[Help] Url rewriting and Images ref

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  • Fransis il Mulo
    #1

    [Help] Url rewriting and Images ref

    I wrote code to manage Urlrewriting in Application_Beg inRequest:

    if (!System.IO.Fil e.Exists(Reques t.PhysicalPath) )
    {
    string sRequestedUrl = Request.Path;
    string sTargetUrl = GetRurl(sReques tedUrl);
    Context.Rewrite Path(sTargetUrl , false);
    }

    GetRurl map real url on virtual url.

    I get a problem with images ref. In the root dir i have a subdir called
    images and in html code I have ref like these:

    <img src="images/img.jpg">
    or
    <body background="ima ges/back.jpg">

    When the code transforms shop/books/one.html in content.aspx?id =123456 I
    obtain an exception due to wrong path (shop/books/images/img.jpg instead
    of images/img.jpg). If a use ref like ~/images/img.jpg I still obtain
    wrong Request.Physica lPath...

    The url of my application is http://MySite/MyApp.


    Can you help me?


    Bye

    Fransis
    Tags: None
    • Fransis il Mulo
      #2
      Re: [Help] Url rewriting and Images ref

      I try to explain:

      In my page i've two tag like these:


      <link href="~/styles/style.css" rel="stylesheet " type="text/css" />

      and

      <body background="~/img/image.jpg" topmargin=0 bottommargin=0>

      the property Request.Physica lPath return a right value

      "c:\\inetpub\\w wwroot\\myApp\\ styles\\style.c ss" and a wrong value

      "c:\\inetpub\\w wwroot\\myApp\\ ~\\img\\image.j pg".

      Why? Can you help me?

        Comment

        • =?Utf-8?B?YnJ1Y2UgYmFya2Vy?=
          #3
          Re: [Help] Url rewriting and Images ref

          the ~path is evaluated at render time only for server controls (those with a
          runat=server). what confusing is that the <head(and any child <link>s) s a
          server control. the <bodyis not a server control automatically.

          if you us a ~path on a non-server control, its rendered as ~path, and thats
          what the browser will send.

          -- bruce (sqlwork.com)


          "Fransis il Mulo" wrote:
          I try to explain:
          >
          In my page i've two tag like these:
          >
          >
          <link href="~/styles/style.css" rel="stylesheet " type="text/css" />
          >
          and
          >
          <body background="~/img/image.jpg" topmargin=0 bottommargin=0>
          >
          the property Request.Physica lPath return a right value
          >
          "c:\\inetpub\\w wwroot\\myApp\\ styles\\style.c ss" and a wrong value
          >
          "c:\\inetpub\\w wwroot\\myApp\\ ~\\img\\image.j pg".
          >
          Why? Can you help me?
          >

            Comment

            • =?Utf-8?B?YnJ1Y2UgYmFya2Vy?=
              #4
              RE: [Help] Url rewriting and Images ref

              you need to set the path relative to what the browser sees. as you are using
              url rewriting you are tricking .net

              take url

              http://mysite/myapp/mypage/fake.htm


              which is rewritten

              http://mysite/myapp/mypage.aspx?id=fake


              now if you use ~/images/image.gif, .net determines the current request is at
              the base dir so it renders:

              src="images/image.gif"

              but the browser sees the before url. so when it requests the image it sends:

              http://mysite/myapp/mypage/images/image.gif


              because to it the base dir is "http://mysite/myapp/mypage"

              you need to url the image requests also, calc the path in your code.

              -- bruce (sqlwork.com)


              "Fransis il Mulo" wrote:
              I wrote code to manage Urlrewriting in Application_Beg inRequest:
              >
              if (!System.IO.Fil e.Exists(Reques t.PhysicalPath) )
              {
              string sRequestedUrl = Request.Path;
              string sTargetUrl = GetRurl(sReques tedUrl);
              Context.Rewrite Path(sTargetUrl , false);
              }
              >
              GetRurl map real url on virtual url.
              >
              I get a problem with images ref. In the root dir i have a subdir called
              images and in html code I have ref like these:
              >
              <img src="images/img.jpg">
              or
              <body background="ima ges/back.jpg">
              >
              When the code transforms shop/books/one.html in content.aspx?id =123456 I
              obtain an exception due to wrong path (shop/books/images/img.jpg instead
              of images/img.jpg). If a use ref like ~/images/img.jpg I still obtain
              wrong Request.Physica lPath...
              >
              The url of my application is http://MySite/MyApp.
              >
              >
              Can you help me?
              >
              >
              Bye
              >
              Fransis
              >

                Comment

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