using System;
using System.Data;
using System.Configuration;
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;
using System.IO;
public partial class _Default : System.Web.UI.Page
{
int i = 0;
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
int s=fw1.FileName.LastIndexOf('.');
string type = fw1.FileName.Substring(s);
string name = fw1.FileName.Substring(0,s);
bindname(name,name,type) ;
}
void bindname(string m,string n,string t) {
if (File.Exists(MapPath("pic\\") + m+t))
{
i++;
m = n + "(" + i + ")";
bindname(m,n,t);
}
else
{
fw1.PostedFile.SaveAs(MapPath("pic\\")+m+t);
}
}
}
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:fileupload ID="fw1" runat="server"></asp:fileupload>
<asp:Button ID="Button1" runat="server"
Text="Button" OnClick="Button1_Click" />
</div>
</form>
</body>
</html>
