VS 2008 Validate Windows Username And Password?
Dec 1, 2010I was wondering how i can validate in my app if the user has entered a valid windowsusername and password i.e.:
View 3 RepliesI was wondering how i can validate in my app if the user has entered a valid windowsusername and password i.e.:
View 3 RepliesI had one user in my db and when using this code it validates my username and password, but when I added a second user, it does not validate the second user, only the first one. I removed the first user and added it to my db after the new user, but it did the same. What can I do to make sure it actually runs through rows in the db and compare the information in the text box with the information in the database?
Dim
sqlStatments As New SqlClient.SqlCommand( _
"SELECT * FROM Users", UCSMISDB)
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send a solution for this "update login SET password=@password,username=@username where username=@user"
while executing i got the error"syntax error in update statement "
I'm writing a backup program for personal (for the moment at least) use.
For some directories (network directories / protected directories) credentials are needed to access them.
I can setup different jobs in the program to run at specific times.
These jobs are stored in an XML file.
I want to also store the usernames and passwords which the jobs will need.
What and where would be the best way to store these?
Changing permissions on the directories is not an option.
I am a SQL Server Developer and DBA. I have some experience in VB.Net (Windows Application) programming. I used to use .config to setup database user and password. I have a windows application running on my computer. I would like to check which username and password is used to connect to SQL Server Database.
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I hv to create a login for my windows appn(this is the first tym i am creating a login in visual studio) i am unable to figure out exactly what should i do
I tried the following:
Public Function User_Login(ByVal unam As String, ByVal pwd As String) As Boolean
ada = New OleDbDataAdapter("Select * from UserProfile where UName='" + unam + "' and
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Now i called this function on the button click of my login form and passed the values of username and password textboxes as parameters to it. But the problem arising is that it is logging in by simply clicking the button irrespective of what is entered in the username and password textboxes.
I think this is because ds.Tables.Count is never 0(whether the username and password match or not) Use code tags when posting your code. Code tags are used like so =>
I just want to know how to create a login username and password in VB.net 2008
View 1 RepliesI want to be able to have a textbox where user enters their username and password.It then will need to check the database and see if the username and password exist.If so take them to another form.[code]I have started the db connection and checking the database but am struggling with checking if they exist.
View 9 Replieshow make username and password form to login into form2
View 11 Repliesbasically i want to create a login to my program which uses the same username and password as windows login.I already know how to retrieve username and auto place it in the username box using
TextBox1.Text = Environment.UserName.ToString
i wondered is there an easy way to only allow access if the password matches up to their logon? i dont know about setting up databases but i dont think this option would work because each member of staff can personally choose their password.
I am looking to create a simple password box that will ask the user for a username and pass, if the user is validated against the usernames and passwords in an .ini file the login box will close and launch a program also stated in the .ini file. I would also like to be able to launch different programs for different users.
View 16 RepliesI'm making a tool to a game and I need to fill in my username and password and then click on a button.
Here is the html
Username:
HTML
<td><input class="text" type="text" name="e27a7f6" value="" maxlength="15" /> <span class="error"> </span></td>
Password:
HTML
td><input class="text" type="password" name="e8ca7cd" value="" maxlength="20" /> <span class="error"> </span></td>
Login button:
HTML
<input type="image" value="login" name="s1"onclick="xy();" id="btn_login" class="dynamic_img" src="img/x.gif" alt="login knapp"/>
In Vb 6.0 the code was
Webbrower.Document.All("s1").Click
for the login button
....
Form2.Wb.Document.All("e27a7f6").SetAttribute("text", User)
....
I get a "NullReferenceException was unhandled" error.
I have developed a task Using VB.net (windows Application). I want to create a Login window for the Current user only allowed to use my application.So In my Login window UserNAme textbox I have showed the curent Login UserNAme like,
txtUserName.Text=Environment.UserDomainName & "" & Environment.UserName
And I have set txtUserName.Readonly =True.
Now the User to type the Password in my application password textbox.
