Connecting To SQL Express ?
Apr 14, 2009
I have a function that works perfectly when I am connecting to a SQL Server on another machine as shown below:
vb.net
Public Function OpenDatabaseConnection(ByVal DB As String, ByVal Server As String, ByVal UID As String, ByVal Password As String) As Boolean
OpenDatabaseConnection = False[code].....
This works every time without an issue. But now I am trying to do some testing on a local version of SQLExpress 2005 on my machine and this fails with the following error:[DBNETLIB][ConnectionOpen (Connect()).]SQL Server does not exist or access denied.
I have tried server names of local, (local), localhost, (localhost), the ip address of my machine. I am using my own user name which has complete rights to the process, so is someone out there able to help me out as to why I would be getting this error? Is something different?
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Feb 29, 2012
Here is the scoop: I am trying to make a user account SQL database work with Visual Basic 2008 Express for login purposes, i.e. usernames & passwords. Plan is to host this server so people can login to use the the application and verify they have a valid account. I would like to host all the account information in SQL due to the possiblity of hundreds of users at any given time. I also need the ability to add data to the database for users registering for the first time. The SQL server will need to be able to access the SQL Server databases remote via WAN.
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Feb 29, 2012
there Dream in Code Community! Im an okay programmer as far as skill right now I am still learning as we all are I need some help from some experienced VB.NET programmers in the community, Here is the scoop: I am trying to make a user account SQL database work with Visual Basic 2008 Express for login purposes, i.e. usernames & passwords.
[Code]...
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Feb 29, 2012
I am trying to make a user account SQL database work with Visual Basic 2008 Express for login purposes, i.e. usernames & passwords. Plan is to host this server so people can login to use the the application and verify they have a valid account. I would like to host all the account information in SQL due to the possiblity of hundreds of users at any given time. I also need the ability to add data to the database for users registering for the first time. The SQL server will need to be able to access the SQL Server databases remote via WAN.
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Mar 31, 2011
[code]...
I get 'sqlconnection' is ambiguous in the name space 'system.data.sqlclient' What is this confusion? What I am trying is to connect a .mdf (sql server express) database file using vb.net to store and retrieve some date from a table Wot am i missing? I see various examples for this but none working with me? Am i supposed to add some references?
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Feb 26, 2009
I'm trying to connect up Outlook Express to gmail. Ihave inspiron 9100 with the XP sp2 system. I don't have access to anything else. I think the problem is around gmails inbox parameters but I'm unsure. All I'm sure of is that I am unable to read mail. I have full privileges under this copy of XP.
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Apr 14, 2009
I'm at an absolute loss here, I've read so many different things.I just want to add new records to a database I created using SQL Server 2008 with SQL statements in Visual Basic Express 2008. But I can't even connect/get it to recognise the database I created.The database name is 'database.mdf' and is situated in the MSSQL/DATA folder. So far I've read I need to use this code;
Code:
Conn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data source=database.mdf"
Conn.Open()
[code]....
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Oct 4, 2009
I want to connect visual basic 2008 or 2005 to sql server using connection string or something elsejust like in VB6 I'm using a connection string but here at VB express i dont know =(Is there a way just like in asp.net to have connection string using?
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Sep 9, 2009
Would like to know if it is possible to access a Primavera 6.2.1 database (.mdf) from VB 2008 Express. Would like to take advantage of the existing database, if possible.
It is easy enough to export to Excel and then develop an Access database, but I would like to avoid those steps.
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Oct 16, 2011
I am trying to connect to SQL Server Express locally using VB.NET 2005. I pulled my connection string directly from the app.config file. When I run, I get NO errors and the connection states returns open, however the commands are not being processed.
Imports System.Data
Imports System.Data.SqlClient
Public Class frmAddMovie
[code]....
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Sep 30, 2010
Microsoft Access 2007 A Students.mdb database file Visual Basic 2008 Express Edition. I was informed that one can connect to Access files with ease from the Express Edition and most of the tutorials on the internet also show this however I am encountering a problem.
I open Visual Basic 2008 Express Edition Start a new project, with a form, and then click on the Data window, and add new data sources from the Data menu.
I click on database. The problem starts with the data connection. I click New Connection Change the Data Source from Microsoft SQL Server Compact 3.5 to Microsoft Access Database File and instead of then leading back to the other window (as happens on the tutorials for me to browse for the mdb file). Another window pops up asking me to Add a Connection.
It has the data source listed as Access and asks for a Connection String under the misc section. I type in
CODE:
When I click on Ok I get this error: Format of the initialization string does not conform to specification starting at index 0.
The Test connection button works and says connection success whether the Connection String field is empty or not but when I click OK it still gives me the same error. So I can't leave it blank either
So basically I can't connect to the Access database since I can't change the connection type and it won't just let me browse and add the file anyway.
