Security :: How To Logged In Another Membership Provider Get Null Error When ProviderUserKey Is Called
Jan 28, 2010
If I log in different membership provider, and go to page that contains following code, I get NullReferenceException error. User will be authenticated even if I loggin to different membership.
Is there any ways to prevent from getting error??
If User.Identity.IsAuthenticated Then
Dim UserIdentity As MembershipUser = Membership.Providers("CustMembershipProvider").GetUser(HttpContext.Current.User.Identity.Name, False)
Dim currentUserID As String = UserIdentity.ProviderUserKey.ToString()
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Similar Messages:
Jan 5, 2011
If I log in to default membership provider, I don't get null on getReviewUserIdentity.ProviderUserKey.
However, if I log in non-default membership provider, I get null error although I'm authenticated.
Do I have to specify membership provider in order to use getReviewUserIdentity.ProviderUserKey??
Dim reviewUserID As String
If User.Identity.IsAuthenticated Then
Dim getReviewUserIdentity As MembershipUser = Membership.GetUser()
reviewUserID = getReviewUserIdentity.ProviderUserKey.ToString()
Else
reviewUserID = 0
End If
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Nov 18, 2010
I've created custom membership provider and it is more convenient for me to operate on MembershipUser.ProviderUserKey rather than UserName. So, to retrieve ProviderUserKey I perform such code:
if (User.Identity.IsAuthenticated)
{
int UserID = (int)Membership.GetUser(User.Identity.Name).ProviderUserKey;
}
However, when GetUser() method is executed, user data must be retrieved from database and this is bugging me. This is unnecessery waste of server time, no matter how short this time is, I would like to avoid it. Is there any other way to get ProviderUserKey in a more convenient way, like in User.Identity.Name case? I would like to hear your ideas. How do you solve this problem on your webpages?.
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Jan 10, 2011
I have an application that has been running for about 1.5 years. Suddenly, I got a bug report that the support team are receiving an InvalidCastException in the User ManagerUnable to cast object of type 'System.Guid' to type 'System.String'. The line this appears to be happening on is:
string queryStringID = Session["EditID"].ToString();
Guid providerUserKey =
new
Guid(queryStringID)
MembershipUser user =
Membership.GetUser(providerUserKey);
<--- here
This is a rather strange error as the value of the queryStringID is in fact a Guid generated by the Membership.GetUser(UserName).ProviderUserKey on the previous page. It doesn't seem to make any sense at all. I'm using the built-in SqlMembershipProvider with no changes. It's as if it isn't picking up that it should be using the overloaded function Membership.GetUser(object providerUserKey)Anyone else ever seen anything like this? I wouldn't normally post here unless I was absolutely stuck but I can't seem to find any relevant information by Googleing this one. Also, it's just started doing this. There was never an issue before. Very strange
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Mar 11, 2010
I've create a custom membership provider
[Code]....
and on web.cofig file
[Code]....
and I tried also
[Code]....
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Jan 5, 2011
This is my first membership provider; I converted the sample provider [URL] to SQL. I created a vb class provider and put it into the App_Code folder. After it was created I tried to modify my webconfig but the error pops up. I don't know what else to try, I don't know if I have missed something
webconfig:
[code]....
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Jul 27, 2010
I am trying to build an application that
1. user can login by their AD account and password.
2. AD account can be assigned to different group.
I know there is a training video - [URL] to teach how to use the tool to provision the membership schema to SQL server for Forms authentication. but how can I use AD authentication with this?
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Dec 1, 2010
i have implemented custom role provider and membership provider .
login page : SignIn.aspx
on successful login it redirects to (index-Homepage.aspx)
now PROBLEM is when it successfully logged in ,and redirects to 'index-Homepage.aspx' it gives Anornymoustemplate ..while its verifying the role correctly in index-Homepage.aspx.cs
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Dec 1, 2010
1 - whats the difference between Role Provider and Membership provider ??
2- If we implement Custom Role Provider or Custom Membership provider then what does this means ? and which Provider do we use when we apply custom role provider or custom membership provider
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Mar 27, 2010
i'm building an application and i need to manage roles, users and more things so i tought to use the membership provider but i have some questions about it: can i full extend it and can i override the functions to use a database table to store infos about config or i need to build my own provider?
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Jul 2, 2010
I used [URL] as a guide and have something configured to show me the users which are logged into the system. This uses the aspnet_Users.LastActivityDate column to see when someone last did something on the system. It also uses the userIsOnlineTimeWindow within the web.config to determine whether a user is online or not.
But because of this userIsOnlineTimeWindow limitation of .NET, even when someone logs out of the system or closes their browser window, the system still sees them as being online. Also, if they are on a page and don't do anything for 10 minutes, the system will show them offline until they refresh their page or go to another page. know of a better, more real-time way to tracking users which are logged in, logged out, etc?
