Re: change password in active directory by webapplication (vb.net)

From: Sara rafiee (sara_ir110_at_yahoo.com)
Date: 04/26/04 

Date: Mon, 26 Apr 2004 02:51:43 -0700

Hi
this is my error on my code for changing user password in active
directory programmatically
    Inherits System.Web.UI.Page
    Protected WithEvents newpass As System.Web.UI.WebControls.TextBox
    Protected WithEvents btn1 As System.Web.UI.WebControls.Button
    Protected WithEvents username As System.Web.UI.WebControls.TextBox
    Protected WithEvents txt2 As System.Web.UI.WebControls.TextBox
    Protected WithEvents txt1 As System.Web.UI.WebControls.TextBox
    Protected WithEvents btn2 As System.Web.UI.WebControls.Button
    Protected WithEvents oldpass As System.Web.UI.WebControls.TextBox
    Private Sub btn1_Click(ByVal sender As System.Object, ByVal e As
System.EventArgs) Handles btn1.Click
        Dim dom As DirectoryEntry = New
DirectoryEntry("LDAP://Hosnieh_Rafiee", "Hosnieh_Rafiee\admin11", "bbb")

        Dim entry As DirectoryEntry = New
DirectoryEntry("LDAP://Hosnieh_Rafiee", username.Text, oldpass.Text)
        Dim search As New DirectorySearcher(entry)

        Dim result As SearchResult = search.FindOne

        'If entry.Password = oldpass.Text Then
        Dim b As String

        entry.Invoke("setPassword", "newpassword")
        entry.CommitChanges()

        Response.Write(entry.Password)

        Response.Write("successful")

        'Else
        ' Response.Write("your username or password is incorrect")
        'End If
    End Sub

Server Error in '/netaccount' Application.
------------------------------------------------------------

The Active Directory property cannot be found in the cache.
Description: An unhandled exception occurred during the execution of the
current web request. Please review the stack trace for more information
about the error and where it originated in the code.

Exception Details: System.Runtime.InteropServices.COMException: The
Active Directory property cannot be found in the cache.

Source Error:

Line 42: Dim b As String
Line 43:
Line 44: entry.Invoke("setPassword", "newpassword")
Line 45: entry.CommitChanges()
Line 46:
 

Source File: g:\My Documents\Visual Studio
Projects\netaccount\WebForm1.aspx.vb Line: 44

Stack Trace:

[COMException (0x80020006): The Active Directory property cannot be
found in the cache.
]
   System.RuntimeType.InvokeDispMethod(String name, BindingFlags
invokeAttr, Object target, Object[] args, Boolean[] byrefModifiers,
Int32 culture, String[] namedParameters) +0
   System.RuntimeType.InvokeMember(String name, BindingFlags invokeAttr,
Binder binder, Object target, Object[] args, ParameterModifier[]
modifiers, CultureInfo culture, String[] namedParameters) +473
   System.Type.InvokeMember(String name, BindingFlags invokeAttr, Binder
binder, Object target, Object[] args) +29
   System.DirectoryServices.DirectoryEntry.Invoke(String methodName,
Object[] args)
   netaccount.WebForm1.btn1_Click(Object sender, EventArgs e) in g:\My
Documents\Visual Studio Projects\netaccount\WebForm1.aspx.vb:44
   System.Web.UI.WebControls.Button.OnClick(EventArgs e)

System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.Rai
sePostBackEvent(String eventArgument)
   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler
sourceControl, String eventArgument)
   System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData)
   System.Web.UI.Page.ProcessRequestMain()

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