ASP.NET Connection String Problems With SQL Server 2000
Jul 2, 2007
My aspx page is trying to connect to a remote server with SQL Server 2000 installed on it, the ip of the server is 172.16.3.111 and the same is the instance of SQL Server, sql server is running in SQL Server Authentication mode, user id is "test" and password is "test123", name of database is myDB,the connection string which I am providing is as follows:
data source=172.16.3.111172.16.3.111;user id=test;password=test123;initial catalog=myDB;"
But I am getting the following exception:
SQL Server does not exist or access denied.
even if I try the following connection string:
"data source=172.16.3.111;user id=test;password=test123;initial catalog=myDB;"
than also I get the same exception
even if provide the following connection strings:
"SERVER=172.16.3.111;UID=test;PWD=test123;DATABASE =myDB;"
"SERVER=172.16.3.111172.16.3.111;UID=test;PWD=test123;DATABASE =myDB;"
than also I get the same exceptions
Can u please tell whats the problem,is the connection string correct,the DBA has also registered me "test" as a user on the SQL server.One thing which I want to mention is that through enterprise manager I can connect and use sql server without any problems,also please note that in VS.NET when I try connecting using server explorer and test the connection than I connect successfully, than why is problem occuring in connecting throug aspx page.
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Feb 14, 2007
i'm using sql server 2005 express edition as the database server for my web application. Right now, i want to deploy it and the problem is, my hosting is using sql server 2000. So, is it possible to deploy my database that has been created in sql server 2005 in the sql server 2000? I'm afraid that the connection string for sql server 2000 is different from sql server 2005. In addition, i'm using forms authentication in my web application. So, some data regarding to the forms authentication like dbo.asp_net.membership table, dbo.asp_net.roles table is in my database. Is it the table that has been created like dbo.asp_net.membership can be used in sql server 2000 since it is created by asp.net forms authentication function?
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Feb 4, 2006
I am using asp.net 2.0, and am attempting to connect to a SQL Server 2000 database. When I run the web page either in the debugger, or by viewing it in the browser, I get the following error message:
Login failed for user 'sa'. Reason: Not associated with a trusted SQL Server connection.
I think that maybe my values for uid, and pwd are not correct? If this is the problem, then I don’t know what their values should be? Should uid always be equal to sa ??(If so why?)
Also I don’t know what the password should be. I don’t know what the name of the password as it was assigned over two years ago when I installed sql server 2000. I might need some instructions on how to find this value in SQL server.
Someone please help me if you can. Here is a snippet of the code I am using:
String sqlStmt = "INSERT INTO LogIn (UserName,PassWord) VALUES ('JohnyRocket','FastestRocket99')";
SqlConnection sqlConn = new SqlConnection("server=localhost;uid=sa;pwd=;database=MyWebSite;");
SqlCommand sqlCmd = new SqlCommand(sqlStmt, sqlConn);
sqlConn.Open();
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Apr 15, 2008
Hi all,
Please help me for the code of connectivity
it was working fine,but,when i hav written code for validation for id n password,its showing error as
Violation of PRIMARY KEY constraint 'PK_Login'. Cannot insert duplicate key in object 'login_detail'. The statement has been terminated.
Here is my code given below.
Please help me
Imports System
Imports System.IO
Imports System.Xml
Imports System.Text
Imports System.Security.Cryptography
Imports System.Web.UI.WebControls
Imports System.Web.UI.HtmlControls
Imports System.Data
Imports System.Data.SqlClientPublic Class WebForm1
Inherits System.Web.UI.Page#Region " Web Form Designer Generated Code "
'This call is required by the Web Form Designer.<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
End SubProtected WithEvents txtUser As System.Web.UI.WebControls.TextBox
Protected WithEvents txtPwd As System.Web.UI.WebControls.TextBoxProtected WithEvents btnSubmit As System.Web.UI.WebControls.Button
Protected WithEvents lblError As System.Web.UI.WebControls.Label
'NOTE: The following placeholder declaration is required by the Web Form Designer.
'Do not delete or move it.Private designerPlaceholderDeclaration As System.Object
Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Init
'CODEGEN: This method call is required by the Web Form Designer
'Do not modify it using the code editor.
InitializeComponent()
End Sub
#End RegionPrivate Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'Put user code to initialize the page here
Dim objConn As SqlClient.SqlConnection
Dim ds As New DataSetDim m_strConnection As String = "server=172.16.152.17;Database=Trial;UID=abhi_Asset4;PWD=L!nux001;Connect Timeout=100"objConn = New SqlClient.SqlConnection
objConn.ConnectionString = m_strConnection
objConn.Open()
Dim strSQL As String
strSQL = "insert into login_detail(UserID,Password) values('" + txtUser.Text + "','" + txtPwd.Text + "')"Dim objCommand As SqlClient.SqlCommandobjCommand = New SqlClient.SqlCommand(strSQL, objConn)
objCommand.CommandText = strSQL
objCommand.ExecuteNonQuery()
objConn.Close()
End SubPrivate Sub btnSubmit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSubmit.Click
If (txtUser.Text.Trim() = "") Then
lblError.Text = "UserID should not be blank"
ElseIf (Convert.ToInt32(txtUser.Text.Length) < 5) Then
lblError.Text = "UserID length must be more than 5"
ElseIf (Convert.ToInt32(txtUser.Text.Length) > 20) Then
lblError.Text = "UserID length must not be greater than 20"
ElseIf (txtPwd.Text.Trim() = "") Then
lblError.Text = "Password should not be blank"
ElseIf (Convert.ToInt32(txtPwd.Text.Length) < 5) Then
lblError.Text = "Password length must be more than 5"
ElseIf (Convert.ToInt32(txtPwd.Text.Length) > 20) Then
lblError.Text = "Password length must not be greater than 20"
Else
Server.Transfer("Success.aspx")
End IfEnd Sub
End Class
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Nov 4, 2005
Hi,My situation follows: I set up a database called TempDB and a test connection to it that works on my machine.In my database class I am trying to create a connection by doing the following:
connToLookUpData.ConnectionString = "Integrated Security=SSPI;Initial Catalog=dbTest;Data Source=testServer;"
but I am getting the following error: Login failed for user "Joe/ASPNET"i have windows XP OS.I based the connection string on the properties of my connection to Database 'Test'.Joe is the name of my computer. Both the application and SQL Server are now on my local machine.What am I doing wrong? any help greatly appreciated.Thanks much,Joe
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Apr 5, 2006
Do I need to change connection string if I upgrage SQL server from 2000 to 2005 in ASP.NET 2.0?
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Nov 15, 2007
The box I am trying to connect to is running two instances of SQL Server.
There is a SQL Server 2005 instance which is the default. There is a SQL Server 2000 instance which is named 'SQLSERVER'.
I can connect to the SQL Server 2000 instance no problem:<add key="ConnectionString" value="server=MYPCSQLSERVER;database=mydatabase;user id=****;password=****" />
However, I am having trouble connecting to the Default SQL Server 2005 instance. I have tried:
<add key="ConnectionString" value="server=MYPC;database=mydatabase;user id=****;password=****" />
but it doesn't work. I have tried explicitly setting SQL Server 2005 to use port 1434 (as SQL Server 2000 is running on port 1433), and then used:
<add key="ConnectionString" value="server=MYPC,1434;database=mydatabase;user id=****;password=****" />
but this doesn't work either.
Am I mssing something here? Any help much appreciated
Thanks...
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Aug 31, 2005
For nearly 6 wks I have been trying to workout with GoDaddy.com a connection string that will connect to the SQL Server 2000 from my ASP.Net web application. In my programming, I have placed the connection string in the web.config file and then call it from there within code behind using the SQLConnection object. My web.config entry has the following form:
<appSettings>
<add key="Conn" value="server=GoDaddyserver;integrated security=SSPI;database=databaseonGoDaddyserver;" />
</appSettings>I have also written the key supplying the UID and pwd. Nothing works and their support is of no help.Has anyone else had this difficulty either in general or with GoDaddy in particular?
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Jun 17, 2004
Hi, i'm very new to Web Matrix. I've been following the C# end-end application tutorial exactly but i can't seem to run my application.
The code given in the link below is for MS Access but I'm using MS SQL 2000, so i'm not sure of the syntax for the code provided below (string connectionString...)
Please help..thank u!!
http://www.asp.net/webmatrix/guidedtour/section91/bookrequestcontrol.aspx
string connectionString = @"Provider=Microsoft.Jet.OLEDB.4.0; Data Source=D:TempProjectsLibraryDatabase.mdb";
public void LoadRequestedBooks(){
try
{
string mySelectQuery = string.Format("SELECT books.* from books, requests where books.bid = requests.bid and requests.mid = {0}", Session["userid"]);
System.Data.OleDb.OleDbConnection myConnection = new System.Data.OleDb.OleDbConnection(connectionString);
System.Data.DataSet myDataSet = new System.Data.DataSet();
System.Data.OleDb.OleDbDataAdapter myOleDbDataAdapter = new System.Data.OleDb.OleDbDataAdapter(mySelectQuery, myConnection);
myOleDbDataAdapter.Fill(myDataSet);
DataGrid1.DataSource = myDataSet.Tables[0];
DataGrid1.DataBind();
myConnection.Close();
}
catch(Exception exp)
{
Label2.Text = "<br>Error: " + exp.Message + "<br>";
}
}
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Feb 19, 2015
I have a child package where the ConnectionString property of a Connection Manager is set by a Parent Package Variable Configuration. I set up a script task that brings up a message box with the value of the ConnectionString property right before the dataflow task.
MessageBox.Show(Dts.Connections["CPU_*"].ConnectionString.ToString());When I run the parent package, the message box shows that the connection string is changing with every iteration, but in the dataflow it always draws the data from the same source.
The connection manager is an ADO.Net type, RetainSameConnection is set to False, and I've been researching this for days.
(Update 2/23/2015): To make this stranger, when I look at the diagnostic logs, they tell me that when the new connections are being opened they are using the new connection strings.
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Aug 23, 2006
I added a connection (ADO.NET) object by name testCon in the connection manager - I wanted to programmatically supply the connection string. So I used the "Expressions" property of the connection object and set the connectionstring to one DTS variable. The idea is to supply the connection string value to the variable - so that the connection object uses my connection string.
Then I added a "Backup Database Task" to my package with the name BkpTask. Now whenever I try to set the connection property of BkpTask to the testCon connection object, by typing testCon, it automatically gets cleared. I am not able to set the connection value.
Then after spending several hours I found that this is because I have customized the connection string in testCon. If I don't customize the connection string, I am able to enter the "testCon" value in the connection property of the BkpTask.
Is this an intrinsic issue?
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Nov 12, 2007
Hi I am trying to write the following connection string:public static SqlConnection connect() { SqlConnection sqlConn = new SqlConnection("server=9.0.3042;database=Menu;Connection Lifetime=300"); return sqlConn; } I am trying to connect to a sql database using c# code. The code above is in a seperate file. The code below is the code used to talk to the database SqlConnection sqlConn = connection.connect(); sqlConn.Open(); SqlCommand menubar = new SqlCommand("Select * from Menu_table", sqlConn); SqlDataAdapter dataAdapter5 = new SqlDataAdapter(); dataAdapter5.SelectCommand = menubar; DataSet dataSet5 = new DataSet(); dataAdapter5.Fill(dataSet5); DataTable selcartest4 = dataSet5.Tables["table"]; However the connection is just timing out like I have the wrong address set for the connection on the first bit of code posted any heklp would be great cheers J
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Dec 20, 2004
How do I create a connection string to connect to a Sql Server database?
