I was surfing the web, and I found a site that opens a PDF file in a new page, so I thought I'll share the method of how to that with everyone :)

In the main page add this line:
{
Response.Write("<script>window.open('frmReport.asp x?r=frmReport.aspx,'_new');</script>");
}

Where frmReport.aspx is the name of the form in which you will open the file and frmReport.aspx is the name of the file, which of course you can read dynamically.

Now in the frmReport.aspx ad the following code in the Page_Load.

protected void Page_Load(object sender, EventArgs e)
{
        string strFileName = Request.QueryString["r"];

        Response.ClearContent();
        Response.ClearHeaders();
        Response.ContentType = "application/PDF";
        Response.WriteFile(strFileName);
        Response.Flush();
        Response.Close();
        Session.Remove("Report");

}

Notice that the name of the file is sent through the URL.

Hope this will help someone in need :p


Nothing is impossible. The impossible only takes longer. "Digital Fortress, Dan Brown"

__________________
Nothing is impossible. The impossible only takes longer. \"Digital Fortress, Dan Brown\"

as a little enhancement to the code i wrote before, replace
{
Response.ContentType = "application/PDF";
}
with
if (strFileName.Substring(strFileName.IndexOf('.') + 1).ToLower() == "pdf")
{
   Response.ContentType = "application/PDF";
}
else
   if (strFileName.Substring(strFileName.IndexOf('.') + 1).ToLower() == "doc")
   {
      Response.ContentType = "application/msword";
   }
   else
      if(strFileName.Substring(strFileName.IndexOf('.') + 1).ToLower()== "xls")
      {
         Response.ContentType = "application/vnd.ms-excel";
       }
  else if (strFileName.Substring(strFileName.IndexOf('.') + 1).ToLower() == "ppt")
       {
           Response.ContentType = "application/vnd.ms-powerpoint";
       }

of course you can use switch statement, send the extension in the URL, use any other file types, but you should always match the extension with the contentType.

Nothing is impossible. The impossible only takes longer. "Digital Fortress, Dan Brown"

That topic was quite useful! :D

I'd like to add some extra information:

To show a txt file:
Response.ContentType = "text/plain";

And to show a image

            byte[] blob = class.atBlob;
            FileStream fs = new FileStream("atBlob", FileMode.OpenOrCreate);
            fs.Write(blob, 0, blob.Length);
            Bitmap myBitmap = new Bitmap(fs);
            fs.Close();
            Char[] integer = { ',', '.' };
            int width = Int32.Parse(myBitmap.PhysicalDimension.Width.ToStr ing().TrimEnd(integer));
            int height = Int32.Parse(myBitmap.PhysicalDimension.Height.ToSt ring().TrimEnd(integer));
            Bitmap myThumbNail = new Bitmap(myBitmap, width, height);
            Response.ContentType = "image/jpeg";
            myThumbNail.Save(Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg);


if you do intent to open a notepad file or an image in thy page, you should take it in consideration.