I don't want to wait 10 minutes for the system to show that a user is offline and also if there's 10 minutes of inactivity, it shows them being offline.
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Dec 13, 2010
I am using SQL Membership Provider to create user accounts for my web site and for some reason, the CreateDate and LastLoginDate fields are NOT saving the current time of my machine when I add a new user to the website. It is showing the previous day's date and the time is displayed as PM when it's AM and vise-versa in the CreateDate and LastLoginDate fields in aspnet_Membership table. I am developing and running the website via localhost on my laptop using IIS 7 (Windows 7). Does this have anything to do with my laptop's clock settings or is there something I need to configure in the web.config file or in IIS.
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May 9, 2010
I Have an asp.net application in which i have used asp.net membership for authentication. Wat i need is , i need to check whether user is already logged inn. If user logged in , in a computer ... At the same time same user logged inn from another computer , then for the second time logged inn , a message should be displayed Already logged inn
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Feb 18, 2010
to allow admin to log into a members account in the ASP.NET 2 Membership provider and not change the lastlogindate field?
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Sep 1, 2010
I have more problem in costomize membership provider, i did download the code in c# from videos tutorial, that code have Membership provider class. but i am unable to use that class. how i will use it.
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Feb 23, 2011
am having an argument at work on the asp.net membership provider.One of my colleagues says we should modify the tables and add our own custom columns, and i prefer we create additional tables and add relationships.
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Jan 4, 2010
Im learning how to use the SqlMembershipProvider. I want to use my google mail account to send the automatic mail message like for example to recover passwords.
I have this in my web-config
<system.net>
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Mar 16, 2010
Server Error in '/' Application. Default Membership Provider must be specified. 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.Configuration.Provider.ProviderException: Default Membership Provider must be specified. Source Error:
[Code]....
Stack Trace:
[Code]....
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Jul 3, 2010
I have a website with asp.net membership, and its fully working.. today .. I installed YAF -yet another asp.net forum- version 1.9.4 to a subdirectory in my website.
the problem is .. both of them are working independently, and i need to integrate them to work with one login system.
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Oct 27, 2010
i'm new to the mvc framework but i used forms authentification in an asp.net webapplication. Because im forced to use Sybase SQL Anywhere server i use membership / profile / role provider from sybase.Why i can't login in the MVC Application? When i create a user via mvc web control i'm logged in. But when i logout and try to login i get a error that username or password is not correct.Maybe someone has an idea? Could it be a problem with the application name? Both have the applicationname " / " ?Both applications has these web.config entries:
[Code]....
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Mar 22, 2011
How do i get the PasswordAnswer for a particular user from Membership provider??
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Feb 9, 2010
I have started to implement asp membership. I go the administration page and click provider. I have a database on a server on the local network that i want to install my members tables in. When i run the
aspnet_regsq.exe it doesn't ask me what SQL database i want to use and seems to default to my local SQL Server 2005 installation. How I change this to use my SQL Express database on a local server?
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Aug 10, 2010
I have to implement a small webshop. Basically it's just a website with a huge backend ERP System and with the possibility to sell one (yap, really only one!) product on the website. The only requirement is a MySQL Server. The backend is almost finished (about 95%) and is secured with the .net MemberShip Provider for MySQL (the one in MySql.Web from the MySql Connector .NET).
Now to my question: I can set up the membership system easily but I do not need such things like username or password-question but I would need a reference to an address table to store the users home address. So, it is possible to change or customize the membership system to for eg. a unique customer id instead of the username column and set this in codebehind when the user is creating a new account? And is it possible to insert new users/customers from codebehind in an easy way? (I mean without checking each foreign key and inserting the customer reference to the userinrole table and so on...)
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Oct 16, 2010
Can I use the membership provider api on a hosted service? I can create mssql databases but have no control over iis. Will I be able to use the membership admin webpage on the hosted service?
Am I correct in stating that the api uses ASPNETDB.MDF in the app_data folder as it's database?
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Nov 8, 2010
I have a site in which I'm intending to use multiple membership providers. I'm using my own custom membership provider to provide access to several data stores depending on the section in which the user's information resides.
The actual login functions correctly using the built-in ASP.NET Login component in which I've manually specified the membership provider it should validate against. When I run a trace on it's actions, I can see that it attempts the 'validateuser' against the correct data store and continues to redirect the user to their applicable section.
The problem is that once they are logged in and the site (or I) call 'GetUser' to get the users information or permissions, the membership provider reverts to the site's default provider.
In my custom membership provider I'm only overriding the methods for GetUser and Validate user which is working perfectly fine for a singular membership provider, but not when using a different provider.
How can I ensure that the correct membership provider is retained with the user's membership details? Is there a method that I need to override/append in order to achieve what I'm looking for?
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