Password In Connection String?

Dec 1, 2009

Is it a good idea to store the database pasword in our code like below?If it is not why and which is the correct way to do it? I do not prefer the password to be inserted evrytime the application starts either

conn.ConnectionString = "Data Source=Z:LearningsMyDatabase#1.sdf;Password=abc"


Add Password To Connection String In Code?

May 24, 2011

Using VS2010 I am adding a new data source (SQL Server for this app). The wizard asks if I want to include sensitive information (e.g. the password). In this case I answer "no" ecause I don't want the password showing up in the Config file (the rest of the string is fine).

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Storing 2005 Connection String, Username And Password Outside The Application?

Aug 13, 2009

Does anyone know how to store the connection string in a file rather than hard coding it in the application. For example i have declared this connection string in the form to connect to oracle database and it works. But i assume this is not the right way to go by if one is looking for more secured environment.

strcon = "Provider=MSDASQL;" & _
"Driver={Microsoft ODBC for Oracle}; " & _


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Change The Connection String (server Ip, User And Password) Of A MySql Data Source In Visual Basic 2010?

Jun 1, 2012

I have a project where I added visually and successfully a datasource of MySql. I binded a datagridview with a table.

But, how do I change programatically the password, ip or user to connect with the MySql server? Because it can change at any time, so I can let the user change these values.

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Assign A My.Settings.Item Connection String To Cmd.Connection Connection String Value?

Aug 25, 2009

How do I assign a My.Settings.Item connection string to cmd.Connection connection string value?

Dim cmd As New SqlCommand()
cmd.Connection = My.Settings.Item("csStaffHoursWorked")
cmd.CommandType = CommandType.StoredProcedure
cmd.CommandText = "spSaveDeltekImport"

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The Connection String Could Not Be Found Or Data Provider Associated With The Connection String Could Not Be Loaded

Mar 11, 2010

I got this Error Message while I try to preview the records in Dataset Designer:"The connection string could not be found or Data provider associated with the connection string could not be loaded"

Here is my dataset.xsd code

<Connection AppSettingsObjectName="MySettings" AppSettingsPropertyName="loginConnectionString1" IsAppSettingsProperty="true" Modifier="Assembly" Name="loginConnectionString1 (MySettings)"


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Display Connection Properties Dialog For Connection String Browsing(for Database) In Run Time?

Feb 5, 2010

Is there a way to display the connection properties dialog for connection string browsing(for database) in run time?

As I want the user to be able to connect to various database using the GUI.

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Winforms - .net Connection Entity Framework Connection String Security?

Sep 3, 2011

I understand the possibilities for encrypting a connection string in .net v4. I have a win forms application that will be used by multiple people on different machines. I understand that I need to protect the connection string at time of the app being first run on the target machine. However I am concerned that for a period of time my connection string will be unencrypted. I am looking for advice in how to deploy my app with the connection string already encrypted or encrypted during installation. encrypting the connection string in a secure way?

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Connection To LDAP Fails Unknown Username Or Bad Password?

Mar 23, 2011

I would really welcome some help with this issue. We have a php code that works and connects to the LDAP. When I try to connect using VB.NET 2010, it fails to bind with logon failure unknown username or bad password. Below is the connection information. When I talk to the folks who run the ldap server, they say I am binding sucessfully, below is the log file for the sucessful bind? If I continue and try to execute a search I don't get any results. The server is running openLDAP ver 2.3.39 on a linux server, server requires connection on port 636 for secure connection, or 389 for anonymous.


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Invalid Connection String When Modifying Tableadapter Connection?

Jan 19, 2011

I'm developing an app in (visual studio 2008). I have a Teradata back-end that will be supporting multiple users in a production environment. I need to use variables in the connection string as the user/pass will be changed every 3 months.

For the gist of the application:

In it's most basic form - I have a search form which works correctly - it pulls results into a listbox and the user then double clicks the list box which will then open a form that is bound via table adapter to the back-end table (Teradata). My connection string is fine everywhere in the application. My problem is using a modified connection string for the "fill" function of the table adapter once the form is opened.

I'm using the code below for the on-load event and keep getting an "invalid connection string" - again, the connection string works fine everywhere else in the app, and the variables etc... are working correctly.

Private Sub adaptertest_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim DBConnStr As String = "Provider=TDOLEDB;Data Source=TDDEV;Persist Security


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Mdb Connection - Transfer File Path In Our Connection String

Aug 26, 2009

I'm facing a problem after installation any software setup that has a database in access(mdb file) How to I transfer file path in our connection string.

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Mar 18, 2012

I am trying to connect DSN from my VB 2008 project. When i try using myoledb.connectionstring="DSN=myDNSname" I get the following error message An OLEDB provider was not specified in the connectionstring.

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SQLClient.Connection Without Connection String?

