How to prevent form submission while page reload in razor pages in ASP.NET Core 7 web app (without using MVC)

Question

I'm trying to write a simple page with form in an ASP.NET Core 7 web app with Razor pages. I'm facing a problem while reloading that page.

The previous submission is happening again while reloading. How to prevent form submission while page reload in Razor pages (not MVC)?

In "classic" ASP.NET, I as able to use the IsPostback property to prevent these issues, but in Razor pages, I am unable to use it.

Could you add some code showing what you did so far ? If you added minimal reproducible example, it would be easier to tell. I'm not sure, at this stage. — Qing Guo
– Qing Guo, Commented May 11, 2023 at 5:33
Use the Post-Redirect-Get pattern to prevent duplicate form submission: en.wikipedia.org/wiki/Post/Redirect/Get — Mike Brind
– Mike Brind, Commented May 11, 2023 at 15:29

Elsayed Abouelkomsan · Accepted Answer · 2023-05-25 20:43:25Z

0

Try to use the RedirectToPage method: In your POST handler, after processing the form submission, use the RedirectToPage method to redirect the user to the corresponding GET handler.

return RedirectToPage("Index");

answered May 25, 2023 at 20:43

Elsayed Abouelkomsan

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