（转）C# 通用上传文件类

（转自）http://www.cnblogs.com/top5/archive/2009/12/31/1637195.html

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Upfile.aspx.cs" Inherits="Inc_Upfile" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>

</head>

<body>

<asp:FileUpload ID="FileUpload1" runat="server" />

<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="上传文件" CssClass="btn2" />

<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label></div>

</form>

</body>

</html>

Upfile.aspx.cs

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class Inc_Upfile : System.Web.UI.Page
...{
protected void Page_Load(object sender, EventArgs e)
...{
//Cut By 梦溪苑。
}
protected void Button1_Click(object sender, EventArgs e)
...{
AllSheng.upload UpFiles = new AllSheng.upload();

//HttpPostedFile File = FileUpload1.PostedFile;
// AllSheng.UploadObj.PhotoSave("/", FileUpload1);
HttpFileCollection files = HttpContext.Current.Request.Files;
UpFiles.Path = "../UpLoadfiles";
String ReStr= UpFiles.SaveAs(files).ToString();
Label1.Text = ReStr;
UpFiles = null;
}

}
}

1、Upfile.aspx：

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Upfile.aspx.cs" Inherits="Inc_Upfile" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
<html xmlns="http://www.w3.org/1999/xhtml"; >
<head runat="server">
<title>上传文件</title>
<link href="../Manage/Style.Css" type="text/css" rel=Stylesheet />
</head>
<body>
<form id="form1" runat="server">
<div style="left: 0px; clip: rect(0px auto auto 0px); position: absolute; top: 0px">
<asp:FileUpload ID="FileUpload1" runat="server" />
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="上传文件" CssClass="btn2" />
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label></div>
</form>
</body>
</html>

Upfile.aspx.cs

}
}