The data layer uses server objects, and dynamically generates controls for multi-file uploads.

Source: Internet
Author: User

[Knowledge point]
1. Why does the data layer reference the server object?
System. Web. httpcontext. Current. server...
[To delete files in the data layer server. mappath,
There are still many cookies, response, request
Are available. But I still don't understand current.]

2. upload multiple files (Dynamic upload control ),
Add a server to the input generated by the client Js,
Find again.
[To upload any number of files.
However, it seems complicated to work with other control groups.]

[Problem]
1. What kind of data layer is useful for the data layer?

[Others]
Only when multiple writes are performed can the problem be improved.
There is more to be summarized.

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