OleDB Connection Class In Custom Task?

Jun 9, 2006

I have OLE DB Connections set up in my connection manager (Native OLE DBMicrosoft OLE DB Provider for SQL Server). I would like to reference and query these connections from a custom task, written in C#. I currently reference it as follows:

using System.Data.OleDb;

...................................

OleDbConnection connection = (OleDbConnection) connections["MyConnection"].AcquireConnection(null);

What may be obvious to some (though wasn't to me, as I am new at this), when I run the task, I get an error saying that I cannot make this cast. After perusing the boards, I understand that this is because I am not making a cast to the right connection type. Well, that is where I am lost. What connection type (and corresponding library) do I need to reference? I want to continue to use the "Native OLE DB..." connection.

Thanks!

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Custom Connection Manager; Returning Recognized OLEDB Source?

Jan 24, 2008

[One day I will come back here and answer questions, rather than only ask.]

I have a custom connection manager that returns an OleDbConnection. The only thing "custom" about the connection manager is how it determines its connection string. The object returned in AcquireConnection is an OleDbConnection.

Code:public override object AcquireConnection(object txn)
{
UpdateConnectionString();

OleDbConnection oleDbConnection = new OleDbConnection(this.connectionString);
oleDbConnection.Open();

return oleDbConnection;
}

Some of the objects within SSIS only work with an OleDbConnection, but mine is not recognized as such. Is there any way to have my connection recognized as a valid connection?

Thanks in advance.

-bms

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Using Oledb Connection From Connection Manager In Script Task

Aug 9, 2006

Is there anyone who tried to use a connection from connection manager to create a new connection in a script task? Including the password?

Now i passed the connection to the script task and called it in the vb script but then the password is not passed into the connect string.

Im searching for an example that works with passing the password in the connectstring?

Any help will be greatfull.

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Execute SQL Insert Statement From Script Task Using Package OLEDB Connection

Aug 1, 2007

Is there a way to directly do this in one step(Execute SQL Insert Statement from Script Task using package OLEDB Connection)?

Right now I'm using a script task to build a sql insert statement using package variables (to fill values) populated by certain logic in the package.

Then assigning this command string to a package variable.
Then using a sql execute task to execute this variable.

A link to an article or code would be greatly appreciated.

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Selecting Connection In Custom Task UI

Nov 2, 2005

Hi there,

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Custom Task + Connection Manager With Interaction To Visual Studio

Dec 18, 2007

Hi

I am running into issues with custom objects interaction with visual studio 2005.

1. Custom connection manager.
I am setting the name of the connection manager ( to standardize naming convention ) that user created, however when the CM is created, the name displayed in visual studio is still the default name even if the real name is the one i set. I have to do things like, edit it or save package - close - reopen, create another connection, ... etc in order to get it refreshed.

2. Custom Task
I am managing some variables in this custom task so that I will be adding and deleting variables in the package.
The challenge i am running into is, when I added 2 variables for example, even though the variables are successfully added to package, the Variable Window in visual studio designer will not reflect the new variables. I have to save package, close, and re-open in order for the variables to show up.

So this brings to my question - is there any way to tell Visual Studio programmatically to refresh the contents of these 2 sections, 1 is the Variable Window and the other is the panel containing the list of connection managers.

I have been searching around and found some clue about visual studio SDK but I still cannot find an exact way of doing it. Visual Studio SDK example tells you how you can access the Variable window as

framesList = new List<IVsWindowFrame>();

toolWindowNames = new List<string>();

// Get the UI Shell service

IVsUIShell uiShell = (IVsUIShell)Microsoft.VisualStudio.Shell.Package.GetGlobalService(typeof(SVsUIShell));

// Get the tool windows enumerator

IEnumWindowFrames windowEnumerator;

ErrorHandler.ThrowOnFailure(uiShell.GetToolWindowEnum(out windowEnumerator));

IVsWindowFrame[] frame = new IVsWindowFrame[1];

uint fetched = 0;

int hr = VsConstants.S_OK;

// Note that we get S_FALSE when there is no more item, so only loop while we are getting S_OK

while (hr == VsConstants.S_OK)

{

// For each tool window, add it to the list

hr = windowEnumerator.Next(1, frame, out fetched);

ErrorHandler.ThrowOnFailure(hr);

if (fetched == 1)

{

// We successfully retrieved a window frame, update our lists

string caption = (string)GetProperty(frame[0], (int)__VSFPROPID.VSFPROPID_Caption);

toolWindowNames.Add(caption);

framesList.Add(frame[0]);

}

}

But i looked up the methods for IVsWindowFrame and it does not have anything to refresh the contents of the frame.

I thought about firing events but cannot find which one to fire.

Any help on this will be greatly appreciated.

Terry

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SQL Server 2005 X64 SP2 Conflict With Teradata Oledb? (class Not Registered)

Jul 23, 2007

SP2 for SQL Server 2005 x64 has been less than happy for me.

The initial problem, mentioned in another thread, concerned SSIS client which stopped liking Data Flow components. It was solved by a removal and reinstallation of the client tools.

However, there now seems to be a problem with making use of the Teradata oledb provider within SSIS. Prior to the installation of SP2 there was no problem.

