What does Request.Form ["DropDownList5"]. ToString () mean?

urthas

You take a look at the knowledge about Response Request.

yfacmilan

The landlord's confusion is that you can directly reference the properties of the server control, why should you use request, right?
Actually it works

ivanherbert

yfacmilanis right, I don't understand why I can directly refer to the properties of the server control, why use request?

mdj007

But DropDownList5 is a server control? What else does Request.Form do?

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DropDownList5 is indeed a server control. At that time, getting its selectValue property can only be done in the background processing code of its original page

The role of request.form is to get the value of the control in the form form in the previous page. It is to submit data across pages

When it comes to cross-industry submission, request.form is generally used