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Internal .net Framework Data Provider Error

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Internal .net Framework Data Provider Error 1. Close Connection

1 second. Ask a question Quick access Forums home Browse forums users FAQ Search related threads Remove From My Forums Answered internal .net framework data provider error 6 azure by: Internal .Net Framework Data Provider error 1 Data Platform Development > ADO.NET Managed Providers Question 0 Sign in to vote I am getting "Internal .Net Framework Data Provider error 1" error while calling internal .net framework data provider error 12 execute reader. Any body has idea what is the cause and fix? Tuesday, June 13, 2006 7:48 PM Reply | Quote Answers 7 Sign in to vote Weird errors like this are often the result of multi-threading access to objects that are not threadsafe. Even if your code is not explicitly creating multiple threads, you have to be careful of situations where multiple threads may be used internally.

Internal .net Framework Data Provider Error 1025

I noticed that your call stack shows that the SqlDataReader.Close call is coming from your Finalize method (it's directly coming from Dispose, but Dispose is being called by Finalize). It is not safe to call any managed objects in Finalize, because it is called non-deterministically by the garbage collector on a separate thread. The SqlDataReader.Close documentation explicitly calls this out: SqlDataReader.Close Method http://msdn2.microsoft.com/en-us/library/system.data.sqlclient.sqldatareader.close.aspx Caution  Do not call Close or Dispose on a Connection, a DataReader, or any other managed object in the Finalize method of your class. In a finalizer, you should only release unmanaged resources that your class owns directly. If your class does not own any unmanaged resources, do not include a Finalize method in your class definition. For more information, see Garbage Collection. You should explicitly close the SqlDataReader when you are done using it, before finalization. If you do that and are still running into problems, post back again with a new error message and call stack (if they have changed).Thanks,Sarah   Thursday, June 15, 2006 12:12 AM Reply | Quote All replies 0 Sign in to vote Could you please give a complete call stack of the exceeption? Is the connection still open when you call execute reader? Tuesday, June 13, 2006 10:

here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. https://social.msdn.microsoft.com/Forums/en-US/b23d8492-1696-4ccb-b4d9-3e7fbacab846/internal-net-framework-data-provider-error-1?forum=adodotnetdataproviders Join them; it only takes a minute: Sign up Internal .Net Framework Data Provider error 1 up vote 4 down vote favorite I'm developing a WinForm app with Visual Studio 2012 Ultimate edition with all service pack, C# and .NET Framework 4.5. I get this exception: Internal .Net Framework Data Provider error 1 With this stack: en System.Data.ProviderBase.DbConnectionInternal.PrePush(Object http://stackoverflow.com/questions/22962742/internal-net-framework-data-provider-error-1 expectedOwner) en System.Data.ProviderBase.DbConnectionPool.PutObject(DbConnectionInternal obj, Object owningObject) en System.Data.ProviderBase.DbConnectionInternal.CloseConnection(DbConnection owningObject, DbConnectionFactory connectionFactory) en System.Data.SqlClient.SqlConnection.CloseInnerConnection() en System.Data.SqlClient.SqlConnection.Close() en AdoData.TRZIC.DisposeCurrentConnection() en AdoData.TRZIC.Finalize() In the destructor: ~TRZIC() { DisposeCurrentConnection(); if (this.getCodeCmd != null) this.getCodeCmd.Dispose(); } private void DisposeCurrentConnection() { if (this.conn != null) { if (this.conn.State == ConnectionState.Open) this.conn.Close(); this.conn.Dispose(); this.conn = null; } } I get the exception in line this.conn.Close();. And conn is private SqlConnection conn = null; Do you know why? c# .net winforms ado.net share|improve this question edited Apr 9 '14 at 12:42 asked Apr 9 '14 at 12:36 VansFannel 14.1k57230409 There are some mistakes, you doesn't need to this.conn=null; after disposing it, and also I suggest to dispose your command before calling DisposeCurrentConnection() –RezaRahmati Apr 9 '14 at 12:48 add a comment| 2 Answers 2 active oldest votes up vote 6 down vote accepted I have found the solution here: http://social.msdn.microsoft.com/Forums/en-US/adodotnetdataproviders/thread/b23d8492-1696-4ccb-b4d9-3e7fbacab846/. Basically is: Caution Do not call Close or Dispose on a Connection, a DataReader, or any other managed object in the Finalize method of your class. In a finalizer, y

