UserPrincipal.Current.ChangePassword Does Not Update Cached Credentials
Jun 29, 2010
I'm writing a program which assists users update passwords for our windows systems and some other applications. Everything is working except when I call the UserPrincipal.Current.ChangePassword command cached credentials are not updated like they are when you change a password using the windows OS password change.
That is: when a remote user who is VPN'd in uses my application to change passwords, when they reboot and VPN is disconnected, they are forced to login to windows using there old password.
Is there a way I can force windows to update the cached credentials to the new password so upon reboot they are able to login using this new password?
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Jun 1, 2011
I am implementing a system where the user can Reset their password if they have forgotten it.Once it is reset I want to give them the option of changing the password so that it will be something more memorable to them.The password is hashed and if i enter in the correct old password and new password the password does change.If I enter in the wrong old password and new password the password doesnt change.Is there a way to match the old password with the old password field in code behind so I can throw up an error to the user to tell them what is wrong? [code]
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Mar 29, 2009
Is there a way to obtain the current user credentials that are being used for VPN access? [code]
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Aug 8, 2011
Question: How to pass the current user on the web page from the IIS server to the Reporting Services Server.I have seen this topic throughout the forums. However, the answers are always hard code the user in web.config - use a login window and pass those fields to the IReportServercredentials or create one user for everyone.
When the person who asks the question comes back and says that doesn't work there is not answer.Does anyone know how to do this? I have VS 2008 ( and 2010 ) I am sending the info to SSRS 2005 server.As anyone using SSRS knows that if the reports have parameters and udf behind the report to inspect who the user is, then you have to pass that user to the report.
[Code]...
I have been programming steady with vb.net for a year now and was all happy about using the List view and email etc from web sites. I even used a reportviewer to pdf to email attach, cool. Now I feel quite lost and realize I have not been using properties, etc. That is my background.
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Nov 20, 2011
I'm developing a web application that requires the user to log in using forms authentication. inside the webpage you need to download a desktop application that requires to login to the same system too. Is there a way to transfer the current logged credentials from the web application to the windows desktop application without need to login again?. Both applications shares a Login object from an vb.net interface.I tried to save the IP address in the Database but that don't work for me because the website needs to be accessed inside and/or outside of the company and the user cannot login twice in different machines.
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Jul 31, 2009
Is it possible to use the IADsUser method ChangePassword from and non-domain XP Home machine? I am able to access the user in AD by using the following method, from both a domain PC and a non-domain PC that's on the network.
[Code]...
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Feb 14, 2012
I'm writing a simple function to verify if a given user or group exists in my domain, here is the code:
Dim ctxDomain As New PrincipalContext(ContextType.Domain)
Dim upX As UserPrincipal
upX = UserPrincipal.FindByIdentity(ctxDomain, IdentityType.SamAccountName, strUser[code].....
if I pass a user the function works well if I pass a group the function return always false, why?
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Jan 20, 2011
I need some help keeping a DataGridView at the current row while being updated. I have about 140 rows of data that is being update with engineering data every 100 msec.
If the user is looking at a row 80, the slider is in the middle, when my LoadDt() runs to update with the latest data, the grid jumps back to row 1. I tried getting the first cell displayed and setting that back when done but this is not working.[code]...
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Mar 5, 2012
I'm doing small system using database 03. I had function to add data into a comboBox. When i add a new data into the the same field using another form, then back to the main Form the comboBox does not update the current data in database..
Codes i tried:
'Form Load
Private Sub FrmMain_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[CODE]...
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May 29, 2009
How would i make my program update the changes made to the current document. And if it hasnt been saved yet make it show my save as dialog?
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Nov 12, 2010
I have an editable datagridview that's been databound with dataadapter and datatable, and a normal button on a form. When i edit the dgv's cells and click the save button it fires the datagridview_cellvalidating event and if the cell validation is correct it updates and saves the current record to the datasource. Also, before save it commits change in any cell under editing. But when I use a toolstripbutton to do the same work, though it saves the dgv records but doesn't update the current change i.e. it saves the old records that are being fetched when the dgv was populated first during form load. Also, clicking the toolstripbutton doesn't fire datagridview_cellvalidating, datagridview_rowvalidating etc events. What it seems to be is it's not committing the change in any cell under editing. [Code]
Why isn't it happening and how can I make it work? how can I fire datagridview_ cellvalidating, datagridview_rowvalidating and other events; and commit cell value change by clicking toolstripbutton.
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Feb 17, 2011
I have created a service that will update a table. <foxpro to mysql>Before the update it will delete all the data in a table<mysql> and then insert the record from the dataset<from foxpro> one by one.I have more than 5000 records and it is very time consuming, now I would like to ask for some idea if there is a way in vb.net to only insert the data that have been recently added to the table<in foxpro> to mysql table. Is it possible in vb.net to know what has been added in the table?
