ASP.Net Web Forms: How to download a file? How to save string to a file?
private void SaveFile(string featureKey) { Response.ContentType = "text/plain"; Response.AppendHeader("Content-Disposition", "attachment; filename=FeatureKey.txt"); if (Response.IsClientConnected) { var buffer = Encoding.ASCII.GetBytes(featureKey); var length = featureKey.Length; Response.OutputStream.Write(buffer, 0, length); } Response.Flush(); Response.End(); }