How to POST form in asp.net to other pages

In ASP, we usually submit the form to another page (accepting data page). But in ASP.NET, server-side forms are usually submitted to this page. If I set

form1.action="test.aspx";

, it will cause a view validation error, because Asp.net caused by safety mechanisms. We can also turn off this verification and add

in the header of the acceptance page (test.aspx) <%@ Page EnableViewStateMac="false" %>

But this is not very safe. In fact, asp.net 2.0 is still Provides a way to submit to other pages. The server button control provides an attribute: PostBackUrl. Write like this

button1.PostBackUrl="test.aspx";

This will not cause verification errors and is very safe. .

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By the way, here is a way to dynamically modify form attributes. Some methods have nothing to do with the above: For example, modify the target attribute

Normal page:

((System.Web.UI.HtmlControls.HtmlForm)this.FindControl("form1")).Target = "_blank";

Or

form1.Attributes["target"] = "_blank";

including master page master:

((System.Web.UI.HtmlControls.HtmlForm)this.Master.FindControl("form1")). Target = "_blank";

Front-end modification: