Response.Clear();
Response.Charset = "utf-8";
Response.Buffer = true;
Response.ContentEncoding = System.Text.Encoding.UTF8;
Response.AddHeader("Content-Disposition", "attachment;filename=js.js");
Response.ContentType = "application/octet-stream";
Response.Write("<script>alert('aaa');</script>");
Response.End();
Response.Charset = "utf-8";
Response.Buffer = true;
Response.ContentEncoding = System.Text.Encoding.UTF8;
Response.AddHeader("Content-Disposition", "attachment;filename=js.js");
Response.ContentType = "application/octet-stream";
Response.Write("<script>alert('aaa');</script>");
Response.End();