Feb 18, 2012

Why doesn't an exception get thrown when this function is called when there is no ConnectionString set for the Connection? I just spent 15 minutes debugging and staring at it and finally figured out it needed the connection string. Shouldn't an exception get thrown?

Friend Function GetValues(ByVal TableName As String, ByVal FieldName As String) As DataTable
Dim cn As New SqlConnection
Dim cmd As New SqlCommand[code].....

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Comparing A Password Text Box To A String?

Nov 15, 2011

Imports System.IO
Public Class LoginForm1
Dim password_guardada As String
Dim user As String


That also doesn't work.And the most odd thing about all this, is that the passwordtextbox is getting is value from pass_desincriptada.

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How To Encrypt And Decrypt Password String

Jun 25, 2009

I want to encrypt all users' password that stored in database, but also i need to able to decrypt them.How can i do that?Because i try using MD5 method and only get one way ticket

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Most Concise String.Replace To Mask A Password?

May 9, 2012

Let's say I have the following string:"/encryption:aes128 /password:<PASSWORDHERE> /log:log.txt"

I need to write this to a log file but the password needs to be masked (replaced with asterisks for example).I can do this easily with String.IndexOf and String.Replace in a few lines of code but I'm interested in seeing how others would implement this so that the code is as short and concise as possible. A one line replace function would be best.

My goal here is to see/learn some new techniques of combining string functions.

Note that I am not interested in using a RegEx.

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SQL Command String - Update Password Within Database

Nov 17, 2011

I have a problem with the code below as a SQL command string. Note: Using .Net Framework 4.0 in Visual Studio 10 Professional. Database is a Microsoft Access file. The idea is that this SQL command string will update a password within my database. Also note that I have tried the string below with and without the ";" at the end and it does not work either way. The problem is most likely extremely obvious, but I can't seem to find it. I have commented below the code what each part of the String is.

"UPDATE Users SET Password='" & tbx1.Text & "' WHERE Username = '" & sUsername & "';"
' Users is my Table name within the Database.
' Password is the field that I want to edit within the Users table.
' tbx1.Text is where the password is stored within a text box.
' Username is the field which I would like to compare with sUsername which is a variable within the code.

Solution was square brackets, Command string now looks like this:
"UPDATE Users SET [Password]='" & tbx1.Text & "' WHERE [Username]= '" & sUsername & "'"

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Write The Code To Be Able To Reverse The String To Be Able To Display The Password Backwards?

Apr 6, 2010

I am writing a program to be able to input a password and take that password and display a new password in a label. the new password will display the results as follows. Any vowels in the old password will be displayed as an x in the new password and numbers will be displayed as x's, and the last part it will display in reverse order so if I enter in timmy1 it should display zxmmxt. I do not know how to write the code to be able to reverse the string to be able to display the password backwards.

Option Explicit On
Option Strict On
Option Infer Off
Public Class frmMain


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Dec 29, 2011

I have two website application,

first Application is located at:


and the second at:


is it possible WebApp2 get a Connection String from WebApp1 web.config?

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Have SQL Connection String For FTP?

Sep 13, 2009

Can you have a SQL database on a ftp server and connect to it from a windows application?

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.net Connection String To Sql Databse?

Jan 11, 2012

After using the following code, no errors are shown, but my database is not updated once i have made a change using my management system application.

Dim constring As String = Application.StartupPath.ToString() + "mydatabaseName.mdf"
Public c As String = "Data Source=.SQLEXPRESS;AttachDbFilename=" + constring + ";Integrated Security=True;User Instance=True"
Sub openConnection()
conn.ConnectionString = c
End Sub

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Nov 18, 2011

DB="Source={SQL Server};Server=CALVINRUKA-PCSQLCALVIN;DataSource=DWDSCalTables;Uid=sa;PWD=;Trusted-Connection=Yes;"

I using SQL Server 2008 R2 to connect with HTML page. I trying to connect HTML page with login to SQL Database. I have try called the Source but didnt work.

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Jul 16, 2009

Send me Code for Connection string for 2005 and SQL server 2000

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Jun 4, 2011

I am developing a software which will connect to a SQL SERVER situated at Head Quarters over a VPN connection.But for times when VPN is disconnected I want my applications at the branches to connect to a local Sql Server installed at a local server.Now all the applications at each of the local machines have their connectionstring stored in their App.config file.When the VPN is disconnected we have to change each of the connection strings on all the applications in each machine. Is there a way to do it automatically switch the connection string depending on whether the Server is reachable or not, and to store the connectionstring at centralised location.

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Changing The Connection String?

Dec 15, 2011

I'm trying to change my connection string to w/e the user wants. After a few tips here and there, this is what I've come up:

1: In my settings I've added - Name(login), Type(String), Scope(User), Value(Nothing)

2: Here is the code I'm using

Private Sub LoginForm1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'Here I'm checking if the login in my.settings is there
'If not, I'm going to let the user choose what database


The error I get is: Format of the initialization string does not conform to specification starting at index -

Dim con As New OleDbConnection(My.Settings.login)

When I have my con equal to when I added the datasource from it works.

