Hi,
Create an ASPX file, called download.aspx. This file takes a file name as a parameter, and returns the contents of that file in the response stream.In your case the resume itself. On downanload.aspx.cs Page_Load event use this code below
Response.ContentType = "application/msword";
Response.AppendHeader("Content-Disposition","attachment; filename=resume.doc");
Response.TransmitFile( Server.MapPath("~/resume/1.doc") );
Response.End();
This will prompt user to download the requested file.The ContentType header which is added, sets your MIME type so that the browser knows what kind of file this is.For example, if you are serving an MS Word file for resume, this would be "application/msword". Octet-stream. You will get list of different Content Type
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Hope this will help.