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I have a chat server / client system running, but I want users to authenticate with my vBulletin forum database.I don't want the client to do it, because it is possible to fake the 'successful login' and connect with a fake username. I want to send the username and password details to the server, and make the server check it with the local vBulletin MySQL database for the username and password.Is there a way to do this? To my knowledge vBulletin has a username and a password entries in the database which is salted, and the salt varies from user to user.
View 7 RepliesI am trying to validate a password by using a regex.
* Must be between 6 to 16 characters long
* Must contain atleast 1 uppercase letter
* Must contain atleast 1 lowercase letter
* Must contain atleast 1 numeric "digit"
So far so good ...
(?!^[0-9]*$)(?!^[a-zA-Z]*$)^([a-zA-Z0-9]{6,16})$
Can optionally have any number of special characters listed below.
I am working on a registration form and it requires to put in password that's atleast 6 characters long but shouldn't be more than 15. And contains atleast one number.
How do I write code to check if the user have met the requirements or not?
FIRST START WITH LOGIN FORM
Public Class LoginForm1
' TODO: Insert code to perform custom authentication using the provided username and password
' (See http://go.microsoft.com/fwlink/?LinkId=35339).
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HOW SHOULD I ASSIGN USERNAME AND PASSWORD
While a web page -which needs login- is opened in my browser, if I close browser and re-open, I have to write username password again. But, sometimes when I close browser and re-open for the same page, it isn't needed username and password again? Is it about Session, Cookie? If yes, why are there different conditions?
View 2 Replies1. i need to connect to a active Directory through different credentials. I want to have two textboxes like Username and Password. The User should provide these two information + the domainname and i connect then to the ad
2. How to check if the connection was successfull?
I'm making a program that requires FTP access. I need to encrypt the password/username so no one will be able to decompile it and gain access to my FTP account.
how to encrypt strings? I've gone through google, but I'm not looking for a 5 page essay.
i am trying to do a for loop to give the user 3 trys to get the login username and password right. the username is User and the Password is VB. the code i got so far is a if function Private Sub btnLogin_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnLogin.Click
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How do i set username and password, and how do i make a function that makes it aviable to change the password and the username from the program??
View 8 Repliesi have a problem when adding username in my registration form..registering same username is allowed in my program..i dont want to allowed this. How can i make it using SQL..if the username exist dialog box will appear that the username exist
View 10 Repliesthe below code is the login form. If type wrong username and password, MsgBog will pop up. So, my question is how to reset the password and username after the wrong username and password. I try to put Me.ResetText() but still can nt function because the old usename and password still remain at there.
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I have been coding a Reset Login Details form, the user needs to enter the new Username, the new Password and the Current Password.Here is my code below - something in the form is not working as i am getting an error when i fill in the form about the INSERT INTO statement.
Imports System.Data.OleDb
Public Class frmChangeLoginDetails
Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click
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I'm currently working on a library system. i have a registration table. there are my fields in that table as well as username and password. then i have a login form. i want to use the same username and password as in the Registration table for the user to login.
in my login form there are 2 txtboxes namely txtUsername.text and txtPassword.text
I was wondering if there is a way that i can check my companies domain to authenticate a user name and password for an application in am working?
View 4 Replieswhen you log in a username and a password a msgbox will show that you are log in, and then when you enter the same username and password, the program will identify that the username and password is log out. no button will be use in here.
View 5 RepliesI have a form just like the login form in VB.Net. The usernames are prepopulated on a combobox with datas from the SQL DB backend, and the text box for the password entry is empty. My code is working but what I need help is, for the code to validate the username and password entered against that stored on the SQL DB backend. Like when the user selectes a wrong username but the password entered is correct, there shld be a messagebox like "The username selected is wrong", or if the username is correct and the password entered is wrong then the msg is "The password entered is not correct, please type you password using the right case".
Try
conn.Open()
Dim SelectStm As String = "SELECT * FROM tblStaff WHERE UserName = @UserName AND Password = @Password"
Dim objCmd As SqlCommand = New SqlCommand(SelectStm, conn)
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I have successfully saved account details to a .dat file (username, password, account type).the issue is however, that any username works with any password, for example, if the file were "user1 password1 user2 password2".I would be able to log in using "user1" as the username and "password2" as the password, i think i'm missing something?
View 12 Replies