System.Data.ConstraintException Visual Basic 2005 Express / SQL 2005 Express
Aug 18, 2006
This problem only occurs after deployment, not when debugging. In the table I am having a problem with I have an ID field designated as the primary key with the identity increment set to 1 and the identity seed set to 1. There is no data in the table when deployed. I can add records to the datagridview control but when I try updating the dataset I get this error indicating that the ID field already has a value of 1 present. If I close the application and re-start it, the exception no longer occurrs when I update the dataset. I am including the code to update the tables incase something is wrong there. Any suggestions?
Private Sub UpdateMemberTable()
Me.Validate()
Me.TblMembersBindingSource.EndEdit()
Me.TblMembersTableAdapter.Update(Me.ChurchFamilyDataSet.tblMembers)
Me.TblMemberDependentsBindingSource.EndEdit()
Me.TblMemberDependentsTableAdapter.Update(Me.ChurchFamilyDataSet.tblMemberDependents)
Me.TblMemberContributionsBindingSource.EndEdit()
Me.TblMemberContributionsTableAdapter.Update(Me.ChurchFamilyDataSet.tblMemberContributions)
End Sub
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Sep 13, 2006
HiIm trying to connect Visual Basic Express 2005 to a remote SQL Server Express 2005. I cant find how i can do that in VB.net Express.In Web developer there are no problem to connect to a remote SQL server but i cant find it in VB.net Express. The XP with the SQL server that i want to connect to is on the local network. Greatful for help!
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Jun 13, 2007
Hi Guys,
I created a Product database table using Visual Basic 2005 Express and SQL Server 2005 Express. I have just added a new column [Picture] to the database table, which of course, should store an image or picture of a product. I am writing to kindly ask you guys for help .
i) How do I include image files into this column [Picture]?
ii) How do I get this image to display on Visual Basic 2005 Express form, so that when a product is selected the product image is displayed accordingly?
Your help much appreciated. Thanks.
Paul
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Jul 10, 2007
Hello,
Iam new to Visual basic 2005, I have installed SQL Express and prefers to use ADODB to connect to the database.
This is the code i tried
con.Open(cstring1 = "Provider=SQLNCLI.1;" _
& "Server=(local);" _
& "Database=D:VS 2005 ProjectsMyDB.mdf;" _
& "Integrated Security=SSPI;" _
& "DataTypeCompatibility=80;" _
& "Data Source=server1sqlexpress")
The error is comexception was unhandled,
SQL Network Interfaces: Error Locating Server/Instance Specified [xFFFFFFFF].
Can anyone help me out.
I have SQLExpress installed and Visual studio 2005 installed.
Connection string for ADODB ??
Regards,
Sathyan
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Mar 12, 2007
Hi,
I want to make a component library in Visual Basic.NET and connect to a remote Sql Server. When I create a new DataSet with the wizard, I can only connect to a .mdf file, but not to a Sql Server. With Visual Web Developer I can connect to a Sql server. What is the difference between these enviroments ? How can I do the same with Visual Basic.NET ?
Thanks in advance.
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Dec 1, 2006
Hello..
I've installed Visual Basic 2005 express edition & tried to connect to SQL Server 2005 express edition. I noticed that VB2005 Express Edition doesn't have any OLEDB provider for SQL Server. The only OLEDB Provider is for M.Access. Is this correct? if so, what should i do if i want to connect SQL Server 2005 express edition with VB2005 express edition by using OLEDB connection type?
I really appreciate any respond from you guys.. Thank's and waiting for the good news..
Best regards,
VITRELLE
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Nov 21, 2007
Hi all, I have a var called sEP which contains a number. The problem I have is calling that var during an SQL query within Visual Basic. To test the update string I wrote the following query and simply told it to enter the text "Five Stars" on the row which contains the entry '1' in Episode Number column. It works fine. UPDATE JackBennySET Rating= 'Five Stars'
WHERE ([Episode Number]= '1') But how do I replace the '1' in the query with the var sEP (which will contain the actual number I want the query to run against)?I have tried various suggestions from sources including:UPDATE JackBenny SET Rating = 'Five Stars' WHERE [Episode Number] = '" + sEp + "'However, they all fail to update the database at all which makes me think the syntax is incorrect.Any help is very appreciated (I have been seeking help in various places for 2 days now) - I always send small paypal tips to people who help me on forums.
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May 9, 2006
yiotis writes "Is there a way where you can programmatically (via visual basic) replicate two or more SQL Express databases located on multiple computers without the need of SQL Server 2005 acting as a publisher. From what i understand this is a limitation in SQL Express.
Right now i have SQL Express installed on 2 machines. I am able via vb to communicate with each database, read and write data between databases but cannot seem to figure out how to perform a simple replication.
Bottom line is, i need to be able to replicate via vb code 2 sql express databases with each other.
Thanks"
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Oct 8, 2007
Hi, i am new to sql server and visual basic, i need to connect my sql server database to a new application i've developed in visual basic 2005 express. Can any one tell me the steps to do this. Many Thanks.
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May 27, 2007
Hi,
I'm a complete novice concerning SQL Server (Express Edition)
I'm trying to Add or Delete rows froma VB 2005 Express Function or Sub. While the program is running everything is ok. Except when restarted added records are gone and deleted records are back.
Have i missed an option during installation?
Thx,
Steven
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Apr 11, 2006
I've downloaded and installed both of these (VWD installs both) and have been trying to run through the walkthrough of setting up a web application which supports membership. However, no matter what I do I invariably get errors like the following:
An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) (Microsoft SQL Server, Error: -1)
I'm concerned why VWD and VSQL express versions don't run correctly out of the box (so to speak). I'm not an expert on configuring these services -- but that's the point of offering these tools to hobbyists: So we can learn about how to make some of these great applications using MS tools.
My configuration::
Windows XP SP2 -- clean machine as of about a month ago, never had any dev tools, web servers, or the like on it.
IIS is installed and the service says its running
VSQL and VWD express versions installed (no errors on installation)
SQL server service indicates it is running
.Net 2.0 framework installed (no errors on installation)
Note: I've tried installing on two separate machines. Obviously I'm missing something fundamental.
Would someone please help me go through the million things I [apparently] need to do to configure all these tools so I can get on to actually coding up my first web application? If this is documented somewhere, all I can say is I tried to find it but it certainly wasn't obvious.
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Jan 23, 2008
Hi Jonathan Kehayias, Thanks for your valuable response.
I had a hard time to sumbit my reply in that original thread yesterday. So I created this new thread.
Here is my response to the last code/instruction you gave me:
I corrected a small mistake (on Integrated Security-SSPI and executed the last code you gave me.
I got the following debug error message:
1) A Box appeared and said: String or binary data would be truncated.
The statement has been terminated.
|OK|
2) After I clicked on the |OK| button, the following message appeared:
This "SqlException was unhandled
String or binary data would be truncated.
The statement has been terminated."
is pointing to the "Throw" code statement in the middle of
.......................................
Catch ex As Exception
MessageBox.Show(ex.Message)
Throw
Finally
..........
Please help and advise how to correct this problem in my project that is executed in my VB 2005 Express-SQL Server Management Studio Express PC.
Thanks,
Scott Chang
The code of my Form1.vb is listed below:
Imports System.Data
Imports System.Data.SqlClient
Imports System.Data.SqlTypes
Public Class Form1
Public Sub InsertNewFriend()
Dim connectionString As String = "Data Source=.SQLEXPRESS;Initial Catalog=shcDB;Integrated Security=SSPI;"
Dim connection As SqlConnection = New SqlConnection(connectionString)
Try
connection.Open()
Dim command As SqlCommand = New SqlCommand("sp_insertNewRecord", connection)
command.CommandType = CommandType.StoredProcedure
command.Parameters.Add("@procPersonID", SqlDbType.Int).Value = 7
command.Parameters.Add("@procFirstName", SqlDbType.NVarChar).Value = "Craig"
command.Parameters.Add("@procLastName", SqlDbType.NVarChar).Value = "Utley"
command.Parameters.Add("@procAddress", SqlDbType.NVarChar).Value = "5577 Baltimore Ave"
command.Parameters.Add("@procCity", SqlDbType.NVarChar).Value = "Ellicott City"
command.Parameters.Add("@procState", SqlDbType.NVarChar).Value = "MD"
command.Parameters.Add("@procZipCode", SqlDbType.NVarChar).Value = "21045"
command.Parameters.Add("@procEmail", SqlDbType.NVarChar).Value = "CraigUtley@yahoo.com"
Dim resulting As String = command.ExecuteNonQuery
MessageBox.Show("Row inserted: " + resulting)
Catch ex As Exception
MessageBox.Show(ex.Message)
Throw
Finally
connection.Close()
End Try
End Sub
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
InsertNewFriend()
End Sub
End Class
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Aug 8, 2006
When I installed VS 2005, it installed the default version of SQL Server 2005 Express that ships with Visual Studio 2005 installer media.
