1 <％ Response.ContentType = "text/HTML" ％>
2  <％ Response.ContentType = "image/GIF" ％>
3  <％ Response.ContentType = "image/JPEG" ％>
4  <％ Response.ContentType = "text/plain" ％>
5  <％ Response.ContentType = "image/JPEG" ％>
6  <％ Response.ContentType = "application/x-cdf" ％>

1 <％
2 Response.ContentType = "text/plain"
3 Response.write(now()&"会被执行么？")
4 ％>

1 <％
2 Response.ContentType = "application/vnd.ms-excel"
3 Response.write("本页面调试会出现下载对话框提供下载，保存类型为XLS")
4 ％>

1
2  <％
3 dim ramstr
4 ramstr=""
5 set rs=server.createobject("adodb.recordset")
6 sql="XXXXXXXXXXX"
7 rs.open sql,conn,1,3 'conn已定义
8 do while not rs.eof
9 ramstr=ramstr&rs("url")&vbCrLf
10 rs.movenext
11 loop
12 rs.close
13 response.ContentType="audio/x-pn-realaudio"
14 'response.ContentType="audio/x-mpegurl"
15 response.write ramstr
16 ％>

1 private void btnDownload_Click(object sender, System.EventArgs e)
2 {
3 string DownloadFileName=Server.MapPath("file.xls");
4 string filepath = DownloadFileName;
5
6 // Identify the file name.
7 string filename = System.IO.Path.GetFileName(filepath);
8
9 Response.Clear();
10
11 // Specify the Type of the downloadable file.
12 Response.ContentType = "application/octet-stream";
13
14 // Set the Default file name in the FileDownload dialog box.
15 Response.AddHeader("Content-Disposition", "attachment; filename=" + filename);
16
17 Response.Flush();
18
19 // Download the file.
20 Response.WriteFile(filepath);
21 }

1 System.IO.Stream iStream = null;
2
3 // Buffer to read 10K bytes in chunk:
4 byte[] buffer = new Byte[10000];
5
6 // Length of the file:
7 int length;
8
9 // Total bytes to read:
10 long dataToRead;
11
12 // Identify the file to download including its path.
13 string filepath = "DownloadFileName";
14
15 // Identify the file name.
16 string filename = System.IO.Path.GetFileName(filepath);
17
18 try
19 {
20 // Open the file.
21 iStream = new System.IO.FileStream(filepath, System.IO.FileMode.Open,
22 System.IO.FileAccess.Read,System.IO.FileShare.Read);//用文件流来处理
23
24
25 // Total bytes to read:
26 dataToRead = iStream.Length;
27
28 Response.ContentType = "application/octet-stream";//问题就在这里，解决百M关口
29 Response.AddHeader("Content-Disposition", "attachment; filename=" + filename);
30
31 // Read the bytes.
32 while (dataToRead > 0)
33 {
34 // Verify that the client is connected.
35 if (Response.IsClientConnected)
36 {
37 // Read the data in buffer.
38 length = iStream.Read(buffer, 0, 10000);
39
40 // Write the data to the current output stream.
41 Response.OutputStream.Write(buffer, 0, length);
42
43 // Flush the data to the HTML output.
44 Response.Flush();
45
46 buffer= new Byte[10000];
47 dataToRead = dataToRead - length;
48 }
49 else
50 {
51 //prevent infinite loop if user disconnects
52 dataToRead = -1;
53 }
54 }
55 }
56 catch (Exception ex)
57 {
58 // Trap the error, if any.
59 Response.Write("Error : " + ex.Message);
60 }
61 finally
62 {
63 if (iStream != null)
64 {
65 //Close the file.
66 iStream.Close();