open pdf in another window

[Guest]

Hello,

Response.Clear();
Response.ContentType = "Application/pdf";
Response.WriteFile(Server.MapPath(myFileName));
Response.End();

I am using this to open a pdf file. How can I make sure that this pdf file
is open in another window?
Thanks,

 

[Random]

Response.Clear();
Response.ContentType = "Application/pdf";
Response.AddHeader("content-disposition", "attachment; filename=file.pdf");
Response.WriteFile(Server.MapPath(myFileName));
Response.End();