a date field, and you'll see those errors when you try to save, as shown in Figure 6-5.
你可以试试不填必需的栏目或者在时间栏里填错误的时间，你会发现当你要保存时会出现错误信息，如图6 - 5所示。
Validation controls enable you to check for a required field, to test against a specific value or pattern of characters, to verify that a value lies within a range, and so on.
验证控件可用于对必填字段进行检查，对照字符的特定值或模式进行测试，验证某个值是否在限定范围之内，等等。
Validation controls enable you to check for a required field, to test against a specific value or pattern of characters, to verify that a value lies within a range, and so on.
验证控件可用于对必填字段进行检查，对照字符的特定值或模式进行测试，验证某个值是否在限定范围之内，等等。
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