Attaching SQL Server Express DB Using Code?
Jan 26, 2012
I am using the following VB code to attach my DBs to server.
Dim cnnConnection As New SqlConnection("Data Source=.SQLEXPRESS;AttachDbFilename=" & Application.StartupPath + "datafiles" + TextBox1.Text + ".mdf" & ";Integrated Security=True;Database='" & TextBox1.Text & "';Connect Timeout=30")
cnnConnection.Open()
But it gives an error:
Unable to open the physical file "D:.Net ProgramsSQLDBAttachExperimentsSQLDBAttachExperimentsinDebugdatafilesdbSQLtest.mdf". Operating system error 5: "5(error not found)". Cannot attach the file 'D:.Net ProgramsSQLDBAttachExperimentsSQLDBAttachExperimentsinDebugdatafilesdbSQLtest.mdf' as database 'dbSQLtest'.
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Apr 21, 2011
Having recently installed IIS Express I was hoping that it was going to make life easier for me, but I've run into a problem almost straight away.Consider the following which is representative of some live code:
Public Shared Function GetServiceId() As String
Dim principal As MyCustomAuthentication.Principal.MyPrincipal
principal = CType(Thread.CurrentPrincipal, MyCustomAuthentication.Principal.MyPrincipal)
[code]....
Running the code under the ASP.NET Web Server (Cassini) everything is fine and I can see that Thread.CurrentPrincipal is of type MyCustomAuthentication.Principal.MyPrincipal.Running under IIS Express this same line throws an InvalidCastException and checking the type I find it is now of System.Security.Principal.GenericPrincipal which is confusing as nothing else has changed.I can confirm that MyCustomAuthentication.Principal.MyPrincipal implements IPrincipal and remember this is Live code, it is currently deployed and working.
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Jan 27, 2012
Just after installing my application, I need to attach my DB to SQL server. I am using following code for it.
Dim cmd As New SqlCommand()
Dim vrMyConString As String = "Data Source=.SQLExpress; INITIAL CATALOG=master; uid=sa; pwd=sa;"
Dim conn As System.Data.SqlClient.SqlConnection = New SqlConnection(vrMyConString)
cmd.CommandText = "sp_attach_db 'e:dbTest.mdf', 'e:dbTest.ldf'"
' conn.ConnectionString = "Data Source=.SQLExpress; INITIAL CATALOG=master; uid=sa; pwd=sa;"
conn.Open()
[Code]...
It returns an error:"Login failed for user 'sa'. The user is not associated with a trusted SQL Server connection."
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Jan 13, 2011
I already made a .VB project using MVS 2010,I'm new in attaching database to SQL server and I'm confused attaching which database I'm going to attach because in the same folder i found that there's two
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Jan 27, 2012
Just after installing my application, I need to attach my DB to SQL server. I am using following code for it.[code]It returns an error: "Login failed for user 'sa'. The user is not associated with a trusted SQL Server connection."
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Jan 26, 2012
if user needs to attach the databases to the instance of server manually before being able to use the application?I have added the mdf file to my Setup project. It installs and copies the file to application folder. I donot know if the file needs to be attached or there is a way that application could do it automatically (attach to MyComputerSQLExpress)
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Feb 15, 2012
I am attaching DBs using following code.
Dim conn As New SqlConnection("Server=MyHomeServerSQLExpress;Database=master;Integrated Security=SSPI")
Dim cmd As New SqlCommand("", conn)
cmd.CommandText = "CREATE DATABASE dbNoPWD ON ( FILENAME = 'd:dbNoPWD.mdf' ), ( FILENAME = 'd:dbNoPWD_log.ldf' ) FOR ATTACH"
conn.Open()
cmd.ExecuteNonQuery()
cmd.Dispose()
conn.Dispose()
I do not want to give any username and password. When I ran the above code and then checked SSMS, I found my attach DB was not checked in Roles (pls. see pic.) The problem with this is my network computers can not access this DB. I want to run some code like above (without sa password) and want that all my network computers can access the DB without my user get involved in setting up SSMS.
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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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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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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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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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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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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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Sep 30, 2011
I am writing a custom application for IMAIl express 11.5 using IMAIl Server API for .Net
I am using the following code:
Dim DomData As New DomainData()
DomData.Aliases = "TestALias"
[code].....
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Nov 15, 2009
Ive been using both SQL Server CE and SQL Server Express. Both are pretty easy to program. What are the considerations for choosing one over the other ?
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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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Jul 25, 2010
will SQL statements that work in Compact SQL Server also work in the Express Edition of SQL Server?
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Mar 4, 2011
May I ask a question to you all.I have vb.net project that generate sales report from SQL Server Database.I changed SQL Server 2005 Express to SQL Server 2005 Standard Edition.
After that my program can't run properly and every time I got Time Out Expire message.
That program work properly with SQL Server 2005 Express.May I request suggestion how to fix this.
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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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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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Mar 14, 2012
why i'm getting the following error from the code below:
Error Type:
Active Server Pages, ASP 0221 (0x80004005)
The specified 'Import Namespace="System.Data.OleDb" ' option is unknown or invalid.
/default.asp, line 6
[Code].....
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Sep 16, 2010
Ran into this problem of connection string using vb.net and sqlserver 2005 express. My current connection string works well locally but when deployed on a client, i get a connection. Can anyone help with the right connection string to us in order to deploy to other client(pc's).
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Dec 11, 2011
where do i get DB2.net provider , i almost searched on google but did not get the down load link.
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Dec 31, 2007
In the beta version of Beta2 of Visual Studio Professional, when I choose add new connections, I can select a I can select a " SQL Server (SQL Client)" datasource, which works great with my SQL Server Express DB running on the local machine.
In VB2008 Express, though, I can't select a "SQL Server" in the datasource dropdown. I can only try to connect to a Microsoft SQL Server Database File.
When I actually try to connect using the .mdf file that is being managed by my local SQL Server, I get an connection error -- can't make connection to the server (and the usual message about enabling remote connections".
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Jan 17, 2010
I am using this connection string to connect to my database and still it won't connect[code]....
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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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Dec 7, 2009
create an SQL Server (express) database (.mdf).
most of the example in the walkthrough make use of the pre made northwind database(.mdf)
i will use the database that i will make to get connected from my application. the connection would client-server and what i have noticed, that this is possible if your database is an SQL version with extension filename of .mdf.
Or if its possible to create this database just using the Visual Studio 2008 Pro(90-day trial)
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Oct 28, 2009
I started coding my first "real" stand-alone desktop application in VB 2008 Express. I was led into believing that using SQL Express Compact Edition was the thing to use for my database since it would reside on each PC (laptops) that I installed the program on. I created all my tables and about 6 forms and all was going well until I came to the point where I need to display a grid showing data from multiple tables using what i think is supposed to be a view. Now the problem is that CE doesnt allow views. Here are my questions:
1. Can I convert my CE database file into an SQL Server Express file?
2. Do I have to re-write all my forms that are using the database? I am planning on creating my SQL Server Express database with the same table names and the same field names, data types, etc.
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Oct 18, 2009
I use Ms VB 2008 express edition with SQL server express. I want to know what is the reference to be added to make a connection the SQL express database?
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