Id-a unique identifier for the constraint.

id -约束的惟一标识符。

youdao

Now you set the store ID and supplier ID fields so that they do not accept an empty value. Of course, you can add a schema constraint into the XForms model to achieve this.

现在，设置storeID和supplier ID字段以使这两个字段不接受空值。

youdao

Now you set the store ID and supplier ID fields so that they do not accept an empty value. Of course, you can add a schema constraint into the XForms model to achieve this.

现在，设置storeID和supplier ID字段以使这两个字段不接受空值。

youdao