在满足以下条件的情况下，可以将文件上载作为表单网格元素中引用表单中的一个字段：
- 表格必须是 增强型网格表单元素（表单网格）元素。
- 表格绑定器必须与Multirow Form Binder一起使用。
One can include File Upload as one of the fields in the referencing form in a form grid element while fulfilling the conditions below:
- The grid must be an Enhanced Grid Form Element (Form Grid) element.
- The grid binder must be used together with Multirow Form Binder.