Testing A Connection String

Jul 23, 2005

Hi,[color=blue]
>From my vb.net application I want to test a connection to a server and[/color]
a database, given a user name, password, server name and database name.
What is the best way to test if the connection string is valid or not ?
Would a connection to the Master DB be enough to say it is valid or not
?

Thx

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I have a server with several linked servers. Before I execute sql against any of these linked servers I want to check to make sure the connection is active.

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The problem is that I am having trouble with the error. When I shut down the linked server and run the select statement I get the following error returned:

Server: Msg 11, Level 16, State 1, Line 1
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The stored procedure I have only returns this message and does not send the return value that I set. How do I get my procedure to return a failure value instead of the following error above? Is there a better way for me to check for this type of error?

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We are running Reporting Services 2008 R2 on a Windows Server 2008 Standard 64-Bit server.  I have a user that has full access to Reporting Services at all folder levels but IS NOT a local administrator on the 2008 server.

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I don't want to make this user an administrator on the server. 

This is an extract from the log file:

ibrary!ReportServer_0-24!3478!08/16/2011-13:45:37:: Call to TestConnectForDataSourceDefinitionAction().
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[code]....

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Hi,
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<membership defaultProvider="MySqlProvider"><providers><remove name="AspNetSqlProvider"/><add name="MySqlProvider" connectionStringName="SqlConn" type="System.Web.Security.SqlMembershipProvider" applicationName="/" /></providers></membership>
But when I try to login to the site using the login control the following error occurs:
Server Error in '/etest' Application.


Configuration Error Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately. Parser Error Message: The connection name 'LocalSqlServer' was not found in the applications configuration or the connection string is empty.Source Error:



Line 149: <roleManager>
Line 150: <providers>
Line 151: <add name="AspNetSqlRoleProvider" connectionStringName="LocalSqlServer" applicationName="/" type="System.Web.Security.SqlRoleProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
Line 152: <add name="AspNetWindowsTokenRoleProvider" applicationName="/" type="System.Web.Security.WindowsTokenRoleProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
Line 153: </providers>Source File: C:WINDOWSMicrosoft.NETFrameworkv2.0.50727Configmachine.config    Line: 151


Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.213
 It is clear that this is a prblem with my Machine.Config file - since I've "worked!" on this file for a while. But when I've checked the Machine.config file I've found the LocalSqlServer connection it is talking about! .
I'm lost and I dunno what to do, can anyone help?
Here is the mahine.config in case if you need it:<connectionStrings>
<add name="LocalSqlServer" connectionString="data source=.;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|aspnetdb.mdf;User Instance=true" providerName="System.Data.SqlClient" /></connectionStrings>
<system.data><DbProviderFactories>
<add name="Odbc Data Provider" invariant="System.Data.Odbc" description=".Net Framework Data Provider for Odbc" type="System.Data.Odbc.OdbcFactory, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" /><add name="OleDb Data Provider" invariant="System.Data.OleDb" description=".Net Framework Data Provider for OleDb" type="System.Data.OleDb.OleDbFactory, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
<add name="OracleClient Data Provider" invariant="System.Data.OracleClient" description=".Net Framework Data Provider for Oracle" type="System.Data.OracleClient.OracleClientFactory, System.Data.OracleClient, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" /><add name="SqlClient Data Provider" invariant="System.Data.SqlClient" description=".Net Framework Data Provider for SqlServer" type="System.Data.SqlClient.SqlClientFactory, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
<add name="SQL Server CE Data Provider" invariant="Microsoft.SqlServerCe.Client" description=".NET Framework Data Provider for Microsoft SQL Server 2005 Mobile Edition" type="Microsoft.SqlServerCe.Client.SqlCeClientFactory, Microsoft.SqlServerCe.Client, Version=9.0.242.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91" /></DbProviderFactories>
</system.data><system.web>
<processModel autoConfig="true" /><httpHandlers />
<membership><providers>
<add name="AspNetSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" connectionStringName="LocalSqlServer" enablePasswordRetrieval="false" enablePasswordReset="true" requiresQuestionAndAnswer="true" applicationName="/" requiresUniqueEmail="false" passwordFormat="Hashed" maxInvalidPasswordAttempts="5" minRequiredPasswordLength="7" minRequiredNonalphanumericCharacters="1" passwordAttemptWindow="10" passwordStrengthRegularExpression="" /></providers>
</membership><profile>
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</providers></profile>
<roleManager><providers>
<add name="AspNetSqlRoleProvider" connectionStringName="LocalSqlServer" applicationName="/" type="System.Web.Security.SqlRoleProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" /><add name="AspNetWindowsTokenRoleProvider" applicationName="/" type="System.Web.Security.WindowsTokenRoleProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
</providers></roleManager>
</system.web>