I am using VB.Net to authenticate log on details.
What is the synax of the connection string?
I have tried one version but keep getting an error "Type SQLDataAdapter is not defined.
Can anyone help me with this?
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Jul 30, 2004
Hey guys,
sorry to bother you with something so newbish, but I am trying to connect to a remote sql server db, using vb6.
I want to use ado to do so but have been having problem with some of the samples I have found online.
I will probably just test the connection out on an existing database like pubs or northwind.
Can anyone provide me a code snip please?
This forum has always been a great resource for me, thanks again guys!
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Jul 23, 2005
Hello,I am doing the web based project for the final year of my cousein Information Technology using Asp.net and ms-sql server.But to startwith that I need to connect my web pages to the database.So Can anyone tell me how to connect my page web to the ms-sqlserver using Asp.net(Connection String)?.It will be better if someonegive me the code for the connection string along with the explainationso that I don't have problem understanding it.Any kind of help will be appreciated.Thank You.Suchen Chodankar.
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Sep 12, 2006
Hi,I trying to connect to the sql server in the network. The sqlserver is in the machine called "pinnacle". I am Using the following connection string to connect and i am getting the error "Sql server does not exist or Access denied"Public databaseConnectionStringSQL As String = "Data Source=(pinnacle);Initial Catalog=cms;Trusted_connection=True;User Id=dbuser;Password=password"Any help will be appriciated.Reagrds,Thiyasoft
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Mar 17, 2007
I have the Visual Studio 2005 Team Suite trial version and the SQL Server 2005 trial (which came with team suite) installed in my machine.
When I installed the SQL Server 2005 I installed it in the Windows Authentication mode. So every time I open SQL Server 2005 it doesnt ask for Username/Password (Its greyed out). The only thing available were:
Server Type: Database Engine
ServerName: ServerSue
Authentication: Windows Authentication.
Here is my Problem:
I created a small application in C#. In the web.config file I created the following:
<appSettings>
<add key="resumecon" value="SERVER=ServerSue;database=Resume;"/>
</appSettings>
Then in the Code behind I created the following string:
string strResCon = ConfigurationManager.AppSettings["resumecon"].ToString();
Then in method (for a Login page) I created the connection string as follows and wrote code to insert some values into the Resume database. I called this method on a button click event.
SqlConnection conLogin = new SqlConnection(strResCon);
When I run the page and when I click the button I get the following error:
Login failed for user ''. The user is not associated with a trusted SQL Server connection.
I think some thing is wrong in the addkey of webconfig? How do I change this?
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Mar 22, 2007
I am slightly confused about SQL Server connections strings. When I used the following connection string:
string strConn = "server=deciusawa;database=xxxx;uid=xxxx;pwd=xxxx";
I get an error saying "Format of the initialization string does not conform to specification starting at index 13. "
I spent ages trying to figure out why this was and I eventually discovered that adding an "@" symbol before the string fixed it, i.e.
string strConn = @"server=deciusawa;database=xxxx;uid=xxxx;pwd=xxxx";
Most of the examples I have seen to not use the "@" symbol so I am just wondering what is does and when you need to use it?
Thanks,
Mark
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Apr 28, 2007
I am using SQL server express 2005. I can drag and drop a grid control on to my web form and choose the data source to point to a SQL server database. Then datais nicely displayed on my web form.
Now I need to manually create my connection to the database as I need to read from a text file and then populatea database table with those values I read from the text file. I have not had any success with this though and I am stuck and need some help.
Below is my C# code and I list the web.config code where my connection string is stored.
