示例代码为Asp.Net MVC程序，仅供参考！
需要引用命名空间：
using
System.DirectoryServices;
Login.cshtml代码：
@{ ViewBag.Title = "模拟域验证"; Layout = "~/Views/Shared/_Layout.cshtml"; }
<
h2
>
模拟域验证
</
h2
>
@using (Html.BeginForm()) {
<
p
>
用户名：@Html.TextBox("UserName")
</
p
>
<
p
>
旧密码：@Html.Password("OldPassword")
</
p
>
<
p
>
新密码：@Html.Password("NewPassword")
</
p
>
<
p
><
input
type
="submit"
value
="登录"
/></
p
>
} @ViewData["Msg"]
cs代码：
[AcceptVerbs(HttpVerbs.Post)] [ValidateInput(
false
)]
public
ActionResult Login(
string
UserName,
string
OldPassWord,
string
NewPassWord) { DirectoryEntry AD
=
new
DirectoryEntry(); AD.Path
=
string
.Format(
"
LDAP://{0}
"
, IPAddress); AD.Username
=
"
domain
"
+
@"
\
"
+
UserName; AD.Password
=
OldPassWord; AD.AuthenticationType
=
AuthenticationTypes.Secure;
try
{ DirectorySearcher searcher
=
new
DirectorySearcher(AD); searcher.Filter
=
String.Format(
"
(&(objectClass=user)(samAccountName={0}))
"
, UserName); System.DirectoryServices.SearchResult result
=
searcher.FindOne();
if
(result
!=
null
) { DirectoryEntry userEntry
=
result.GetDirectoryEntry();
if
(userEntry
!=
null
) {
try
{ userEntry.Invoke(
"
ChangePassword
"
,
new
Object[] { OldPassWord, NewPassWord }); userEntry.CommitChanges(); userEntry.Close(); ViewData[
"
Msg
"
]
=
"
修改密码成功！
"
; }
catch
(Exception ex) { ViewData[
"
Msg
"
]
=
"
操作失败，错误原因：
"
+
ex.ToString(); } } }
else
{ ViewData[
"
Msg
"
]
=
"
操作失败，未知账号或密码错误！
"
; } AD.Close(); }
catch
(Exception ex) { ViewData[
"
Msg
"
]
=
"
操作失败，错误原因：
"
+
ex.ToString(); }
return
View(); }
