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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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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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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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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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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Nov 7, 2010
i am using access database for my program. now i have connected to the database in MDI form of main exe, and ir also works, user can log in, it gets verified etc etc etc. now here is the problem, when i load a form from dll and try to use any sql query on that form, i get message, "database connection is not opened". so what i did was, i added the connect() (a function i designed to connect to database) in the load part of the dll's form, it made the trick, query's started to run, everything went fine, and when i reload the form i.e after closing the form, i load it again from MDI form, i get error, connection already open..
[Code]....
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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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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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Jan 17, 2009
This is what I'm getting when I try to connect my MS Access mdb database to my program. It keeps asking me to enter a connection string and when I do this is the error I'm getting."Format of the initialization string does not conform to specification starting at index 0.
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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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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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Feb 22, 2011
Between ODBC and OLEDB providers, which one is more flexible at both the application level, and at the report level using crystal report?
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Oct 20, 2011
What is the connection string for connecting MS Access 2010 (.accdb) database in VB.net.
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Jan 31, 2012
Or there's another way to make it, without adding a Connection String?
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Sep 3, 2009
My Ms-Access .mdb file is on my website. It is in the App_Data Folder
The current connection string is:
OleDbDataAdapter Da = new OleDbDataAdapter("Select * from SerialNo",
new OleDbConnection(@"provider=microsoft.jet.oledb.4.0;
data source=ftp://ftp.WebsiteName.com/App_Data/SerialNo.mdb"));
Where am I making a mistake in above connection string?
Note: CRs added in the code for better readability
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Apr 5, 2009
Is it possible change the connection string to a different database when the user changes the database they are using .i have a working program atm but i want to be able to change the connection with out having to change the code. the databases contain information from different years but all have the same tables queries etc.
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Sep 10, 2011
My query is not the straightforward connection to MS Access.I am using a third application that places all data in an Access database BUT recently they changed the database so that it doesn't end in '.mdb', instead in another suffix: '.accdb'.The database is still an Access database but I cannot connect to it using the connection strings:[code]Previously I was able to use the second connection when the database name ended in '.mdb' (Database Name.mdb).
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Sep 21, 2009
I have an application that will be called by a database(this application is called from an access shell that uses SQL Server Tables), my question is do I need to provide a connection string to write to the database or since it is already open I can just pass the insert statement. If I am to provide a connection string do I use OLEDB JET 4.0 or ?
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Sep 24, 2009
I have just written an application for myself and a few other users to use .rdp to connect to a number of servers, by clicking on the appropriate button. In the full version of the program I have two sets of connections one for when we are inside our vpn, which uses local ip addresses and DNS names; and the other which uses the external IP addresses and DNS names.This works quite well; if the user has stored credentials on their pc for the connection they connect straightaway; and if they don't the .rdp dialogue opens up with the server name/address filled in, ready for them to edit the rest of the required information.The problem for me is that this means I have to code 43 different Private Subs and then link the buttons; and I was hoping that instead of individually coding each connection, I could get the users to:Select by an option button whether the connection was internal or external
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Jun 22, 2010
how to find connection string of any database or any server like, access or sql or Oracle?ans:-to find connection string.first open the new notepad.don't write anything it it.just save any side like my document,or Desktop with any name and give it's extension. " UDL ".after there will be one PC type folder will be created. double click on that folder and go to first tab that is Provider.select your provider like Access, Sql etc. and go to Next tab that is connection. if access then it will tell you enter database name or you can locate your database .mdb file and if it is sql then it will ask you your server name, authentication and database name. select it and click on text connection it will give message connection is OK.then close the file and further open that file with notepad you will get your connection string.
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Jul 10, 2011
How to use Connection string with VS 2010 during form design? Actually i added database through Data -> Add new Data Sources.And When i publish the project How to publish database too? [code]
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Feb 11, 2011
Is there a way to catch a database exception and then redirect to an error page? I have a data access class that I use to make a sql connection and then functions that call it to execute my SQL commands. My problem is that if my database is not available I cannot catch that error. Here is the code I am using in my class[code]...
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Apr 12, 2012
so for one of my assignments i have to use a databse that the professor provided but every time i attempt to establish a connection to the database that i downloaded it gives me this error, i have tried on both my desktop and laptop with no success. the picture is kind of hard to read but hte error says The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local deafult machine.
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Mar 10, 2010
I am trying to upload a SQL dataBase onto VBasic, but I keep getting a connection error Error version 655, the application useses versions of 612 and earlier.What can I do to fix this error. I am using SQL server 2008 and Visual Basic 2008...
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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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Apr 1, 2009
I just want to know what is your suggestion about storing database connection strings in .NET? I am using My.Setting usually, but now I am facing with versioning of my application. When I upgrade my application to higher version the value in My.Setting has been changed, it didn't remain as user has set before, but changed base on my machine's setting. eg. the value in My.Settings Version 1.0.0.0 (User's computer) is 'ABC' When I develop again some new feature on my machine and set its version to 1.0.0.2, of course the connection string in my computer's My.Setting file is different with User's computer's My.Setting. So when I copied my recent updated file to use's computer, then run the application, the application read the new My.Setting file from my computer but not from their computer. the value in My.Settings Version 1.0.0.2 (Developer's computer) is 'DEF' Therefore I have to reset and reset their connection strings onve I updated their application, that's too annoying?
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Nov 22, 2011
I need to change my [code]...
if i change it under settings it is working but i want to be able to change it in my running application, or when the application is opened for the first time i should be able to put in die path for the database.
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Jun 5, 2011
I will be developing a program using visual studio 2008 with ms access 2007 as my database. What I only use is this type of connection string: "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:mydatabase.mdb;Jet OLEDB:System Database=system.mdw;" but i was asked if it is possible to put the database in sharepoint and I haven't even tried it before. The case is like this, the program that i will do would be installed on some computer units of different branches of the company then the database should be accessible through sharepoint so that every users can access the most updated database.
[Code]...
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Mar 14, 2010
I'm trying to add a datagridview in vb.net, but it does not allow me to change the connection string or the database that should be imported to connect to it. The only thing that I'm seeing is the previous ms sql database that I connected with datagridview and everytime I click the new connection, the window closes and it leaves me with the datagridview with the previous connection that I have. And its not applicable because, now I want to connect it with mysql. Not ms sql. Its some sort of a cache like feature in vb.net, how do I get rid of it. so that I can add the new connection for mysql? Do I need to reinstall visual studio 2008?
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Mar 14, 2011
I would like to develop a Windows Service in VB.NET to monitor different SQL databases running in different servers. The user will enter/define connection string for each database.Also he/she will define connection interval.
For example, database A needs to be checked in every 5 mins and database B needs to be checked every 24 hours.
What is the best approach for this project?
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