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POProblems with SQL Server Express user instancing and ASP.net Web Application Projects(dotnet nuke)
 

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  1. POProblems with SQL Server Express user instancing and ASP.net Web Application Projects(dotnet nuke)
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    <p>I am trying to connect to SQL Express 2005 through DotnetNuke. My OS is windows 7(IIS 7) and when i tried to connect i got the following error:</p> <blockquote> <p>An attempt to attach an auto-named database for file (file location).../Database.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share.</p> </blockquote> <p>I've tried the solution i found in the following link, but still i get the same error.</p> <p><a href="http://support.microsoft.com/kb/2002980" rel="nofollow noreferrer">http://support.microsoft.com/kb/2002980</a></p> <p>Then I tried to change my SQL Server name from <code>SYSTEMNAME\SQLEXPRESS</code> to <code>SystemIP\SQLEXPRESS</code> I get a DotNetNuke error as follows:</p> <p>DotNetNuke Error</p> <blockquote> <p>System.ArgumentException: Invalid value for key 'attachdbfilename'. at System.Data.SqlClient.SqlConnectionString.VerifyLocalHostAndFixup(String&amp; host, Boolean enforceLocalHost, Boolean fixup) at System.Data.SqlClient.SqlConnectionString..ctor(String connectionString) at System.Data.SqlClient.SqlConnectionFactory.CreateConnectionOptions(String connectionString, DbConnectionOptions previous) at System.Data.ProviderBase.DbConnectionFactory.GetConnectionPoolGroup(String connectionString, DbConnectionPoolGroupOptions poolOptions, DbConnectionOptions&amp; userConnectionOptions) at System.Data.SqlClient.SqlConnection.ConnectionString_Set(String value) at System.Data.SqlClient.SqlConnection.set_ConnectionString(String value) at System.Data.SqlClient.SqlConnection..ctor(String connectionString) at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteReader(String connectionString, CommandType commandType, String commandText, SqlParameter[] commandParameters) at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteReader(String connectionString, CommandType commandType, String commandText) at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteReader(String connectionString, String spName, Object[] parameterValues) at DotNetNuke.Data.SqlDataProvider.TestDatabaseConnection(DbConnectionStringBuilder builder, String Owner, String Qualifier) at DotNetNuke.Services.Install.InstallWizard.TestDatabaseConnection() at DotNetNuke.Services.Install.InstallWizard.wizInstall_NextButtonClick(Object sender, WizardNavigationEventArgs e) at System.Web.UI.WebControls.Wizard.OnNextButtonClick(WizardNavigationEventArgs e) at System.Web.UI.WebControls.Wizard.OnBubbleEvent(Object source, EventArgs e) at System.Web.UI.WebControls.Wizard.WizardChildTable.OnBubbleEvent(Object source, EventArgs args) at System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) at System.Web.UI.WebControls.LinkButton.OnCommand(CommandEventArgs e) at System.Web.UI.WebControls.LinkButton.RaisePostBackEvent(String eventArgument) at System.Web.UI.WebControls.LinkButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) at System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) at System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)</p> </blockquote> <p>can any one help me to solve this problem?</p>
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    1. COCan you show us your connection string being used?? You are **150%** sure that SQL Server 2005 Express is indeed installed on that machine?
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