How To Get Windows Logged In Username In Application

Jun 11, 2013

How can I assign logged in windows username as a parameter to sqldatasource in ASP.net web forms.

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I need client ip and login user name of a system, while using my web application in ASP.Net ....

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How to update username of current logged username?

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we are migrating existing windows form application to asp.net(3.5) intranet portal, there is a requirement whereby database connection should be made by the logged in windows user. Is it possible to achieve this functionality?

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Displaying Username After Logged In?

Sep 21, 2010

I having problem in display the username after a user logged in.This is my master page which has label which named Label1 on top right, i want to display the username on there after logged in.

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MVC :: Display Workstation Logged On Username?

Dec 2, 2010

I was not able to find the post. I am building an MVC app and on the master page I want to display the user that is logged into the workstation. This is just an internal app so we were just going to use
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<%=Environment.GetEnvironmentVariable("USERNAME") %>

Is this proper and the best way or should I look for a better way. I know this is generic but just curious.

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Authentication - Where To Store The Username Of Logged In User

Sep 29, 2010

When a user log into my asp.net site I use the following code:

FormsAuthentication.RedirectFromLoginPage(userid, false);

As I often need to use the userid I can then later get the userid by:

string userid = System.Web.HttpContext.Current.User.Identity.Name;

Now I also want to show the logged in username on each page and my questions is therefore where do I place the username best if I need to use it on every page. User.Identity.Name is already taken by the userid so I can't use that one. Another solution would be to get the username from the database on each page, but that seems like a bad solution.

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Security :: Capture Username When A User Just Logged In?

Mar 19, 2010

I want to capture when a user logs in and his username. I am using a login control inside a anonymous temp[late of a login view control. on the logedin event of the login I have this code:

Dim log As Login = CType(sender, Login)
If Not log.UserName = "bcweed@live.ca" Then
Dim mil As MailUtility = New MailUtility
mil.ClientLogin(log.UserName)
End If

but log.username is always empty and so is the page.user.identity.name and the page.user.identity.isauthenticated always returns false this even thouhgt this is the LogedIn event of the login and also I "just loged in" I really did.. is there a way to capture this is the global.asax?

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Security :: Retrieve The UserName For A Logged In User?

Mar 15, 2011

How do I retrieve the UserName for a logged in user? Membership.GetUser().UserName doesn't work for me - Object reference not set to an instance of an object.I need it to get the associated UserID which my own db tables use as primary keyFurthermore, as I am a rookie is the best approach to achieve this through LoggedIn as below?

[Code]...

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Security :: Getting Windows Username Using Windows Authentication?

Sep 3, 2010

I am developing one intranet website. Being an intranet application, one of the requirement is to have a single sign on feature.

It means that the windows PC username (i.e the "ctrl + alt + delete" username) is going to be the username for the system.

How do i fetch that username?

I tried the following two ways which are working in debug mode but not on live site.

System.Security.Principal.IPrincipal user = System.Web.HttpContext.Current.User;
Response.Write(user.Identity.Name);
&
Response.Write(Request.ServerVariables["AUTH_USER"].ToString());

Both the above method works when i run the page from visual studio.

However when i run the page from IIS or any other server, it gives me a blank value

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Security :: How To Record Logged-on User's Username To Table In SQL Database

Mar 24, 2010

I have set up security on my ASP.NET site and currently have 1 user (soon to be more!). I would like to send the logged-on user's username to a variable, to input this value to a custom-designed stored procedure on my SQL database (for recording search statistics).Does anyone know how I can harness the current logged-on users username? I am using VB. Will the following achieve the result?session(username)If so, how do I implement this? I tried using "Current_User" in the SQL stored procedure, but obviously this did not record the ASP.NET user. Also, if the current user has not logged onto the site, I would like the "username" value to be "annonymous".