How can apply SQL Server 2005 Express SP1 to update this existing instance?
Currently, if I run this query:
SELECT @@version
I get the following:
Microsoft SQL Server 2005 - 9.00.1399.06 (Intel X86) Oct 14 2005 00:33:37 Copyright (c) 1988-2005 Microsoft Corporation Express Edition on Windows NT 5.1 (Build 2600: Service Pack 2)
After applying SP1, I should get 9.00.2047.00.
Should I just go to this link and download & install the SQL Server 2005 Express Edition SP1:
http://msdn.microsoft.com/vstudio/express/sql/download/
Thank you,
Bashman
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Dec 14, 2007
When I start Management Studio I get the following message and a suggestion to change a setting:
(I can choose to continue and the system databases appear, but the DB I created does not.)
"Unhandled exception has occurred in a component in your application. Cannot create a stable subkey under a volitile parent key."
************** JIT Debugging **************
To enable just-in-time (JIT) debugging, the .config file for this
application or computer (machine.config) must have the
jitDebugging value set in the system.windows.forms section.
The application must also be compiled with debugging
enabled.
For example:
<configuration>
<system.windows.forms jitDebugging="true" />
</configuration>
When JIT debugging is enabled, any unhandled exception
will be sent to the JIT debugger registered on the computer
rather than be handled by this dialog box.
Any assistance is appreciated.
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Jun 24, 2007
I am new to this type of programming and and have read all articles on adding an image to the database and it seems they all use sql queries to add an image but I want to add an image at design time. I am using Visual Basic 2005. I am also using Visual Basic 2005 Express Edition to try the same thing. I am trying to build a Translator program for english to Brazilian Portuguese and the reason I want to add the images is so that when I translate the word cat from english to Portuguese, I can also show an image of a cat. Can anyone please help me
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May 20, 2006
I have installed Visual Web Developer Express and its companion SQL Server 2005 Express in my Windows XP Professional box.
Now I want to create a database using Visual Web Developer. I opened the Database Explorer and right clicked on Data Connections icon but what I am seeing is an inactive "Create new database" command.
How can I make it active ? How to create a database using my Visual Web Developer?
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Dec 11, 2006
Hi,
I'm trying to learn some VB programming with the VB 2005 Express Absolute Beginner Series video tutorials (which I think is great) and have come across a problem that I can't solve.
When I follow the instructions in Lesson 9 (Databinding Data to User Interface Controls) my application will display the data from the database correctly and I can edit it (and as long as the debugger is running the data remains changed). However, the changes won't propagate back to the database. I don't get any error messages but after I edit the data, save (with the save button on the BindingNavigator toolbar), and end debugging the data in my database remains unchanged. When I use a MessageBox to show how many rows where edited/updated in the
Me.myTableTableAdapter.Update(Me.myDatabaseDataSet.myTable)
I get the correct number back. I'm sure the problem is not due to coding errors since I've also tried running the accompanying Lesson 9 project file that can be downloaded from MSDN and the problem persists.
I'm using Windows XP SP2, SQL Server 2005 Express Edition and VB 2005 Express Edition. I've tried installing SQL Server 2005 Express with a number of different settings, including default settings, but it doesn't make any difference.
Would greatly appreciate any feedback on this as I'm keen to resolve this problem so I can get on with the next tutorial lesson.
Thanks,
Ieyasu
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Jan 29, 2008
Hi,
I have created a database using VB Express 2005 express edition and I have created number of tables and SP's etc.
I am trying to use the database diagram tool but I get an error stating that the database doesn't have a valid dbo. I say yes to the prompt about making myself a valid dbo but I then get a message stating that I do not have permissions to imprersonate the dbo.
How do I overocome this issue?
Thanks
Bill
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Jul 18, 2006
Hello, I would like to know if anyone here has any information on how to change the default version of SQL Server 2005 Express which ships with Visual Studio 2005 to the new SQL 2005 Express SERVICE PACK 1?
I see a file under disc:vswcuSSESQLEXPR.exe I am wondering if changing that file with the new one from Microsoft Download Center will do it...
There's another file under that folder named sqlexpr32.exe I am wondering what it's for?
Thanks in advance.
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Jul 18, 2006
Hello, I would like to know if anyone here has any information on how to change the default version of SQL Server 2005 Express which ships with Visual Studio 2005 to the new SQL 2005 Express SERVICE PACK 1?
I see a file under disc:vswcuSSESQLEXPR.exe I am wondering if changing that file with the new one from Microsoft Download Center will do it...
