如何在asp.net中生成和下载.imp文件，我应该使用哪种MIME类型？

Question

 using System; using System.Text; using System.IO; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace QCSL { public partial class ImpDownload : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { //Getting the Id int id = Convert.ToInt32(Request.QueryString["id"].ToString()); // Generating the file string fname = Guid.NewGuid().ToString() + ".IMP"; string TgFile = Server.MapPath("~/downloads/") + fname; BinaryWriter fs = new BinaryWriter(File.Open(TgFile, FileMode.Create)); string header = "<Version>'12001','1'</Version>\\n"; string Body = ""; string BodyH = "<Salinvoice>\\n"; string BodyF = "</Salinvoice>\\n"; //Generating the Content body string custid="*"; string invnum="*"; string invdate="*"; string invamount="*"; string tax="*"; string BodyC = "'"+custid+ "',',',',',',',',','\\n'1', ,'" + invnum + "','" + invdate + "','0', ,'.00','0','1','0','1','5','.00'\\n'90000','1.0000','" + invamount + "','" + invamount + "','1','0','1','5','" + tax + "'\\n"; Body = BodyH + BodyC + BodyF; fs.Write(header + Body); fs.Flush(); fs.Close(); fs.Close(); // downloading the file Response.ContentType = "application/imp"; Response.AppendHeader("Content-Disposition", "attachment; filename=" + fname); Response.TransmitFile(Server.MapPath("~/downloads/" + fname)); Response.End(); //this.ClientScript.RegisterClientScriptBlock(this.GetType(), "Close", "window.close()", true); } } } 

I am using the following code to generate and download .imp file.I do not now what ContentType should I use however code is working fine. Any help will be appreciated very greatly. I have also added source file. [![enter image description here][1]][1]

Answer 1

There is no specific type defined for IMP file, you can use application/octet-stream or application/unknown .

if your file is of type Simply Accounting - Data Import then use application/vnd.accpac.simply.imp . You can get all the list of mime type here