download file from the folder

Question

i want to download a fille from folder while download button is click .i need code in asp.net c# language

Joginder Banger · Answer

you have no explain what type of file download....try this code.. protected void Button1_Click ( object sender  EventArgs e ) { const string fName = @ C:\picture.bmp ; FileInfo fi = new FileInfo ( fName ); long sz = fi . Length ; Response . ClearContent (); Response . ContentType = MimeType ( Path . GetExtension ( fName )); Response . AddHeader ( Content-Disposition  string . Format ( attachment; filename = {0}  System . IO . Path . GetFileName ( fName ))); Response . AddHeader ( Content-Length  sz . ToString ( F0 )); Response . TransmitFile ( fName ); Response . End (); }