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POReuse postback data in HttpModule
 

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  1. POReuse postback data in HttpModule
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    <p>I have a custom HttpModule, which handles if a user need to pay a invoice. If the user has made a postback, but is "caught" in the invoice section of my HttpModule, I would like to repost the original postback, that the user made, after the invoice has been paid, so the user does not have to start over.</p> <p>Example:</p> <ol> <li>The user fill out a form and submit it to the server</li> <li>The HttpModule identifies that the user has an unpaid invoice, and redirects the user to the payment page</li> <li>The user pays the bill</li> <li>The original post from point 1 is reposted and the user can continue </li> </ol> <p>I've tried saving the HttpContext (from HttpContext.Current) in the session state and setting HttpContext.Current to the value in the session, when the bill has been paid, but it does not work. </p> <p>Is it possible to reuse a postback after the HttpModule has interrupted the normal flow?</p> <p>My HttpModule looks like this: class UnpaidInvoiceHttpModule : IHttpModule { private HttpApplication cHttpApp;</p> <pre><code> public void Dispose(){} public void Init(HttpApplication context) { cHttpApp = context; context.PreRequestHandlerExecute += new EventHandler(CheckForUnpaidInvoices); } private void CheckForUnpaidInvoices(Object s, EventArgs e) { if (HttpContext.Current.Request.Path.EndsWith(".aspx") || HttpContext.Current.Request.Path.EndsWith(".asp") || HttpContext.Current.Request.Path == "/") { if (HttpContext.Current.Request.Path != "/login.aspx" &amp;&amp; HttpContext.Current.Request.Path != "/Payment/Default.aspx" &amp;&amp; HttpContext.Current.Request.Path != "/Payment/Default_notice.aspx" &amp;&amp; HttpContext.Current.User != null) { if (HttpContext.Current.User.Identity.IsAuthenticated) { CustomUser mUser = ManagerSecurity.SecurityAPI.GetUser(); if (mUser.HasUnpaidInvoices) { HttpContext.Current.Session["prepaymentHttpContext"] = HttpContext.Current; HttpContext.Current.Response.Redirect("/Payment/Default.aspx"); } else { if (HttpContext.Current.Session["prepaymentHttpContext"] != null) { HttpContext.Current = (HttpContext)HttpContext.Current.Session["prepaymentHttpContext"]; } } } } } } } </code></pre>
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    1. USSteffen Jørgensen
    1. USSteffen Jørgensen
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      1. USSteffen Jørgensen
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    1. COIsn't it possible to save the user filled data in the session and after the payment page processing is complete, you can use this session data for further processing?
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      1. USKrishna
    2. CO@Krishna That's what I've tried to do, but I can't seem to get it to work. Maybe I'm doing it wrong? I've tried doing this way: `if (HttpContext.Current.Session["prepaymentHttpContext"] != null) { HttpContext.Current = (HttpContext)HttpContext.Current.Session["prepaymentHttpContext"]; }`
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      1. POReuse postback data in HttpModule
      1. USSteffen Jørgensen
    3. CODo you really hit the line with `HttpContext.Current = (HttpContext)HttpContext.Current.Session["prepaymentHttpContext"];`? I'm thinking the redirect makes a new client post to the "/Payment/Default.aspx"-page and you never save the current session. In the if-block I would save the data in a session and then make a server transfer to the payment page. *Server transfer just because the redirect is unnecessary.
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      1. USMagnus Karlsson
 

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