here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us http://stackoverflow.com/questions/11990158/internal-net-framework-data-provider-error-1025 Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow http://vbcity.com/forums/t/129644.aspx Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Internal .NET Framework Data Provider error 1025 up internal .net vote 34 down vote favorite 4 IQueryable query = context.Organizations; Func predicate = r => !r.IsDeleted; query.Select(o => new { Reservations = o.Reservations.Where(predicate) }).ToList(); this query throws Internal ".NET Framework Data Provider error 1025" exception but below query does not. query.Select(o => new { Reservations = o.Reservations.Where( r => !r.IsDeleted) }).ToList(); I need to use first one because i need to check few if statement for construct internal .net framework right predicate. I know that i can not use if statements in this circumtence that is why i pass delegate as parameter. How can i make it work first query ? c# .net entity-framework entity-framework-4 expression-trees share|improve this question edited Aug 21 '12 at 11:12 asked Aug 16 '12 at 15:05 Freshblood 2,40433366 2 I'm not entirely sure if that's the reason (or even the right direction), but Linq2Objects operates on Expression Trees, which means you usually pass Expression> predicate and not the naked Func predicate. You can always try that. :) –Patryk Ćwiek Aug 16 '12 at 15:28 1 It sounds like you may want a predicate builder. Take a look at this question. stackoverflow.com/questions/9184942/… –tsells Aug 16 '12 at 16:42 @Trustme-I'maDoctor: You're wrong - LINQ to Objects uses delegates. It's LINQ to SQL etc that use expression trees, as they need to translate the query into SQL. LINQ to Objects can just execute the predicates, projects etc directly. –Jon Skeet Aug 21 '12 at 6:02 @JonSkeet Absolutely, but good distinction. I sometimes forget that not all collections that you use LINQ on are somehow database-backed :) On a completely un

Framework Data Provider error 1... rated by 0 users This post has 6 Replies | 1 Follower denpsia Phillipines Since 5/6/2005 Posts 653 Reputation 7,224 Reply Dennis Sia (denpsia) Posted: 9/6/2006 7:27 PM rated by 0 users Hi everybody,Is there anybody can tell me what this error meant? Where is source of error? There is a class library DLL created by another person. I used C# (VS 2005 Professional Edition) and SQL Server 2005 Express Edition and also used Visual SourceSafe 6.0.In this class,There is a constructor and destructor in the destructor it calls the CloseConnection() method where the error occurs.Code:private void CloseConnection() {if (m_Connection != null) {try {// Check if connection is already closed, if not, then close itif (m_Connection.State != ConnectionState.Closed)m_Connection.Close(); <<---Error Occurs here// Dispose the connection object and set it to null to release resources used by the objectm_Connection.Dispose();m_Connection = null;}catch {throw;}}}***RESOLVED*** I created new class to do same function without using destructor to close connection. I am puzzled why this class works with version 1.1 and SQL 2000...Confuse?:confused:denpsia -----------------------------------------------------------------------------------------Please make sure if problem in your post is solved, add Resolved icon and/or add "[Resolved]" in your title on first post. Thanks. | Post Points: 65 travis_abrahamson California Since 3/30/2005 Posts 2,223 Reputation 20,464 Reply Travis Abrahamson (travis_abrahamson) replied on 9/6/2006 8:21 PM rated by 0 users I would check the Connection StateThis code only checks to see if the State is Not ClosedHowever, you still have Broken, Connecting, Executing, Fetching, and Open. I'm not 100% sure but I think there might be a problem with trying to close a connection that has a ConnectionStatus other then Open. Travis MCADGod created the world in fifth normal form, but had to de-normalize it for us to understandPosting Guidlines | Post Points: 5 sukiLau Malaysia Since 5/4/2005 Posts 415 Reputation 2,795 Reply mamakcafe (sukiLau) replied on 9/6/2006 8:38 PM rated by 0 users Try to refer this web site:http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=473449&SiteID=1 | Post Points: 5 Spebby Oklahoma Since 8/24/2004 Posts 4,653 Reputation 31,560 Reply Ben Spencer (Spebby) replied on 9/6/2006 8:40 PM rated by 0 users The CloseConnection should not be called in the destructor. A couple of quotes from MSDN:Quote:The programmer has no control over when the destructor is called because this is determine

 

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