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Mar 31, 2010
I'm working on a VB.Net windows application.In the top half of the form application, I have a vendor number with a "GO" button and in the bottom half I have a list of tab pages. We have built the application to only go to the database and display data when the tab page is selected by the user. If I'm in one of the tab pages, and I change the vendor number and click the GO button, the data on the current tab page goes blank (it does not refresh). I have been told that I have to find a way of programmatically clicking on the tab page's tab a second time. How do I do that? I've tried using _Selected event, _Selecting event, _Click event. I've even tried to do a .Focus() on the tab page itself. Nothing seems to work to reload the new data without clicking off of the tab and back onto it manually.
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Jun 28, 2011
I have a windows form where I want the time to constantly be updated. Right now it will take the current time from when the program was started.
For example, if I started the program at 4:30:29 PM that is what it will show the whole time the program runs.I need it to constantly be updated as the seconds tick by. So, If I started the program at 4:30:29 PM and ran it for exactly 5 minutes, the time displayed then should be 4:35:29 PM.The data being taken in and saved needs a time associated with it and the end user also need to know the current time as the program is ran in full-screen. [code]...
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Nov 16, 2006
how I can develop an Auto update for my application? I know how to download the new file but how can I delete the current file and replace it with the new at the moment that the old file is running?
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Nov 10, 2011
I am currently aiming to implement a read-only role provider for an ASP.NET application based on domain security groups using the utilities in the System.DirectoryServices.AccountManagement assembly. I have the following piece of code which works fine on my development domain, but fails in the deployment environment:
Using myContext As New PrincipalContext(ContextType.Domain, Nothing, "DC=My,DC=Controller", accountName, accountPassword)
Try
Dim p As UserPrincipal = UserPrincipal.FindByIdentity(myContext, IdentityType.SamAccountName, userName)
[code]....
I know the obvious "gotcha" here is to be certain the object actually, well... exists on the server. However, I can confirm without a doubt that no matter which account's SAM Account Name I use, I receive the same result from the call. Additionally, Microsoft's ActiveDirectoryMembershipProvider has no trouble authenticating against the same SAM Account Name and I am able to find the object using that information with the DirectorySearcher class. The only differences I can identify between the development network and deployment is that the deployment environment's DC is a Windows Server 2003 box, whereas locally I am developing with a Windows Server 2008 DC. What might I be overlooking?
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Jul 26, 2011
I know that the .Contains method on a hashset is fast. My question is what is the best method for getting the hashset data before repetitively using the .Contains method?
I can think of 2 options. Both of these examples would be called in a loop of undetermined length.
1) Call the method that returns the cached hashset directly and use the .Contains method.
IF (GetHashSetMethod.Contains("TESTVALUE") THEN BLAH, BLAH, BLAH...
2) Create a new hashset outside of the loop and load the cached hashset data into it so the method that returns the hashset is only called once, then use the .Contains method.
DIM HashTest AS HASHSET(OF String) = GetHashSetMethod
Then in loop:
if (HashTest.Contains("TESTVALUE") THEN BLAH, BLAH, BLAH...
I have been using method 1. Should I even think about switching to method 2? Is there a 3rd option I haven't even thought of? Does it even matter because the data is cached to begin with?
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Jun 10, 2010
I have a rather large project that several developers access via MS SourceSafe. The issue at hand is the ToolBox lists many, thirty plus, items that start Cached.(the name that follows Cached is the name of a class or Cyrstal Report in the project. There are also many items listed, they have the same "gear" icon, without the word Cached prefix on the class name.
My question is, how can I get these items out of the ToolBox so they never come back?
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Jan 17, 2010
Is the size of Lists cached in some way (calculated the first time you call it, and then retained untill some change is made to it), or does it get calculated every time you call the Count property? Same question for arrays.
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Sep 23, 2009
I've got a very simple data structure. I'm using SQLExpress with Linq2SQL and vb.net
**ParentClass**
parentId
name
[code].....
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Jan 31, 2012
I've been working on my own web browser for a few years now using the webbrowser control in VB.Net.The following routine allows me to pull images on a web page that are stored in the cache:
Private Function GetCachedURLPath(ByVal lpszUrl
As String)
As Boolean
[code]....
This routine has worked well for me, but there are some pages where it is unable to pull the image from the cache. What discovered is that when a web page host images on a different server than the page hosting server, the images get stored in the cache with the address from the image server instead of the src address listed in the IMG tag. Given that I am using the URL from the src in the IMG tag, the routine fails to provide a return path.In most instances reloading the page puts the image into the cache with the same address as the scr record. It was fairly easy to write a routine that automatically reloaded the page when I could not find the image in cache, but one of the things I want to address in my latest revision is this issue.
I have a routine that allows me to run through all of the URL's for the files stored in the internet cache and using that I can figure out the correct URL for a picture, but this seems to me to be about as cumbersome as reloading the page and can be time consuming if the page has a lot of images.I can cut down on the time if I modify the routine to only run through the list on exceptions, but this just seems inefficient to me, especially since I have to make an assumption about what part of the image URL's are the same. What I'd like to do is to track the sources of the images as the web page is being drawn so that I have a listing of all the real source URL's for the images instead of having to rely on what is referenced in the src attribute.