There's another file under that folder named sqlexpr32.exe I am wondering what it's for?
Thanks in advance.
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May 26, 2008
Hi,
I have VS Pro 2005 and SQL Server Express 2005 installed on an XP Pro machine. When using VS 2005, in the 'Server Explorer' window I can see and attach to two SQL Server databases that I have set-up. But if I attempt to access the same databases from withn the 'Solution Explorer' window I get the following dialog box message,
"
Required Component Missing (Dialog box heading)
Connections to SQL Server Files (*.mdf) require SQL Server Express to function properly. Please verify the installation of the component or download from the URL: http://go.microsoft.com/fwlink/?LinkId=49251
"
I have uninstalled and then reinstalled both VS 2005 and SQL Server Express twice but it has helped.
I don't understand why I'm getting this error because all of the server configuration tools and connection utilities seem to work fine but VS say's that SQL Server Express is not installed.
Thanks,
CLN
P.S.
I had another application that required MSDE 2000A to be installed. When I removed the other application I also removed MSDE 2000A and that's when the problem began.
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Feb 15, 2008
Hi there,
Anyone know how I can replace (or download) the sqlexpr32.exe bootstrap package with the advanced services SP2 edition of SQL 2005 express ?
Pieter
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May 10, 2006
The program shortcut "Visual Studio 2005 Command Prompt" seems to be mising from the "Visual Studio 2005 Command Prompt" Start menu added by the current Microsoft SQL Server 2005 Express Edition Toolkit. Where is it? How to workaround?
I am trying to do Download details SQL Server 2005 Samples and Sample Databases (April 2006) -> GettingStartedWithSQLSamples.htm which says "a. Open a Microsoft Visual Studio 2005 command prompt. Click Start, point to All Programs, point to Microsoft Visual Studio 2005, point to Visual Studio Tools, and then click Visual Studio 2005 Command Prompt." but I can find no such command prompt within "Visual Studio Tools", only "Visual Studio 2005 Remote Debugger{, Configuration Wizard}".
What's wrong? How to fix or workaround? I'd install .NET SDK 2.0 to get it's Command Prompt but that's about 570MB merely for a command prompt!
Thanks for your help, -Mike Parker
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Jul 9, 2006
Hi everyone,I am trying to connect to SQL Server 2005 Express with Advanced Services from Visual Studio 2005 Standard Edition. I have SQL Server 2005 Standard Edition but it took up so much space and resources on my computer that I didn't want to put it back on there. So I put the SQL Express on there and while the Management Studio application connects just fine, VS 2005 will not. Oddly enough, VS 2005 connected just fine to SQL 2005 Standard. I have enabled shared memory, named pipes and TCP/IP. I have set up SQL Express to accept remote connections on named pipes and TCP/IP. And I have tried running SQL Express as the Local System Account, as a Local Service and as a Network Service. Nothing. I have tried feeding the Server Name is the Data Connections dialog in Visual Studio my SQL Express instance as (local)/SQLEXPRESS, localhost/SQLEXPRESS, and {computername}/SQLEXPRESS where {computername} is the name of my local computer which SQL Express is (allegedly) running on. And I cannot get the list of databases on that server.There is probably something very simple that I have left out. Can anyone see what it is?Thanks!
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Dec 5, 2007
Hello
I'm having a problem with the server connection and my C# code. The code executes alright but no data is entered into the database behind it. I'm pasting the connection code over here as well. The sql commands are used in the code. I think I used the sql server mobile edition which is installed along with visual studio.net 2005. Anyone know what's wrong, and can help me out? Thanks in advance.public static void storeInDb(string trackName, string artist, string albumTitle, string year, string path, uint[] fp)
{
string connStr="Data Source=.\SQLEXPRESS;AttachDbFilename='"+path+"\Data\ACI.mdf';Integrated Security=True;User Instance=True";SqlConnection conn = new SqlConnection(connStr);
conn.Open();string sql = "INSERT INTO Clip(Song, Artist, Album, Year) VALUES('" + trackName;sql = sql + "','" + artist + "','" + albumTitle + "','" + year + "')";
SqlCommand cmd = new SqlCommand(sql, conn);
cmd.ExecuteNonQuery();
sql="SELECT max(ClipID) FROM Clip";
cmd = new SqlCommand(sql, conn);int id = Int32.Parse(cmd.ExecuteScalar().ToString());for (int i = 0; i < fp.Length; i++)
{
sql="INSERT INTO Hash VALUES ("+id+","+(i+1)+","+(int)fp[i]+")";cmd = new SqlCommand(sql, conn);
cmd.ExecuteNonQuery();
}
conn.Close();
}
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Sep 29, 2006
I had SQL Server Express Edition installed. I then uninstalled both it and Visual C#. I then installed SQL Server 2005 Developer's Edition and reinstalled Visual C# -- both on the same machine. I can connect to SQL Server 2005 using SQL Server Management Studio. However, Visual C# is a different story. When I try to add a new Data Connection, it defaults the data source to .SQLEXPRESS, which is no longer on my machine. I can select .MSSQLSERVER, but when I click on either OK or Test Connection, I time out with an error message -- error 25 - Connection string is not valid. The connection string that is shown at the bottom of the Advanced dialog box is -- Data Source=.MSSQLSERVER;AttachDbFilename=E:InventoryDataInventory_Data.MDF;Integrated Security=True;Connect Timeout=30;User Instance=True
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Sep 23, 2006
I have windows XP box, installed MS Visual Studio 2005 without SQL 2005 express.After this I have installed SQL 2005 Express edition and then SQL 2005 client toolkit.
