How to rectify response.redirect to https in url if the request.url is http locally under Global.asax?

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C#2.0

C#

ASP.NET

How to rectify response.redirect to https in url if the request.url is http in local?
Following is my code under Global.asax

if (pageRequest.Scheme == "http" && pageRequest.Host.ToString()!="localhost"  && requestPath.Contains(".aspx"))

    {
       Response.Redirect("https://" + pageRequest.Host + pageRequest.PathAndQuery, true);

           }