C # File Processing (download and read)

1. Download an object through byte [] Data

  FileDownLoadByByte([] fileData, = = ,  +

 

      LoadFileFromServer( fileName, = ,  +, = = System.Text.Encoding.GetEncoding(

②

   = ,  filename = Server.MapPath(

3. Download an object in the form of a stream

  fileName = ;     filePath = Server.MapPath(    FileStream fs = [] bytes =  [(=     Response.AddHeader(,  +

4. Excel download

Http://www.cnblogs.com/TiestoRay/archive/2013/02/02/2576134.html

 

5. If you use. NET MVC3 (and above), everything becomes simpler.

For example

 filePath = Server.MapPath( File(filePath, , 

It has six Available Forms

FileContentResult File([] fileContents,  fileName,  FileContentResult File([] fileContents,  contentType,  FileStreamResult File(Stream fileStream,  contentType,  FilePathResult File( fileName,  contentType,  fileDownloadName);

6. Read the ftp file to the string

= = ftp += (FtpWebRequest)FtpWebRequest.Create(= = =         reqFTP.Method?=?==  line = (line != =),