Note that I can trace into the C# line of code below. If I then do a "Quick Watch" on "myConnection" in the debugger, the followingerror message is displayed:
ServerVersion 'myConnection.ServerVersion' threw an exception of type 'System.InvalidOperationException' string {System.InvalidOperationException}
So I don't know what the problem is here. If someone can help me out I would be forever thankfull
C# code:
SqlConnection myConnection = new SqlConnection(ConfigurationSettings.AppSettings["TheDividerConnectionString"]);
Here is the connection string as defined in the web.config file:
<connectionStrings> <add name="TheDividerConnectionString" connectionString="Data Source=BVCOMPUTERSQLEXPRESS;Initial Catalog=TheDivider;Integrated Security=True" providerName="System.Data.SqlClient" /> </connectionStrings>
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Aug 18, 2007
I'm trying really hard to set this website up so that I can have a web layer... bll, and dal. But I can't figure out the connection string in the config file. Can someone take a look? <connectionStrings> <add name="SearchConnectionString" connectionString="Data Source=AURORASQLEXPRESS;Initial Catalog=Search;"/> <add name="SearchEngine.DAL.Properties.Settings.SearchConnectionString" connectionString="Data Source=AURORASQLEXPRESS;Initial Catalog=Search;" providerName="System.Data.SqlClient"/></connectionStrings>
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Nov 11, 2005
I've been using my old connection string for years, and it has worked fine in 1.1 and 2.0 betas
It's pretty basic: "Data Source=Computername;Initial Catalog=MyDB;Integrated Security = true"
For some reason, I am having trouble getting this to work on SQL Server 7 with the release code of asp.net 2.0
What does work is to open up TCP/IP on the server network utility (I
usually only use named pipes) and change the connection string to "Data
Source=123.123.123.123;Initial Catalog=MyDB;Integrated Security = true"
The latter (with the IP of the box istead of 123....) works great, so I
can be sure that my IWAM account has correct permissions to access the
DB.
Does ASP.NET talk with sql servers using a different protocol than
Named Pipes by default? I'm a bit spooked to open up TCP/IP on my
production box as I saw the damage that SQL Slammer did a few years
back, and want to keep everything as locked down as possible.
Thanks,
John
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Apr 29, 2006
I have the following connection string in my Windows app that works fine on the Server:
workstation id=SCSXP;packet size=4096;integrated security=SSPI;data source=scsxp;persist security info=False;initial catalog=nala
But when I use that string on a workstation, it times out. I do have a Network connection to the Server.
How should I modify the connection string to work on the workstation?
Thanks,
Bill
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Jul 29, 2004
The connection string I'm currently using for SQL Server is Provider=SQLOLEDB;Server=SERVERVSDOTNET;Database= CCDDbase;Integrated Security=SSPI
would this be the same query string for MSDE database? I'm quite new in MSDE but I know that except for the tools that comes with SQL Server and its size, they are practically the same...
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Feb 1, 2008
Hello,
I'm working with classic ASP and am having a terrible time trying to get a proper connection string working with my database. Could someone please advise me on how to get the following code to connect to my database (which is using Windows Authentication)?
If fileSize > 0 Then
' Connection string
Dim connStr
connStr = "Provider=SQLNCLI;Server=Dell-LaptopSQLEXPRESS;Database=Upload;Trusted_Connection=yes;"
' Recordset object
Dim rs
Set rs = Server.CreateObject("ADODB.Recordset")
rs.Open "Files", connStr, 2, 2
Right now the error I'm receiving is:
"SQL Network Interfaces: Error Locating Server/Instance Specified
Also, I'm using II7 with Vista.
Thanks,
Trix.
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Apr 22, 2008
What is the connection string for access a database of a linked server in sqlserver
Thanks
I add a linked server (another sqlserver server2) to my sqlserver(server1) , I need make a sqlconnection to the linked server connecting my sqlserver (server1)
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May 1, 2008
how to get the catalog name for the SQL server without connection string
through the front end is that possible
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Apr 18, 2007
Analysis Services has a CustomData connection string property. You can put anything on it, then inside an MDX query you can use the CustomData() function to retrieve whatever was on the connection string. This is helpful for passing in a security token.
Is there anything equivalent for SQL Server?
I also posted this here, but got no response so thought I'd check in the security forum.
