C#从数据库中下传上载附件功能
日期：2014-05-16 浏览次数：20553 次
C#从数据库中上传下载附件功能
Page代码：
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Demo1.aspx.cs" Inherits="order.Demo.Demo1" %>
<!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>Demo1</title>
<script type="text/javascript" src="../js/jquery-1.6.2.min.js"></script>
<script type="text/javascript" src="../js/Global.js"></script>
<script type="text/javascript" src="../js/Calendar.js"></script>
<link type="text/css" rel="Stylesheet" href="../css/Default.css" />
</head>
<body>
<form id="form1" runat="server">
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
BackColor="White" BorderColor="#E7E7FF" BorderStyle="None" BorderWidth="1px"
CellPadding="3" GridLines="Horizontal" Width="100%"
onrowdatabound="GridView1_RowDataBound"
onrowcommand="GridView1_RowCommand" CssClass="text">
<RowStyle BackColor="#E7E7FF" ForeColor="#4A3C8C" />
<Columns>
<asp:TemplateField HeaderText="选择">
<ItemTemplate>
<input ID="RadioLine" name="RadioLine" type="radio" value="<%#Eval("accessory_id")%>" />
</ItemTemplate>
<ItemStyle HorizontalAlign="Center" />
</asp:TemplateField>
<asp:BoundField DataField="accessory_id" HeaderText="附件ID" />
<asp:BoundField DataField="order_header_id" HeaderText="订单ID" />
<asp:BoundField DataField="accessory_name" HeaderText="附件名称" />
<asp:BoundField DataField="accessory_description" HeaderText="附件说明" />
<asp:BoundField DataField="creation_date" DataFormatString="{0:d}" HeaderText="创建日期" />
<asp:BoundField DataField="created_by" HeaderText="创建人" />
<asp:BoundField DataField="accessory_size" HeaderText="文件大小" />
<asp:BoundField DataField="accessory_type" HeaderText="文件类型" />
<asp:ButtonField CommandName="DownItem" HeaderText="下载" ShowHeader="True" Text="下载" >
<ItemStyle HorizontalAlign="Center" />
</asp:ButtonField>
<asp:ButtonField CommandName="DelItem" HeaderText="删除" ShowHeader="True" Text="删除" >
<ItemStyle HorizontalAlign="Center" />
</asp:ButtonField>
</Columns>
<FooterStyle BackColor="#B5C7DE" ForeColor="#4A3C8C" />
<PagerStyle BackColor="#E7E7FF" ForeColor="#4A3C8C" HorizontalAlign="Right" />
<SelectedRowStyle BackColor="#738A9C" Font-Bold="True" ForeColor="#F7F7F7" />
<HeaderStyle BackColor="#4A3C8C" Font-Bold="True" ForeColor="#F7F7F7" />
<AlternatingRowStyle BackColor="#F7F7F7" />
</asp:GridView>
<asp:FileUpload ID="FileUpload1" runat="server" ToolTip="附件上传" />
<asp:Button ID="BtnUpload" runat="server" Text="上传" OnClick="BtnUpload_Files" />
<input type="hidden" id="hidden_id" runat=server/>
</form>
</body>
</html>
<script language="javascript" type="text/javascript">
// 注销
function fn_DelItem(cellstring) {
if (!confirm("确定要删除附件吗?")) {
return false;
}
return true;
}
// 注销
function fn_DownItem(cellstring) {
return true;
}
</script>
?C#代码：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Text;
using System.IO;
using System.Data.OracleClient;
using order.Com
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