Now when I open "SQL Server Business Intelligence Development Studio", it gives message missing shortcut and searches for devenv.exe file. That is the problem, I dont know where is problem..??
Please anybody help me............???
Cheers,
Gurpreet
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Jan 22, 2007
i have sql enterpirse evaluation version and visual basic express loaded on the same machine. from inside vb, when i select from the main menu project->new item then select the sql database icon then the add button i get the following error.
connections to sql server files (*.mdf) require sql server express 2005 to function properly. Please verify the installation of the coponent or dowload from the URL: http://go.microsoft.com/fwlink/!linkID=4951
does vb express work with sql enterprise evaluation version or not ??
if so, what is it that i'm missing.
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Feb 17, 2007
Hi,
Can I upload a database using visual basic 05 express edition ? or do I have to download sql server ?
Thanks
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Mar 28, 2008
I have an application written with Visual Basic Express 2008, which has a Sql Server Express Compact database incorporated into the application. I've been trying to follow the suggestions listed on several threads on how to backup up my database and have not gotten very far. The following code seems to be in most threads.
Dim dbstring = "Data Source=.SQLExpress;Integrated Security=true;User Instance=true;AttachDBFilename=|DataDirectory|ImmuLogDataBase.sdf"
Dim sqlconn As New SqlClient.SqlConnection(dbstring)
sqlconn.Open()
When run, this code returns the following error at the sqlconn.Open() command.
An attempt to attach an auto-named database for file G:ImmuLogImmuLoginDebugImmuLogDataBase.sdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share.
My solution is saved on a flash drive which I take between home and work. I'm hoping that that isn't the issue. I believe that Visual Basic loads the database when it starts and it is already open when this code is run. Is there a way to access this open database and run a backup procedure on it from within VB express 2008?
I'm new to this and self taught so explain everything in detail. Thanks for your help.
Bruce
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Jan 11, 2007
Will the SQL Express SP2 update the Installer package that comes with Visual Studio 2005 so that SQL Express SP2 is included with a ClickOnce or MSI based installer?
Including SP2 on Windows Update is a step in the right direction, but I (and I assume others) really hate the idea of burdening our users with the additional step of obtaining the SP2 update immediately after installing our application. This is especially cumbersome if they are using dial-up Internet connections which, unfortunately, many of our customers continue to use.
Thanks,
Travis
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Feb 12, 2008
Hi guys,
I'm currently taking a course in Visual C#.
The school provided a link to MSDNAA for a free educational copy of Visual Studio 2008, however our school uses Visual Studio 2005. I wanted to use the same thing so I downloaded Visual C# express 2005.
I can't get the darned thing to install properly. I get an error at the end saying
The following failed to install
Micosoft SQL Server 2005 Express edition x86
I don't know what to do. I won't be able to get to work on assignments if I don't get this working soon.
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May 2, 2006
Hi,
In Visual C# Express, I right click on my solution and select Add, new item, and then choose an SQL database. I get the error:
Connections to SQL Server files (*.mdf) require SQL Server Express 2005 to function properly. Please verify the installation of the component or download from the URL: http://go.microsoft.com/fwlink/?LinkId=49251
I completely uninstalled all of the beta Express products I had and reinstalled SQL Server 2005 Express first, which seems to have installed ok. Then I reinstalled Visual C# Express, but still have the same problem.
This is happening on my home pc running Windows XP Home sp2. I successfully got sql working with VC# Express at work on my WinXP Pro system.
Thanks a bunch!
Ron
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