Ado.net 2.0 And Sql Server 2000 Connection Error

Nov 14, 2006

I am trying to make a simple connection to my sql server, but am getting an error.  I am not sure why it says SQL Server 2005 in the error as we use 2000.  I have found others to have the problem on the web, but have found no answers.  One person said the sql connection worked when he downgraded to 1.1; however, I'd like to avoid that.  Here is my code:

 

<%@Import Namespace="System.Data.SqlClient" %>

<script runat="server">

Sub Page_Load()

Dim conNorthwind As SqlConnection

 

conNorthwind = New SqlConnection("Server=1CDRSRV4; uid=username; pwd=password; database=Northwind")

conNorthwind.Open()

End Sub

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >

<head runat="server">

<title>Untitled Page</title>

</head>

<body>

Connection Opened!

</body>

</html>

 

 

here is my error:

 

 


 
Server Error in '/' Application.


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: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)

Description: 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.Data.SqlClient.SqlException: 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: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)

Source Error:





Line 6:
Line 7: conNorthwind = New SqlConnection("Server=1CDRSRV4; uid=sa; pwd=sa; database=Northwind")
Line 8: conNorthwind.Open()
Line 9: End Sub
Line 10: </script>
Source File: C:Inetpubwwwrootchap2sqlconnection.aspx    Line: 8

Stack Trace:





[SqlException (0x80131904): 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: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)]
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +734995
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +188
System.Data.SqlClient.TdsParser.Connect(Boolean& useFailoverPartner, Boolean& failoverDemandDone, String host, String failoverPartner, String protocol, SqlInternalConnectionTds connHandler, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, SqlConnection owningObject, Boolean aliasLookup) +820
System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +628
System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +170
System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) +359
System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +28
System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +424
System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +66
System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +496
System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +82
System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +105
System.Data.SqlClient.SqlConnection.Open() +111
ASP.chap2_sqlconnection_aspx.Page_Load() in C:Inetpubwwwrootchap2sqlconnection.aspx:8
System.Web.Util.CalliHelper.ArglessFunctionCaller(IntPtr fp, Object o) +5
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +783999
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System.Web.UI.Control.LoadRecursive() +47
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1061





Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.210

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    // Insert page code here    //
</script><html><head>    <script language="C#">void page_load(object sender, EventArgs e){SqlConnection myConnection = new SqlConnection("server='(local)'; trusted_connection=true; database='mattsDEMO'");SqlDataAdapter myCommand = new SqlDataAdapter("select * from people", myConnection);
DataSet ds = new DataSet();myCommand.Fill(ds, "people");
MyDataGrid.DataSource=ds.Tables["people"].DefaultView;MyDataGrid.DataBind();}
</script></head><body>    <form runat="server">        <p>            &nbsp;        </p>        <p>            <asp:Label id="Label1" runat="server">This is a test!</asp:Label>        </p>        <p>            <asp:DataGrid id="myDataGrid" runat="server" BorderColor="Maroon"></asp:DataGrid>        </p>    </form></body></html>Thanks,Ryan

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Need Help With Connection String For SQL Server 2000

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:
 
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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.
 
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String sqlStmt = "INSERT INTO LogIn (UserName,PassWord) VALUES ('JohnyRocket','FastestRocket99')";
 
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Jul 19, 2006

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Jul 2, 2007

Respectde Friends,

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



At last I tryed with the combination of ip address and sql server instance name in the datasource but still getting 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.



Please reply soon because I am very much confused and totally unable to resolve the problem.

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Oct 18, 2007



Hello Everyone
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I have modified the TCP port of Sql Server 2000 in 1453, instead 1433.

In my PC I have modified cliconfig and in Sql Native Client configuration, setting the client TCP port to 1453.
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Tnx

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Apr 19, 2006

Hi:

I am new to ASP.NET. I just started to learn ASP.NET. I am connecting SQL Server 2000 Database.

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Below is my code:

<%@ Page language="VB" Codebehind="Repeater.aspx.vb" AutoEventWireup="false" Inherits="WebApplication28.WebForm1" %>
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Sub Page_Load
Dim conPubs As SqlConnection
Dim cmdSelect As SqlCommand
Dim dtrAuthors As SqlDataReader

'Retrieve records from database
conPubs = New SqlConnection("Server=localhost;UID=sa;PWD=sa;Database=Pubs")
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conPubs.Open()
dtrAuthors = cmdSelect.ExecuteReader()

'Bind to Repeater
rptAuthors.DataSource = dtrAuthors
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dtrAuthors.Close()
conPubs.Close()
End Sub

</Script>

<html>
<head>
<title>Repeater.aspx</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="vb">
<meta name=vs_defaultClientScript content="JavaScript">
<meta name=vs_targetSchema content="http://schemas.microsoft.com/intellisense/ie5">
</head>
<body MS_POSITIONING="GridLayout">

<form id="Form1" method="post" runat="server">
<asp:Repeater ID="rptAuthors" Runat="server">

<ItemTemplate><%# Container.DataItem("au_lname")%></ItemTemplate></asp:Repeater>

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Thank you.

