how can i create link in asp.net webforms please help

Question

how can i create download link in asp.net webforms value of datacomes from datarow and file is stored in file in server

some times

pleae its emegency n i used some things like

Response.ContentType = "Application";

Response.AppendHeader("Content-Disposition", "attachment; filename='"+filer+"'");

Response.TransmitFile(Server.MapPath("../MyFiles/" + filer));

Response.End();

 

 

not working