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Connection String For Access?

Dec 9, 2009

i have the connection string cn = New OleDbConnection("Provider=Microsoft.Ace.OLEDB.12.0; Persist Security Info = False;" & _ "Data Source=C:printtest2.accdb;")which works fine but my database is in the server in a network what additional details do i need for the connection string The server name is as follows ""how do i use the connection string

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Connection String For Sql Server ?

Apr 19, 2012

I have installed sql server 2005 in my machine which is installed 2008. I want my machine to distribute the database to the clients and make it as server.I don't have that much knowledge of how to overcome this issue as i am awfully naive about it.Let me start it here:I have got an application in first i was using ms access database 2007. then decided to switch on to the sql server since i want to distribute the database to the clients who are going to use my application.When i installed the sql server, i imported my access db files onto sql server database. i enabled tcp/ip as enable in the sql server network Configuration. i want use sql server windows authentication as my default user account of my system for the sake to simplify the issue.

Hence, i connected the sql server into the through the "add new data source".am done with that...the problem is how do i assign the connection string to the Or how do i include a connection string in which tells every other computer that the database data source is in my computer so that every computer can automatically check it in the network.Where exactly shall i put the connection far as my knowledge is concerned for access database, you can easily identify your connection string in project /properties/ goes here and you put your database in any where.And what is the best connection string do i need for sql server 2005..computers are running windows xp.

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Connection String In A Application

May 2, 2012

I used to work only with websites before. I know that in ASP.NET website, the connection string is found in the web.config file. My problem is now I have started working with VB.NET applications which needed to be interfaced to a database. How is a connection string created and where should I put it?


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Connection String Is Not Working?

Oct 1, 2009

I have the following connection string set:


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Connection String Not Initialised?

May 4, 2009

Im trying to add data from a text box into an sql server database. But i keep getting an error.executenonquery connection property has not been initialized.

This is the code ive written

Code:Public Class AddForm    Private dataCon = New SqlClient.SqlConnection("server=MYSERVER; database=DB; User Id=MYUSERNAME;Password=MYPASSWORD")    Private cmd As SqlCommand


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Feb 15, 2012

I have a hard coded connection string that DOES work just fine-

Public urlMySQLDatabase1 As String = "Server=;port=3300;Database=DatabaseName;Uid=UserID;Pwd=Password;"


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Jan 26, 2011

i am trying to connect to it via 2010. I have been trying the following:

Dim myConnection As OleDbConnection
Dim myCommand As OleDbCommand
Dim dr As OleDbDataReader


And i get the error on the Catch ee As Exception line: ORA-12560: TNS:protocol adapter error

I also have a tnsnames.ora file on my computer but i am unsure if i need to use that when connecting (or really, how too in the first place)? Is it needed for the code above?

I am trying to use a DNS-Less connection to the DB. Not sure if that is what it is doing in this or not?

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Jun 5, 2011

I have written the following code in a class as my connection string. I want to retrive data from a field in a table in my database using this connecyion string.

Public Class ConnectionString
Public Shared Function ConnSQL() As SqlConnection
Dim connectionString As String


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Aug 31, 2011

How to Create a sql connection String in 2010? my DataBase Is Sql Express 2008

Name of Allah, Most Gracious, Most Merciful and He created the human

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Apr 26, 2010

I made a Windows service which daily deletes some records from a SQL Server database. But i don't know what my connectionstring should look like ... the service and the database will both be located on the server.I found this example, which parts do i need to change ?

Datasource=.SQLEXPRESS;AttachDbFilename=|DataDirectory|DB_ftp.mdf;Integrated Security=True;User Instance=True;"

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Jan 18, 2012

im currently working on my thesis and i just wanna know how to avoid changing connectiong string? we are 4 members in a group each time that my other groupmate try to run our system in their own laptop/desktop they always change the server name. i wonder what if we implement our system in any computer? how were going to handle that?

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Jun 4, 2012

This is my connection string when Im trying to install in other computer i have an error.[code]...

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Feb 11, 2010

How would I go about parsing a connection string such as Data Source=TESTSQL;Initial Catalog=TESTDB;Integrated Security=True; to be something like
Text field SQL Server = TESTSQL
Text field Database = TETSDB

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Mar 4, 2010

How to save connection string in XML so that I can subsequently use that string. How is it possible?

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Jan 14, 2009

This is in VB2008 Express

I have a Data Connection set to my Access file. I an connect fine and run queries and whatnot. When I close VB 2008 and re-open the project it won't connect to the Database again. It loses the password for my Workspace for some reason. There is no option to save the password, but it doesn't lose any of the other information in the connection string.

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