Asp.net submits and accepts data streams

 

Submit page:

 

Public partial class default2: system. Web. UI. Page
{
Protected void page_load (Object sender, eventargs E)
{

}

Public String webrequest (string URL, byte [] BYT)
{
Httpwebrequest web = (httpwebrequest) webrequest. Create (URL );
Web. method = "Post ";
Web. contentlength = BYT. length;
Stream STR = web. getrequeststream ();
Str. Write (BYT, 0, byt. Length );
Str. Close ();

// Accept the response
Httpwebresponse webresp = (httpwebresponse) web. getresponse ();
Stream STRM = webresp. getresponsestream ();
Streamreader sr = new streamreader (STRM, encoding. Default );
String MSG = Sr. readtoend ();
Sr. Close ();
Webresp. Close ();

Return MSG;
}
Protected void button#click (Object sender, eventargs E)
{
String url = string. Format ("http: // localhost: 52435/website1/default3.aspx? Id = {0} ", 10 );
// Read the file
String filepath = server. mappath (@ "201005121757351752.xls ");
Filestream = new filestream (filepath, filemode. Open, fileaccess. Read );
Byte [] BYT = new byte [filestream. Length];
Filestream. Read (BYT, 0, byt. Length );
Filestream. Close ();
Filestream. Dispose ();
// Output return value
String back = webrequest (URL, BYT );
Response. Write (back );
}
}

 

 

Acceptance page:

 

Public partial class default3: system. Web. UI. Page
{
Protected void page_load (Object sender, eventargs E)
{
// Accept parameters
String id = convert. tostring (request ["ID"]);
If (ID = NULL)
Response. Write ("object is null ");
Else
{
// Accept the data stream to create a file
Stream stream = request. inputstream;
Byte [] BYT = new byte [stream. Length];
Stream. Read (BYT, 0, byt. Length );
String createnewfile = server. mappath (@ "aa.xls ");
File. writeallbytes (createnewfile, BYT );
Response. Write ("create successful! ");
}
}
}