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Pass Membership Logged In Username As Parameter To SQL Server Datasource Query

Jul 23, 2012

I have an ASP.NET VB website in which I am using the Membership functionality to authenticate users. I am doing this through the Login control on the HTML page. I have working that it will authenticate the user and then opens a welcome screen in which I have a button they can push to open a Reports.aspx page. On that page I have a dropdown box that is being populated from a datasource connection query to my SQL Server database table. It is a hard coded query but want it to query the table off the username text value that the user provided on the login (i.e. select <something> from inventory where username = <username>). I have not behind code but only HTML at this point. Here it is ... 

<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Login.aspx.vb" Inherits="Login" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">

[Code] .....

Here is the Reports form that has the dropdown on it:

<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Report.aspx.vb" Inherits="Report" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">

[Code] .....

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Security :: A Number Of Events Being Logged On Windows Server?

Apr 30, 2010

I've noticed a number of events being logged on our Windows server, coming from an Asp.net application. I wouldn't know where to begin troubleshooting this problem, but the basics are this:

- Windows Server 2003 Standard Edition (NLB)
- Asp.net 3.5 App
- Oracle 10g DB
Event ID: 1309
Event code: 3005
Event message: An unhandled exception has occurred.
Exception information:
Exception type: CryptographicException
Exception message: Padding is invalid and cannot be removed.

The second last line here is why I posted in the security forum. The page that it's coming from is webresource.axd

Stack trace: at System.Security.Cryptography.RijndaelManagedTransform.DecryptData(Byte[] inputBuffer, Int32 inputOffset, Int32 inputCount, Byte[]& outputBuffer, Int32 outputOffset, PaddingMode paddingMode, Boolean fLast) [code]....

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C# - Getting Windows Username With JavaScript?

Jun 10, 2010

I have a site which is built in ASP.net and C#. Let's call it webapp. it uses a Form system to log on into it, and cannot be changed easliy.

I got a request to change the log in to some kind of windows authentication. I'll explain. Our windows login uses active directory for users to log into their windows account. their login name is sXXXXXXX. X are numbers. in my webapp, I want to take the users numbers from their active directory login, and check if those exist in the webapp database. if it exists, they will automatically log in. If it doesn't, they will be referred to the regular login page for the webapp system which is currently in use.

I tried changing my IIS to disable anonymous login and enabling windows authentication, therefore making the user browser to send it's current logged in user name to my webapp. I changed the web config as well from "Forms" to "Windows", which made my whole webapp obsolete as the whole forms system did not work.

My question is this - is there a different way for the browser only to send the username to my webapp? I thought maybe javascript, I just don't know how to implement that, if it's even possible. I know it's not very secure, but all this platform and system is built outside the internet, it's on a private network.

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Security :: How To Get Windows Domain Name And Username

Jan 19, 2011

My intranet web application uses Forms Authentication. How do i get the Active directory domain nameusername of the logged in user. The IIS directory security settings for the app are:

Anonymous User Access : Ticked
Integrated Windows Authentication : Ticked

I tried using the following but to no avail

System.Security.Principal.WindowsIdentity.GetCurrent().Name ----> returns NT AUTHORITYNETWORK SERVICE
Request.LogonUserIdentity.Name -----> returns The username used for anonymous access

ineed to pass this information to an external application for the current user to gain access to the system. Can i untick Anonymous user access in IIS and continue using forms authentication? what are the other options.

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Security :: Get Current Windows User Username

Apr 26, 2010

Im using forms authentication and im trying to get the current username. I tried using Environment.UserName but I am getting "ASPNET". But if i change my application to windows authentication im getting the true username that is currently logged on. How can I get the true username that is currently logged on in the domain using the forms authentication.

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C# - Find The Users Windows Login Username?

Oct 21, 2010

I have an ASP.Net web application running on an IIS server, and I need to find the visitors login username.How can I can find this? When testing locally it found my username using new WindowsPrincipal(WindowsIdentity.GetCurrent());, but it finds NETWORK SERVICE when running the app on the server.