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Sep 20, 2011
I have a DropDownList in MVC which grabs a SelectList initialized and populated by a controller. The goal of the specific page that said list resides on is to reply "You have selected option X" immediately to the user without refreshing (using Ajax).The problem I'm running into is that for some odd reason, while the dropdown renders properly and even posts back correctly, any attempts to add new options or modify previous response messages are in vain.
My View:
<script type="text/javascript" src="../../Scripts/MicrosoftAjax.js"></script>
<script type="text/javascript" src="../../Scripts/MicrosoftMvcAjax.js"></script>
[code].....
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Mar 24, 2010
I have a asp.net web forms app that uses System.Web.Caching.Cache to cache xml data from a number of web services for 2 hours.
webCacheObj.Remove(dataCacheKey)
webCacheObj.Insert(dataCacheKey, dataToCache, Nothing, DateTime.Now.AddHours(2), Nothing)
Every 90 minutes a Microsoft Search Server hits a particular (spider) page which calls the code to put the objects into the cache.The issue i have is that over a period of time, the memory usage of the application grows exponentially. Lets say that in a week, the memory usage of the application pool grows to over 1gb
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Jan 13, 2012
I have a relatively simple piece of code as follows:
Dim oShow As DataSet = Nothing
Dim cacheKey As String = String.Format("AsyncCacheFor_agenda_{0}", ShowID)
If Not IsNothing(Cache(cacheKey)) Then
[code].....
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May 7, 2009
I have a program I wrote that copies select files from one remote computer to another.
The set up I for testing is, one computer(a) at home running the program connected to my work's network via VPN and two computers(b,c) at work side by side on the same network. I am trying to copy the files on computer b to computer c, while the program is running on computer a.
The only thing wrong with this is, the files seem to be caching to a temp folder on computer a then going to computer c. When it should be going straight from computer b to computer c. Is there a way to keep the files from trying to cache on the computer running the app?
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Mar 7, 2010
I have an ASP.NET project which is a front-end to a database. In addition to the large tables, the DB contains a few small tables to help normalize the larger tables with common values. I have a VB.NET project which loads the smaller tables into memory, using "Shared" (i.e., "static" in C#) member variables, and uses them. I have a call to load the tables in Global.asax - Application_Start. This works for a while. That is, Application_Start runs when I first run my project, loads the cached values, and will correctly keep them in memory for a while.
What I'm seeing (when running my project via Visual Studio 2008 Debugger, hosted locally) is:
A) The Application_Start code will run more than once. Not in a row, but after the user has navigated to some other pages, I'll see (my breakpoint in) another call to initialize the cache, coming form Application_Start. Is it expected?
B) The "Shared" variable that was set to True when the cache was initialized is now False again (which should only happen when the class is first loaded). Similarly, all the data that was chached is no longer present. That is, it looks like VB is unloading all the Shared members. Is this expected?
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Jun 6, 2010
In an ASP.NET 3.5 VB web app, I successfully manage to cache an object containing several personal details such as name, address, etc. One of the items is CreditNum which I'd like to change in the cache on the fly. Is there a way to access this directly in the cache or do I have to destroy and rebuild the whole object just to change the value of objMemberDetails.CreditNum?The cache is set using:
Public Shared Sub CacheSet(ByVal key As String, ByVal value As Object)
Dim userID As String = HttpContext.Current.User.Identity.Name
HttpContext.Current.Cache(key & "_" & userID) = value
End Sub
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Jan 9, 2012
i am caching objects, if i make linq queries on cached entities then... will theses queries make database round trip due to lazy loading in Entity framework?
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Apr 28, 2011
This has been driving me insane all day and I think I have the problem narrowed down, but it just doesn't make sense how it could be happening. I have 2 public shared functions and 2 private shared functions. One provides a list of custom objects and one filters the objects based on some parameters in the function call. Both return List(of custom object). The 2 private shared functions are the predicate functions used in the List(of t).RemoveAll function.
[Code]...
Now, the next time I call the GetItemList function it only returns 50 item objects, not the 100 item objects that it should be returning due to the cache being set! I have verified this in the debugger and by running many, many different tests to see what combinations of parameters may be causing the problem. In my testing, as soon as one of the .RemoveAll functions is used the GetItemList item list will get set to whatever the NarrowItemList function returned.
Even if the cache wasn't being set correctly, shouldn't it just get the data again from the database and return 100 items again? What could I be missing???
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Aug 18, 2011
Is there a way to work the web browser control for viewing off-line (Cached web pages) only? Is it possible to view cached web pages from IE9 on a web browser control off-line? The reason i am asking this question is because IE9 automatically switches from off-line mode to on-line mode when it cannot find something in the cache by default. For forensic purposes this is not acceptable for these reasons: Active content (Viruses, java script, activex cookies etc)
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