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Dec 25, 2007

Hi!!

I'moving my asp application to a new hosting server.

So when i tried the setup locally with the live DB & application in my test machine...
The DB access is denied when application tries to hit the DB.


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Kindly help me with your suggestions....on what went wrong?

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Error: 26 - Error Locating Server/Instance Specified - (My Hosting Company Says It's In My Connection String) NOT!

May 24, 2007

Hi All...



I am trying to move my site (incomplete) for testing and I am finding that the Db connection process to be

the most difficult, well back to my problem. I can't seem to get past this error and am frustrated with overall

connectivity problems. Please help!!!



===================================================================================


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)

Description: 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.Data.SqlClient.SqlException: 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)

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.
Stack Trace:





[SqlException (0x80131904): 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)]
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +735123
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +188
System.Data.SqlClient.TdsParser.Connect(Boolean& useFailoverPartner, Boolean& failoverDemandDone, String host, String failoverPartner, String protocol, SqlInternalConnectionTds connHandler, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, SqlConnection owningObject, Boolean aliasLookup) +820
System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +628
System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +170
System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) +130
System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +28
System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +424
System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +66
System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +496
System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +82
System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +105
System.Data.SqlClient.SqlConnection.Open() +111
System.Web.DataAccess.SqlConnectionHolder.Open(HttpContext context, Boolean revertImpersonate) +84
System.Web.DataAccess.SqlConnectionHelper.GetConnection(String connectionString, Boolean revertImpersonation) +197
System.Web.Security.SqlMembershipProvider.GetPasswordWithFormat(String username, Boolean updateLastLoginActivityDate, Int32& status, String& password, Int32& passwordFormat, String& passwordSalt, Int32& failedPasswordAttemptCount, Int32& failedPasswordAnswerAttemptCount, Boolean& isApproved, DateTime& lastLoginDate, DateTime& lastActivityDate) +1121
System.Web.Security.SqlMembershipProvider.CheckPassword(String username, String password, Boolean updateLastLoginActivityDate, Boolean failIfNotApproved, String& salt, Int32& passwordFormat) +105
System.Web.Security.SqlMembershipProvider.CheckPassword(String username, String password, Boolean updateLastLoginActivityDate, Boolean failIfNotApproved) +42
System.Web.Security.SqlMembershipProvider.ValidateUser(String username, String password) +83
System.Web.UI.WebControls.Login.OnAuthenticate(AuthenticateEventArgs e) +160
System.Web.UI.WebControls.Login.AttemptLogin() +105
System.Web.UI.WebControls.Login.OnBubbleEvent(Object source, EventArgs e) +99
System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +35
System.Web.UI.WebControls.Button.OnCommand(CommandEventArgs e) +115
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +163
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +7
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +11
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5102





Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.210





Now you all must admit that, if your somewhat new to this databasing, It's a ***.



The source for my application is Visual Web Designer 2005 Express

It is an ASP.Net driven site with membership roles and all the good stuff.

the latest theory is that I need to change the provider config in the web.config file from AspNetSqlProvider

to something else. Most of my complications and frustrations come from GoDaddy and no access to the

shared server (understandibly).



I hope I gave enough info for help and not too much..



Dave



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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 exceptionsCan 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 27, 2007

I€™m trying to resolve an issue and wonder if anybody has ever run into and possibly had a resolution for.

I wrote a custom conflict resolvers to manage data at the column level. What I needed to do to achieve this was to use a remote query to the mobile subscriber that raised the conflict. I€™m trying to put in a rule that if there are any issues connecting to the subscriber I want to use the default conflict resolver and move forward. Here is my issue, it seems there is no way I can test a connection without getting a critical error that I can€™t seem to trap. Example

I was trying to do

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If @@error <> 0
use default conflict resolver

What I did to test this was I changed the linked server authentication to an incorrect password to get the following error that there is no way to trap.

Server: Msg 18456, Level 14, State 1, Line 1
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Does anybody have an idea how to trap this? In SQL 2005 there is a stored procedure

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Thank you,
Pauly C

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