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VS 2008 - No Error Is Generated And No Entry Is Logged In Windows Event Viewer On Server

Sep 9, 2011

i made an upgrade to an existing application (still developed by me), while testing on my development machine, everything worked fine. After migrating to a Test Server(windows 2003 server), users can not test the application, it periodically crashes their session and redirected them to the login page (Forms Authentication). No error is generated and no entry is logged in the windows event veiwer on the server. I also noticed this also happens when they try to access a particular page in the application.

The page contains 50 instance of a user-control. Each of the user-control contains 8 textboxes, 2 labels,1 hidden field and 12 asp.net validation controls. I tried saving a copy of this page from Internet explorer (IE8) on my development machine,its about 2.2MB in size.What may be wrong and what tracing tools can i use on my development machine (since it generates no errors). How can i also reduce the size of the page (noting that the asp.net validation controls generated alot of HTML codes)

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Security :: Get Windows Domainname And Username Of Logon User

Jan 19, 2011

I'm using forms authentication in my application but i want to get the active directory domain anme and user name of the logon user. is that possible. The IIS Directory security settings are Anonymous Access allowed and Integrated windows authentication ticked. I tried the following but to no avail

Request.LogonUserIdentity.Name (this is returning the machine name and user name used for anonymous access)
System.Security.Principal.WindowsIdentity.GetCurrent().Name -> returning NT AUTHORITYNETWORK SERVICE

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Security :: How To Get Windows Username From A Class File In App_Code

Jul 1, 2010

this is relatively simple, but how would i go about retrieving the windows login name from the class file in the App_Code folder. I have set up my website to run windows authentication, and can use httpcontext to get windows login name from code beihind, but without passing this to the class everytime, is it possible to get the login name from within the class?

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Windows Authentication To SQL With AD Username And Password In Connection String?

Jul 29, 2010

I'm writing an ASP.Net MVC intranet application which is accessed via handhelds and a range of browsers. My users all have AD accounts and have different permission to our SQL database views/procs depending on who they area. The database also uses CURRENT_USER for horizontal partitioning.

Because of the range of devices that need to access the application I can't rely on impersonation/delegation or the trusted subsystem. I want the user to simply input username and password (same as AD) when the above mechanisms fail.

Does anyone know how I can use AD username and password in a connection string to access the database without creating a set of SQL mirror accounts? I can't login with network service or a sql proxy account because the database needs to be user aware.

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Installing Windows Application On Client System (Example: Windows Update From Microsoft Site)

Nov 23, 2010

I have a ASP.NET application. From that, User register, User will get email after registration. My Req : When user click on link provided in email. Then it should go to my ASP.Net application page . That page should install a wincows application on Client system through web ( I was inspired by Microsoft Windows update from Microsoft site)

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WCF / ASMX :: FTP Directory Listing In Windows Application But Not In Windows Service?

Dec 13, 2010

Iam using ftp client wrapper class for accessing ftp.

iam able to download files from ftp when used in windows application

when i try to use the same code with windows service i get an error

the error is

"The underlying connection was closed: An unexpected error occurred on a receive. "

this error i get on directory listing

the stack trace is:

[Code]....

Note:

FTP is getting connected throgh service
FTP is getting connected throug FileZilla, internet explorer

soruce code:

[Code]....

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Forms Data Controls :: Filter GridView From SQL Datas With Windows Username

Apr 15, 2010

I have a list with computers, username and other values in a SQL server.

I can diplay this on a gridview with a SQL script.

However i wan't to filter the list by the windows's username.

When a user logon from this windows account and goes to the ASP.NET web page he could shows only the list that contains his username...

I'm able to ask to the SQL server the SQL login, computer name wich we are logged on but no the windows login.

If someone known how make a kind of filter, i can display the windows username with a VB.NET script

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Active Directory Intranet / Get A Windows Prompt To Enter Username And Password

Nov 2, 2010

I have an intranet that gets the current logged in user through active directory. When a user is locked out they get a windows prompt to enter their username and password. Is there a way for me to catch this and redirect them to a page where they are asked to enter their credentials again or tell them that their account might be locked out and to contact the help desk?

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