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Jun 14, 2007
I know I am doing something boneheaded but after much Googling I still can't figure it out. I am upgrading my Windows 2000 with SQL Server 2000 machine to Windows 2003 Web with SQL Server 2005 Express.
I have a bunch of legacy ASP pages that I need to get working. But I am having a problem with my Connection String. It may stem from the fact that I did not think that before I needed a servername/instance name. I only needed an instance name on the old machine. So I've tried a bunch of different connection strings and I either get this on the ASP Pages:
Named Pipes Provider: Could not open a connection to SQL Server [53].
or this:
SQL Network Interfaces: Error Locating Server/Instance Specified [xFFFFFFFF].
Here are a few connection strings I've tried (with the password etc. tweaked for the public):
ConnString = "Provider=SQLNCLI;Server=AP5;Database=abcdb;Uid=sa;Pwd=abc123;"
ConnString = "Provider=SQLNCLI;Server=AP5SQLEXPRESS;Database=abcdb;Uid=sa;Pwd=abc123!;"
ConnString = "Provider=SQLNCLI;Server=AP5AP5;Database=abcdb;Uid=sa;Pwd=abc123!;"
ConnString = "Driver={SQL Native Client};Server=AP5AP5;Database=abcdb;Uid=sa;Pwd=abc123!;"
When I go into SQL Server Management Studio at the top it says AP5AP5. I named the Windows 2003 Server the same as the SQL Server Express Instance (Both AP5), but that should be all right shouldn't it?
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Sep 8, 2015
I develop a website. When I work in local machine for login/logout, The connectionstring works well.
<add name="DefaultConnection" connectionString="Data Source=(LocalDb)v11.0;AttachDbFilename=|DataDirectory|xxxxx.mdf;Initial Catalog=Restaurants;Integrated Security=True" providerName="System.Data.SqlClient" />
But When I deploy the web to IIS server. The I always can't work normally. The system cannot find the file specified..An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.ComponentModel.Win32Exception: The system cannot find the file specified
Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
[Win32Exception (0x80004005): The system cannot find the file specified].[SqlException (0x80131904): 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: 52 - Unable to locate a Local Database Runtime installation. Verify that SQL Server Express is properly installed and that the Local Database Runtime feature is enabled.)]
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Jul 27, 2006
<connectionStrings>
<add name="AppConnectionString1" connectionString="Data Source=".SQLEXPRESS";AttachDbFilename="C:Program FilesMicrosoft SQL ServerMSSQLDataAdventureWorks2000_Data.mdf";Integrated Security=True"
providerName="System.Data.SqlClient" />
</connectionStrings>
I'm running Microsoft SQL server 2005. what is the error in the above code.
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Dec 5, 2006
Sorry for the newbie question, but....
I have developed a website on my local development machine. When I create the connections string VS automatically creates a path to my local hard drive inside the string.
Data Source=.SQLEXPRESS;AttachDbFilename="C:Documents and SettingsMikeMy DocumentsVisual Studio 2005WebSitesPostAlertzApp_DataPADatabase.mdf";Integrated Security=True;Connect Timeout=30;User Instance=True
However, when I deploy this website to a remote server, SQLExpress tries to attach to the file using the wrong path. How do I fix this?
Your patience is appreciated...
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Jan 2, 2007
Hi,
I have just uninstalled SQLEXPRESS and installed the 180 day trial SQL server 2005 enterprise edition.
I have since started to have problems with my ASP.Net Configuration Tool., can not connect to the database.
I think that the connection string in my machine.config file is incorrect, before installing I had,..:
datasource=./SQLEXPRESS,....
So i decided to change that part to the following. Would anybody know what I have put in the datasource part for the SQL server 2005 enterprise edition? At the moment I tried SQLSERVER2005 but that is incorrect,..
<add name="LocalSqlServer" connectionString="data source=./SQLSERVER2005;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|aspnetdb.mdf;User Instance=true" providerName="System.Data.SqlClient" />
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