不经保存，直接读取上传文件的内容
1
<%@ Page Language="C#" AutoEventWireup="true" %>
2
3<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
4
5<script runat="server">
6
7 protected void btnUpload_Click( object sender, EventArgs e )
8
{
9 if (FileUpload1.PostedFile.InputStream.Length < 1)
10 {
11 Msg.Text = "请选择文件。";
12 return;
13
}
14 string FileName = FileUpload1.FileName;
15 if (FileName.ToLower().IndexOf(".txt") == -1)
16 {
17 Msg.Text = "请选择文本文件。";
18 return;
19 }
20
21 int FileLen = FileUpload1.PostedFile.ContentLength;
22 byte[] input = new byte[FileLen];
23 System.IO.Stream UpLoadStream = FileUpload1.PostedFile.InputStream;
24 UpLoadStream.Read(input, 0, FileLen);
25 UpLoadStream.Position = 0;
26 System.IO.StreamReader sr = new System.IO.StreamReader(UpLoadStream, System.Text.Encoding.Default);
27 Msg.Text = "您上传的文件内容是：<br/><br/>" + sr.ReadToEnd();
28 sr.Close();
29 UpLoadStream.Close();
30 UpLoadStream = null;
31 sr = null;
32
}
33</script>
34
35<html xmlns="http://www.w3.org/1999/xhtml">
36<head runat="server">
37 <title>不经保存，直接读取上传文件的内容</title>
38</head>
39<body>
40 <form id="MengXianhui" runat="server">
41 <asp:FileUpload ID="FileUpload1" runat="server" />
42 <asp:Button ID="btnUpload" runat="server" Text="上传" OnClick="btnUpload_Click"></asp:Button>
43 <p>
44 <asp:Label ID="Msg" runat="server" ForeColor="Red"></asp:Label></p>
45 </form>
46</body>
47</html>
48
<%@ Page Language="C#" AutoEventWireup="true" %>
2
3
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">4
5
<script runat="server">6
7
protected void btnUpload_Click( object sender, EventArgs e )8
{
9
if (FileUpload1.PostedFile.InputStream.Length < 1)10
{11
Msg.Text = "请选择文件。";12
return;13
}14
string FileName = FileUpload1.FileName;15
if (FileName.ToLower().IndexOf(".txt") == -1)16
{17
Msg.Text = "请选择文本文件。";18
return;19
}20
21
int FileLen = FileUpload1.PostedFile.ContentLength;22
byte[] input = new byte[FileLen];23
System.IO.Stream UpLoadStream = FileUpload1.PostedFile.InputStream;24
UpLoadStream.Read(input, 0, FileLen);25
UpLoadStream.Position = 0;26
System.IO.StreamReader sr = new System.IO.StreamReader(UpLoadStream, System.Text.Encoding.Default);27
Msg.Text = "您上传的文件内容是：<br/><br/>" + sr.ReadToEnd();28
sr.Close();29
UpLoadStream.Close();30
UpLoadStream = null;31
sr = null;32
}33
</script>34
35
<html xmlns="http://www.w3.org/1999/xhtml">36
<head runat="server">37
<title>不经保存，直接读取上传文件的内容</title>38
</head>39
<body>40
<form id="MengXianhui" runat="server">41
<asp:FileUpload ID="FileUpload1" runat="server" />42
<asp:Button ID="btnUpload" runat="server" Text="上传" OnClick="btnUpload_Click"></asp:Button>43
<p>44
<asp:Label ID="Msg" runat="server" ForeColor="Red"></asp:Label></p>45
</form>46
</body>47
</html>48
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