Getting Connection String Error

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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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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Cannot Send String Into Database - Connection Error

Sep 7, 2009

Dim con As New OleDb.OleDbConnection
Try
con.ConnectionString = "PROVIDER=Microsoft.Jet.OLEDB.4.0;Data Source = D:\project\login.mdb"
con.Open()
str = "insert into table1 values(" & Text1.text & ",'" & Text2.text & "')"
cmd = New OleDbCommand(str, con)
cmd.ExecuteNonQuery()
[Code] .....

If I insert integer value it will be updated in database every thing is ok but when I want to write some string in my textboxes and want to send them I get connection error.

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Error Locating Server - Vb Sql Connection String

Mar 8, 2012

I get this error when I try to connect to my database. I used the same string provided in the database explorer "Connection String"

I do not have a password on the database.

This is a local database if that makes a difference

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Error Message For DB Access Connection String?

May 6, 2011

I am getting the error "The 'Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine." in the connection string when opening a connection to an Access database.

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Null Exception Error Using Connection String In App.config

Sep 21, 2011

I've moved my Database connection string into my app.config - however its causing a null exception error when i use it

App.Config
vb
<connectionStrings>

[Code].....

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Error - Nullreferenceexception Was Unhandled While Pulling Connection String From App.config

Aug 3, 2011

getting connected using an app.config instead of hardcoding since yesterday evening and I either can't find any more info on the net that helps or I'm too new to understand it all. The exception is occurring on the line assigning the connectionstring to 'returnvalue'.

Imports System.Configuration
Imports System.Data.SqlClient
Public Class Form1

[code]...

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VS 2008 : SQL Local Database Attach (SQL Connection String Error)

Jul 2, 2009

I have attached Database to my vb.net application. Client has sql server 2008 express installed.I built my application and gave to him. he is encountering errors.

PHP
"Data Source=.SQLExpress;Database=xx.mdf;Trusted_Connection=True;Integrated Security=False"

i am getting Cannot Open Database for requested Login. Login Failed. i am using SQL 2008 server Developer edition. And using Windows Authentication mode.

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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

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

[code]....

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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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Error - ExecuteScalar Requires An Open And Available Connection - The Connection's Current State Is Closed

Aug 3, 2011

i have an application. which is executed after every 5 mins. i have an open connection but it gives me the following error:

ExecuteScalar requires an open and available Connection. The connection's current state is closed.

my code is something like this. I have shown where all i am using ExceuteScalar()

Sub Main()
Try
connection.open()
cmd.ExecuteScalar()

[code]....

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[2008] Error - Unable To Read Data From The Transport Connection: The Connection Was Closed

Mar 15, 2009

I have a simple scraper. It works on some websites, but on some there is this Error:

Quote:

IOException was unhandled Unable to read data from the transport connection: The connection was closed

It is occuring at "Dim htmlresults As String = Urlcontents.ReadToEnd()".

'Create the HttpWebRequest object
Dim req As HttpWebRequest = WebRequest.Create(URL)
'Set the timeout to 1 second (or 1,000 milliseconds)
req.Timeout = 10000

[code]....

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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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VS 2010 Connection String Error "An Attempt To Attach An Auto-named Database For File"

May 29, 2011

I have written a program which connects to MS sql express 2008 using the string below. This is OK on my computer but when I try to run this on a client computer I get the following message: "An attempt to attatch an auto-named database for file :(C:UsersBarry2010 vb programsadotrialadotrialResults 6.mdf) failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share."

[Code]...

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Invalid Connection String When Modifying Tableadapter Connection?

Jan 19, 2011

I'm developing an app in vb.net (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

[Code].....

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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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.net - What Is The Connection String For Oledb Connection To Connect DSN

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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Sql Connection Error - Re-establish Connection To The Server

May 14, 2010

This will happen at random, and I can always just catch the error and re-establish connection to the server, but I am confused as to why. When doing lots of inserting into the sql server, I only establish one connection that is public, instead of many little connections. I had my doubts on a public sql connection, but it's been running great, and I've seen no problems until this morning. Again, this random moment I hit an error that stated, sql connection state is broken. Is it bad practice to just accept this error, and when it happens, re-establish the connection?

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Sends Data On A Networkstream Through A Tcp Connection - Error "An Established Connection Was Aborted By The Software In Your Host Machine"

Aug 18, 2009

I have a program that sends some data on a networkstream through a tcp connection.

[Code]...

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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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Error: ERROR [28000] Make The Connection With Window Application

Sep 18, 2010

when I attempt to make the connection through a VB.Net with window application, I am getting the following error: ERROR [28000]

My connection string is

HTML

<connectionStrings>
<add name="MyConnection" connectionString="Driver=PostgreSQL ANSI;Server=10.146.152.23;Port=5432;Database=pacs;Uid=postgres;Pwd=postgres;" />
</connectionStrings>
<system.diagnostics>

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String Split - Error Value Of Type '1-dimensional Array Of String' Cannot Be Converted To 'String'

Mar 11, 2010

my code is :

[Code]...

The error is Value of type '1-dimensional array of string' cannot be converted to 'String'.

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Asp.net - WebClient DownloadString Error: "The Underlying Connection Was Closed: An Unexpected Error Occurred On A Send"

Nov 15, 2011

I have the following code that I'm trying to retrieve the HTML document. Not sure why it wouldn't work. Here's what I captured from Live HTTP Headers:

[Code]...

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C# - Get A Connection String From Other App?

Dec 29, 2011

I have two website application,

first Application is located at:

MyApp/WebApp1

and the second at:

MyApp/WebApp2

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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Error In Sql Connection

Jun 8, 2009

i received a vb project from my classmate and have problem running it. when i run the program n click to view a new form, the error pop up saying "A network related or instance specific error occurred while establishing a connection to SQL server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL server is configured to allow remote connections.(provider: SQL Network Interfaces, error :26 - Error Locating server /instance specfied)" the form has DataGridViewer to view table from database. all my friends said they have no problem n they don't do any configuration at all. i am using visual studio 2008 n sql server 2008.

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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
conn.Open()
End Sub

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Asp.net - Connection String Is Not Working?

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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Build A Connection String?

Jul 16, 2009

Send me Code for Connection string for VB.net 2005 and SQL server 2000

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Centralized Connection String?

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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