From: johansson.andersson@telia.com   
      
   I have tried with Visual Studio 2010 Proffessional and Visual Web developer   
   express 2010 but I get the following error when I try   
   to run the web site.   
   I have also sql server 2008 installed.   
   I addending a cource and when I try to run the web site that we have got as   
   examples I get this error.   
   Does anyone know how to correct so I can run the examples ?   
      
      
   Here is the error that I get   
   *******************   
   An attempt to attach an auto-named database for file G:\ASP Module   
   3\CarsDB.mdf failed. A database with the same name exists, or specified file   
   cannot be opened, or it is located on UNC share.   
   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 attempt to attach   
   an auto-named database for file G:\ASP Module 3\CarsDB.mdf failed. A   
   database with the same name exists, or specified file cannot be opened, or   
   it is located on UNC share.   
      
   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 attempt to attach an auto-named database for   
   file G:\ASP Module 3\CarsDB.mdf failed. A database with the same name   
   exists, or specified file cannot be opened, or it is located on UNC share.]   
      System.Data.SqlClient.SqlInternalConnection.OnError(SqlException   
   exception, Boolean breakConnection) +5064458   
      System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning() +234   
      System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand   
   cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet   
   bulkCopyHandler, TdsParserStateObject stateObj) +2275   
      System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean   
   enlistOK) +35   
      System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo   
   serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, TimeoutTimer   
   timeout, SqlConnection owningObject) +183   
      System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo   
   serverInfo, String newPassword, Boolean redirectedUserInstance,   
   SqlConnection owningObject, SqlConnectionString connectionOptions,   
   TimeoutTimer timeout) +239   
      System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection   
   owningObject, TimeoutTimer timeout, SqlConnectionString connectionOptions,   
   String newPassword, Boolean redirectedUserInstance) +195   
      System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnec   
   ionPoolIdentity   
   identity, SqlConnectionString connectionOptions, Object providerInfo, String   
   newPassword, SqlConnection owningObject, Boolean redirectedUserInstance)   
   +232   
      System.Data.SqlClient.SqlConnectionFactory.CreateConnection(D   
   ConnectionOptions   
   options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection   
   owningConnection) +185   
      System.Data.ProviderBase.DbConnectionFactory.CreatePooledConn   
   ction(DbConnection   
   owningConnection, DbConnectionPool pool, DbConnectionOptions options) +33   
      System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection   
   owningObject) +524   
      System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection   
   owningObject) +66   
      System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection   
   owningObject) +479   
      System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection   
   owningConnection) +108   
      System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection   
   outerConnection, DbConnectionFactory connectionFactory) +126   
      System.Data.SqlClient.SqlConnection.Open() +125   
      System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset,   
   DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String   
   srcTable, IDbCommand command, CommandBehavior behavior) +123   
      System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord,   
   Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior   
   behavior) +319   
      System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable)   
   +92   
      System.Web.UI.WebControls.SqlDataSourceView.ExecuteSelect(Dat   
   SourceSelectArguments   
   arguments) +3409   
      System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments,   
   DataSourceViewSelectCallback callback) +96   
      System.Web.UI.WebControls.DataBoundControl.PerformSelect() +225   
      System.Web.UI.WebControls.BaseDataBoundControl.DataBind() +127   
      System.Web.UI.WebControls.GridView.DataBind() +29   
      System.Web.UI.WebControls.BaseDataBoundControl.EnsureDataBound() +107   
      System.Web.UI.WebControls.CompositeDataBoundControl.CreateChildControls()   
   +131   
      System.Web.UI.Control.EnsureChildControls() +162   
      System.Web.UI.Control.PreRenderRecursiveInternal() +120   
      System.Web.UI.Control.PreRenderRecursiveInternal() +307   
      System.Web.UI.Control.PreRenderRecursiveInternal() +307   
      System.Web.UI.Page.ProcessRequestMain(Boolean   
   includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4834   
      
    //Tony   
      
      
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   ---------------   
   Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET   
   Version:4.0.30319.272   
      
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