也许此链接有帮助



多个文件上传用户控件



好​​吧，如果你使用多个上传控件：

上传到SQL服务器



并编写一个方法，以便为表单上的每个控件执行此操作？

To upload multiple files using multiple fileupload controls in C#

Maybe this link helps

Multiple file upload user control

Well, if you are using multiple upload controls:
Upload to SQL server

and write a method so you do it for each control on your form?