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Editorial Team
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Asked: 2026-05-31T09:57:49+00:00

First thing, sorry for my English. I have two forms in index. Login form

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First thing, sorry for my English.

I have two forms in index.

Login form will post to localhost/Account/LogOn

Register form will post to localhost/Account/SignUp

How can I display error in localhost/ after user post one of the form ?

Currently the error will display in localhost/Account/LogOn or localhost/Account/SignUp

These are my codes:

#Index Action in HomeController

    Public Function Index() As ActionResult
        Return PartialView("_default")
    End Function

#_default layout
    <html>
        <head></head>
        <body>
            @code
                Html.RenderAction("SignUp", "Account")
            End Code

            @code
                 Html.RenderAction("LogOn", "Account")
            End Code
        </body>
    </html>

#SignUp Action in AccountController

Public Function SignUp() As ActionResult
    Return PartialView()
End Function

<HttpPost()> _
Public Function SignUp(user As UserView) As ActionResult
    If ModelState.IsValid Then
         'some process
         Return RedirectToAction("Welcome", "Home")
    Else
         ModelState.AddModelError("", "Email already taken")
    End If

    Return PartialView(user)
End Function

Basically LogOn Action in AccountController same with SignUp Action

I think I’m stuck with the Return PartialView(user)

I need to return to Index Action in HomeController and maintain the ModelState

Any hint to do this?

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1 Answer

  1. Editorial Team

    I think that usage of prg (POST-REDIRECT-GET) pattern is a good practice, and can help you in managing your problem. The modelState is imported and exported with filters.

    Look at the point no 13 here
    http://weblogs.asp.net/rashid/archive/2009/04/01/asp-net-mvc-best-practices-part-1.aspx#prg

    I think it’s always relevant.

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