Download and Upload in ASP and C#.NET

Download Code

string filename = "filename from Database";

Response.ContentType = "application/octet-stream";
Response.AppendHeader("Content-Disposition", "attachment;filename=" + filename);
string aaa = Server.MapPath("~/SavedFolder/" + filename);
Response.TransmitFile(Server.MapPath("~/SavedFolder/" + filename));
Response.End();

Upload Code




string FilePath = "";
string[] a = new string[1];
string fileName = "";
string FullName = "";
 
if (FileUploader.FileName.Length > 0)
{
     a = FileUploader.FileName.Split('.');
     fileName = Convert.ToString(System.DateTime.Now.Ticks) + "." + a.GetValue(1).ToString();
     FilePath = Server.MapPath(@"~\SavedFolder");
     Fup1.SaveAs(FilePath + @"\" + fileName);
 
     FullName = FilePath + @"\" + fileName;
     // Database Saved Code
}



Reference

http://www.codeproject.com/Tips/185886/File-Upload-and-Download-in-ASP-NET