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Jun 20, 2010
I need to connect to an MySQL database in my VB.NET application (VB 2010 Express). When I attempt to use the Data Sources wizard to establish the connection, it does not provide an ODBC data source. I'm using Add New Data Source/Database/DataSet/New Connection which shows the Add Connection dialog. The only options it gives me for data sources are Access & SQL Server and the OLEDB data provider. It does not appear to give me the option of adding a new data source provider. Attached is an image of my current Change Data Source dialog. Where do I get the ODBC data source provider and how do I install it into Visual Studio?
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Jun 5, 2011
connecting to and manipulating a microsoft access 2007 database using code in visual basic 2008 express edition. It's for a project I'm doing for University that's due on the 12th of October:S.
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Mar 5, 2010
I'm using VB 2008 Express for our College Project. I'm also running SQL Server 2008 Express and have installed SQL Server Management Studio and used it to create my database. Both software have been installed and running locally. I'm trying to connect to the database from VB 2008 Express. Database connection wizard have 3 options:
connecting to Access db
connecting to SQL Server 3.5 compact db and
connecting to SQL Server db file.
[code].....
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Jan 7, 2010
I have SQL 2008 Express and Visual Basic 2008 Express runing on XP Professional SP2. When I select add new data source from VB I don't have the option to connect to SQL Server 2008 express to get at the to SQL Server Database. I also notice that the OLE DB connector is not availble as a data connector. Can somebody please confirm that VB 2008 Express can connect directly to SQL Server 2008 Express and how I can achieve it.
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Oct 4, 2009
I have Windows Vista Business on my machine and running visual studio 2005 (Version 8.0.50727.867 (vsvista.050727-8600)) as well as "ENU Service Pack 1 (KB926601)" and "Update for Microsoft Visual Studio 2005 Standard Edition - ENU (KB932232) "I'm trying to connect to SQL server 2008 Express via Visual Basic and I've gone through all the forums to try to resolve my issue and it seems that I have to install " Microsoft Visual Studio 2005 Service Pack 1 Update for Microsoft SQL Server 2008 Support" However, when I try to do this I keep on getting the error "The upgrade patch cannot be installed by the Windows Installer service because the programme to be upgraded may be missing, or the upgrade patch may update a different version of the programme.
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Aug 19, 2009
First let me statethat my VB skills are appalling. Havent touched it since VB3 Ok here is the scenario. we want to be able to give our first line support the ability to modify AD groups BUT WITHOUT giving the acess or powers in the AD console. I have written command line scripts to do this and it works fine. Un fortunately we have people that think that if it dont have a OK NEXT CANCEL button it aint Windows :(
[Code]...
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Oct 3, 2011
I'm just using the default SQL Server Express in my vb 2008 express edition as my database server for my database operation. When I tried to update the records on my table I got a runtime error which indicates the error on this line 'myCommand.ExecuteNonQuery()'and it highlights a yellow background on it. The runtime error says "SqlException was unhandled: An expression of non-boolean type specified in a context where a condition is expected, near 'Number'. ".
Imports System.Data.SqlClient
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Dim myConnection As New SqlConnection
Dim myCommand As New SqlCommand
[code]....
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Oct 16, 2010
I tried to start using VB 2010 Express with a program I originally developed with VB 2005 Express that I moved to VB 2008 Express successfully a couple years ago. It uses a database file (*.mdf) that is on the computer ( not out on a server). When attempt to run the program in debug mode, I get the following error "An attempt to attach an auto-named database for file C:Documents and SettingsTomMy DocumentsQuizzing StuffQuestion Database 2010QuizQuest ionGameQuizQuestionGameinReleaseQuizQuestionDB.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share."
I first made a copy of the entire project folder that was working in VB 2008 Express and gave it a different name. In VB2010 I opened the project in the copied folder and it said it successfully converted the project. I am able to open the Data Source inthe Designer and see the database structure as I expect. I think the project is still using SQL Server 2005 Express (because it is what is checked in the list of prerequisites on the Publish tab).
Note, I have programmed off and on for many years, but fairly new to using databases and SQL Server.
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Nov 1, 2011
Is it possible to connect to a database on SQL Server R2 Express from Visual Basic Express? I am following a set of tutorial videos done in SQL Server 2005, but cannot seem to connect to create the database. I have created the database in SQL Server R2 Express, but cannot connect. Is there a work around?
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Jan 21, 2011
I am trying to re write a VB6 program using MS Access, many years ago, using VB 2010 express and SQL server 2008 R2 Express. I have a database with several tables, which I created using the designer. I am able to connect to the database and select data and display it in textboxes etc in vb code. What I have not been able to in code is to INSERT rows DELETE rows or UPDATE any data in the tables. I can do any of these operations using the Query Designer, but I want to do it in code. I can post some code if necessiary, but I thought it might just be some property that I had not set in the designer.