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Line 24: </Fields>
Line 25: </aspetailsView>
Line 26: <aspqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStringsINEMgtConnectionString2 %>"
Line 27: InsertCommand="INSERT INTO Signup(first_name, last_name, email, customer_id) VALUES (,,,)"
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The dump is:




[InvalidOperationException: The connection name 'PINEMgtConnectionString2' was not found in the applications configuration or the connection string is empty.]
System.Web.Compilation.ConnectionStringsExpressionBuilder.GetConnectionString(String connectionStringName) +3039085
ASP.default_aspx.__BuildControlSqlDataSource1() in d:hostinguck7scoutDefault.aspx:26
ASP.default_aspx.__BuildControlform1() in d:hostinguck7scoutDefault.aspx:10
ASP.default_aspx.__BuildControlTree(default_aspx __ctrl) in d:hostinguck7scoutDefault.aspx:1
ASP.default_aspx.FrameworkInitialize() in d:hostinguck7scoutDefault.aspx.vb:912306
System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +40
System.Web.UI.Page.ProcessRequest() +86
System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) +18
System.Web.UI.Page.ProcessRequest(HttpContext context) +49
ASP.default_aspx.ProcessRequest(HttpContext context) +29
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +303
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +64


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I have seen another thread with this same problem, but the problem seemed to be a typo. I am getting an error when I try to access the web site ..


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<?xml version="1.0"?>
<!--
Note: As an alternative to hand editing this file you can use the
web admin tool to configure settings for your application. Use
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A full list of settings and comments can be found in
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-->
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Set compilation debug="true" to insert debugging
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Visual Basic options:
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-->
<compilation debug="true" strict="false" explicit="true"/>
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<namespaces>
<clear/>
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<add namespace="System.Collections"/>
<add namespace="System.Collections.Specialized"/>
<add namespace="System.Configuration"/>
<add namespace="System.Text"/>
<add namespace="System.Text.RegularExpressions"/>
<add namespace="System.Web"/>
<add namespace="System.Web.Caching"/>
<add namespace="System.Web.SessionState"/>
<add namespace="System.Web.Security"/>
<add namespace="System.Web.Profile"/>
<add namespace="System.Web.UI"/>
<add namespace="System.Web.UI.WebControls"/>
<add namespace="System.Web.UI.WebControls.WebParts"/>
<add namespace="System.Web.UI.HtmlControls"/>
</namespaces>
</pages>
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of the security authentication mode used by
ASP.NET to identify an incoming user.
-->
<authentication mode="Windows"/>
<!--
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<error statusCode="403" redirect="NoAccess.htm" />
<error statusCode="404" redirect="FileNotFound.htm" />
</customErrors>
-->
</system.web>
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Good Morning,



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Code Snippet

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string strConnect;
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SqlCommand objCommand;
SqlDataAdapter objDatatAdapter;
DataSet objDataSet;
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Line 166:objDatatAdapter = new SqlDataAdapter();
Line 167:objDataSet=new DataSet();
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Line 170:objCommand

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May 5, 2008

 hi all...i need the code for providing connection string in visual J#....am declaring the connection string globally in webconfig file using the key 'SqlCon' am integrate the connection in all my pages..in C# am using like this             string Strconnection1 = System.Configuration.ConfigurationSettings.AppSettings["SqlCon"];            SqlConnection Sql_con1 = new SqlConnection(Strconnection1);            Sql_con1.Open();  but in J# i dont know how to implement the connection....if anybody have an idea let me know quickly....thanks in advance.... 

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Connection String Help

May 6, 2008

Hello all,
Please help me as i am not able to connect to my database
i have my databse in datab directory
and this is my connection string
<add name="Connstrmy" connectionString="my server ; AttachDbFilename=&quot;datadirectory est.mdf&quot;;uid=username; pwd=passowrd;"
providerName="System.Data.SqlClient" />
 
hosting people have said that you are using uid and password for databse and not of server
i have to add user id and password for server also
how do i do that?
is user id=uid
pwd=password?
please help me

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