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;

using System.IO;

using System.Net;

using System.Security.AccessControl;

using System.Security.Principal;

public partial class ACLChange : System.Web.UI.Page

{

//文件夹路径

private string strDir = "images";

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

AddDirectorySecurity();

}

}

/// <summary>

/// 给文件夹添加ASPNET用户

/// </summary>

private void AddDirectorySecurity()

{

DirectoryInfo dirinfo = new DirectoryInfo(Server.MapPath(strDir));

if ((dirinfo.Attributes & FileAttributes.ReadOnly) != 0)

{

dirinfo.Attributes = FileAttributes.Normal;

}

//取得访问控制列表

DirectorySecurity dirsecurity = dirinfo.GetAccessControl();

string strDomain = Dns.GetHostName();

dirsecurity.AddAccessRule(new FileSystemAccessRule(strDomain + "ASPNET", FileSystemRights.FullControl, AccessControlType.Allow));

dirinfo.SetAccessControl(dirsecurity);

}

}