[Code]...
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May 12, 2010
Is VB Express 2010 slower to compile and run that older versions of VB Express? I've installed it this weekend and it seems a little sluggish on my quad core computer with 1 gig of RAM. I have VB Express 2005 installed for my students at school and it seems to fly just fine. Those school computers are older P4s with 512k of RAM.
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Feb 24, 2010
The program I am trying to modify was initially written using VB 2005 Express. I have subsequently downloaded the 2008 version. The program creates a monthly spreadsheet from a template. The old code that will no longer (highlighted and underlined) compile is as follows:
[Code]...
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May 13, 2005
It's probably just a case of me not looking in the right place or not seeing the obvious, but does anyone know if a machine with just version 2.0 of the .NET Framework should be able to run a VB.NET Express application which accesses a SQL Server Express database file? Or is there an additional requirement for a non-development machine to have some kind of SQL Server Express runtime component in addition to the 2.0 Framework?It seems to be counterintuitive to expect that a VB.NET application would be able to access any kind of SQL Server data without having some kind of SQL Server host component (Express or otherwise) installed. But then again, it seems just as counterintuitive that Microsoft would require the download and installation of the new framework as well as a separate database runtime in order for the average user to run an application with accesses a local SQL Server Express database.To me, it runs contrary to the whole concept of XCopy deployment to require more than just the application's files and .NET Framework for an application to run properly. But nothing I've read so far explicitly indicates that a user would require anything more than the app files and the framework to run an application which accesses SQL Server Express data. But...I can't get any VB Express applications which uses a SQL Server Express databases to run on any machine that doesn't have SQL Server Express installed.What am I missing?(Apologies if this isn't the right group to post this in.
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Nov 20, 2009
I have attempted to uninstall VB 2005 express and C++ express using Remove Add programs to no avail. Error message: The Window Installer Package c:program files visual studio 8 vs_setup.msi could not be opened. I have removed the MSDN library and SQL server successfully. I have also tried vs_uninst_betas tool which doesn't find anything to uninstall. I would prefer not to modify the registry if at all possible. If I could find a source for the original install packages for VB and C++ I would attempt reinstalling and then uninstalling....but cannot find them anywhere.
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Feb 25, 2011
Is there any advantage to using the VB2010 express version versus the VB2008 express version? Can they be installed side by side or will VB2010 express replace VB2008? I have no issues with the 2008 version, so I don't know if installing the 2010 version would be of any advantage.
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Sep 21, 2009
how I can implement my calendar with VB .net express 2008 and MSSQL 2008 Express. How do I get it to work with datasets, binding source etc.If I go to Properties>settings my connection string is:
Data Source=.SQLEXPRESS;AttachDbFilename=|DataDirectory|CalendarDatabase.mdf;Integrated Security=True;Connect Timeout=30;User Instance=True
and I have a table with fields:-
CalendarID
Subject
Location
Purpose
[code]....
I can Add the event to the calendar I have the necessary items on my form linked to my table and I can save them to my table:
Me.Validate()
Me.CalendarTableBindingSource.EndEdit()
Me.TableAdapterManager.UpdateAll(Me.CalendarDatabaseDataSet)
But I cant keep the event displayed on my calendar when I close it and open it again.
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Nov 2, 2006
I am trying to figure out a way to connect 2 users within my VB.Net application.The goal would be to send strings/integers/booleans from one computer to another that could be translated on the other side. The effect being a multiplayer game, or a chat box or anything of the sorts.If I wanted to connect to a computer here in the office, I couldn't because I can only connect to the shared IP and not the local IP's...
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Jun 3, 2011
Initially my app worked with excel fine, now it causes my computer to reboot only after Excel has been opened (two or more times). I have opened and closed Excel files 20+ times without running thru either of my apps (they all uses identical code for excel) and it has never caused a reboot or a crash.
run either of my apps and have the app control excel has become a crap shoot, it will reboot my computer. Adding to that I then have to do a manual shutdown because the reboot process after is unstable. (System doesn't respond properly). My code in this app is small, should make for a good example. I can provide the entire project to anyone who would volunteer to test it. (First I need to know how to send the project).
[Code]...
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Jan 7, 2009
'm trying to use Visual Basic 2008 Express and connect to a DB of SQL Server 2008 Express but ... you can tell me why in the Database Explorer and the Data menu of VB only have the following options for data source? Microsoft Access Database File Microsoft SQL Server Compact 3.5 Microsoft SQL Server Database File does not have the options Microsoft ODBC Data Source Microsoft SQL Server obs.: I have the Visual Web Express 2008 installed, and there are the options available.
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