Redirect from HTTP to HTTPS in ASP.NET

Here’s a simple way to redirect a user from HTTP to HTTPS. I have tested a few scenarios with the code and it has worked fine. Let me know if you face any issues with the code

C#

protected void Page_Load(object sender, EventArgs e)
{
        if (!Request.IsSecureConnection)
        {           
            UriBuilder uri = new UriBuilder(Page.Request.Url);
            uri.Scheme = Uri.UriSchemeHttps;

            // Redirect to https
            Response.Redirect(uri.ToString());
        }
}

VB.NET

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
        If Not Request.IsSecureConnection Then
            Dim uri As New UriBuilder(Page.Request.Url)
            uri.Scheme = Uri.UriSchemeHttps

            ' Redirect to https
            Response.Redirect(uri.ToString())
        End If
End Sub

The IsSecureConnection property of the HttpRequest class gets a value indicating whether the HTTP connection uses secure sockets. Is not, the uri scheme is changed to https and the user is redirected

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About The Author

Suprotim Agarwal, ASP.NET Architecture MVP works as an Architect Consultant and provides consultancy on how to design and develop Web applications.

Suprotim is also the founder and primary contributor to DevCurry, DotNetCurry and SQLServerCurry. He has also written an EBook 51 Recipes using jQuery with ASP.NET Controls.

Follow him on twitter @suprotimagarwal