Hi all,
I've been using Firebird with Delphi for many years, wrote a few .NET
applications and have experience in web development.
However: I never did web development with .NET and my only experience
with the Firebird .NET provider was a hello world program in Mono on
Debian a few years ago.
My task is to write a simple web application using ASP.NET which
connects to an existing Firebird database. User authentication has to
use data in an existing table and I need to display data returned from
a stored procedure. Updating data should call another stored
procedure.
I did some research and read quite a few articles about ASP.NET which
led me to trying out MVC4, also the SimpleMembershipProvider sounded
like what I need (I'm open for suggestions here).
I have installed NETProvider-3.0.2.0 and DDEXProvider-3.0.0.0, created
a new MVC4 Internet application, and in web.config adjusted/added the
following:
<connectionStrings> <add name="DefaultConnection" connectionString ....
<DbProviderFactories><remove
invariant="FirebirdSql.Data.FirebirdClient"/> <add name="Firebird Data
Provider"......
When I run the application and click on the "Register" link I get the
following exception:
{"The ASP.NET Simple Membership database could not be initialized. ..."}
inner exception: {"Dynamic SQL Error\r\nSQL error code =
-104\r\nToken unknown - line 1, column 33\r\n."}
with stack trace:
at FirebirdSql.Data.FirebirdClient.FbCommand.ExecuteReader(CommandBehavior
behavior)
at
FirebirdSql.Data.FirebirdClient.FbCommand.ExecuteDbDataReader(CommandBehavior
behavior)
at System.Data.Common.DbCommand.ExecuteReader()
at WebMatrix.Data.Database.<QueryInternal>d__0.MoveNext()
at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source)
at WebMatrix.Data.Database.QuerySingle(String commandText, Object[] args)
at WebMatrix.WebData.DatabaseWrapper.QuerySingle(String
commandText, Object[] parameters)
at WebMatrix.WebData.SimpleMembershipProvider.CheckTableExists(IDatabase
db, String tableName)
at WebMatrix.WebData.SimpleMembershipProvider.CreateTablesIfNeeded()
at
WebMatrix.WebData.WebSecurity.InitializeMembershipProvider(SimpleMembershipProvider
simpleMembership, DatabaseConnectionInfo connect, String
userTableName, String userIdColumn, String userNameColumn, Boolean
createTables)
at WebMatrix.WebData.WebSecurity.InitializeProviders(DatabaseConnectionInfo
connect, String userTableName, String userIdColumn, String
userNameColumn, Boolean autoCreateTables)
at WebMatrix.WebData.WebSecurity.InitializeDatabaseConnection(String
connectionStringName, String userTableName, String userIdColumn,
String userNameColumn, Boolean autoCreateTables)
at
MvcApplication1.Filters.InitializeSimpleMembershipAttribute.SimpleMembershipInitializer..ctor()
in d:\Dinge\Documents\Visual Studio
2012\Projects\MvcApplication1\MvcApplication1\Filters\InitializeSimpleMembershipAttribute.cs:line
41
InitializeSimpleMembershipAttribute.cs:line 41 looks like this:
WebSecurity.InitializeDatabaseConnection("DefaultConnection",
"UserProfile", "UserId", "UserName", autoCreateTables: true);
which is called by:
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
// Ensure ASP.NET Simple Membership is initialized only once per app start
LazyInitializer.EnsureInitialized(ref _initializer, ref
_isInitialized, ref _initializerLock);
}
Can you tell me what went wrong here?
Also, in general, how would I debug an error like this? I'd like to
know what SQL statement was being executed but I couldn't find it in
the exception dialog. Are there any log files? How can I step into the
provider code?
I'd be thankful for any hints on how to implement my application.
Maybe I need to start from a different application template or use a
different membership provider?
TIA,
Markus
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