I create a new SSIS package
Add a Data Flow component
Within the data flow add an oledb source
Create a new connection - using the Teradata oledb provider
Test the connection (it works!)
Use SQL something like "select * from some_teradata_table_on_the_TD_server"
Click on columns, wait a second, a list of columns is returned
Add a SQL Server destination (with a new SQL Server connection)
Connect the two components
Save the package

Click go
The TD oledb source component turns bright red and the error is "class not registered"

I have uninstalled the TD oledb provider (and underlying TD components) and re-installed (32-bit and 64-bit) - no change

Any ideas?

- KjM

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Mar 16, 2007

I have several fuctions that I would like to share between my different script tasks in my SSIS package. I assume I do this by creating a custom class, but I cant quite figure it out. Can someone please point me in the right direction?

Thank You!!

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Writing A Custom Class

Nov 27, 2006

Hello everybody,

I am new to .NET programming and the C# language. I'm coming from a ColdFusion/Java background, but am trying to learn .NET to further my abilities as a programmer, and take advantage of the CLR functionality in SQL Server.

What I am wondering is: is it possible to write an assembly which has stored procedures and functions that each utilize a custom class written within that assembly?

I am having some trouble with this concept. I am writing a UDF that will compile various data together and build a string from it. To help simplify the code, I want to build a custom class which will represent the primary object I am running the compilations against.

I would like to have the class be able to load its data directly from the database using a load() method. However, I am getting the following error when trying to run the UDF:

Msg 6522, Level 16, State 2, Line 1
A .NET Framework error occurred during execution of user defined routine or aggregate 'CompileList':
System.Security.SecurityException: Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
System.Security.SecurityException:
at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet)
at System.Security.PermissionSet.Demand()
at System.Data.Common.DbConnectionOptions.DemandPermission()
at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
at System.Data.SqlClient.SqlConnection.Open()
at vtrenz_listmanager_package.lib.iMAList.load()
at UserDefinedFunctions.CompileList(Int32 ownerid, Int32 userid, Int32 listid)

Any help and/or insight would be greatly appreciated.

Thanks,
JD

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Jan 19, 2006

I have a custom assembly that i'm trying to get tied into my report. the problem is when i try to call it i get the error that the class is not defined

I have the class in the references tab and the class name and instance name both have a name.

here's the error I'm getting

Error 1 [rsCompilerErrorInClassInstanceDeclaration] Error in class instance declaration for class Assembly_1: [BC30002] Type '[ClassName]' is not defined. [Project folder][reportname].rdl 0 0

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Aug 15, 2006

Good Morning..

We're having a heck of a good time trying to implement our first CDE project in SSRS 2005.

In our SDE class library we have included an App.Config file where we want to store configuration settings..

Trouble is that when we view the configuration settings or connection string settings in debug mode, they're not being read for some reason..

Here's our app.config file:
-------------------------------------------------------------
<?xml version="1.0" encoding="utf-8" ?>

<configuration>

<configSections>

</configSections>

<appSettings>

<add key="eventLogName" value="FocusDPEEventLog" />

</appSettings>

<connectionStrings>

<add name="PassConnString" connectionString="Data Source=SOMEDATASOURSE;Persist Security Info=True;User ID=SOMEUSERNAME;Password=SOMEPASSWORD;Unicode=True"

providerName="System.Data.OracleClient" />

</connectionStrings>

</configuration>

-------------------------------------------------------------
Here's what our Immediate window Debugger is tellin' us about our configuration settings:

-------------------------------------------------------------

ConfigurationManager.AppSettings

{System.Configuration.KeyValueInternalCollection}

[System.Configuration.KeyValueInternalCollection]: {System.Configuration.KeyValueInternalCollection}

base {System.Collections.Specialized.NameObjectCollectionBase}: {System.Configuration.KeyValueInternalCollection}

AllKeys: {Dimensions:[0]}<----incorrect should be 1

ConfigurationManager.ConnectionStrings

Count = 1 <----ok, is one, but the wrong 1, see 3 lines down...

base {System.Configuration.ConfigurationElementCollection}: Count = 1

ConfigurationManager.ConnectionStrings[0]

{data source=.SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|aspnetdb.mdf;User Instance=true}<--Should be PassConnString

base {System.Configuration.ConfigurationElement}: {data source=.SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|aspnetdb.mdf;User Instance=true}

ConnectionString: "data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|aspnetdb.mdf;User Instance=true"

Name: "LocalSqlServer"

ProviderName: "System.Data.SqlClient"

Now notice the stuff in bold...I have NO IDEA where this gosh-danged thing is reading, but it doesn't seem like it's the app.config file in our class library...

thanks..

Doug

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Class And Sequence Diagrams Describing SSIS Framework (for Custom Components)?

Jun 30, 2006

Hi,

Can anyone tell me where I might find the Class and Sequence Diagrams for the SSIS framework (for Custom Components)?

I've just started trying to create some Custom Transform Components and
I'm really struggling to get my head around the component lifecycle
(i.e what methods are called when, with what arguments, and why) with
just the BOL documentation to guide me.

Thanks in advance,

Lawrie

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Jun 11, 2015

I have a requirement in which i have to create a custom .net class library for Ex:-I retrieve password(s) from a thrid party component. Below is what i am doing.

(1) Created a custom class library which reads a custom .xml file from a drive Ex:- "D:MyAppMYAppCofig.xml" and sets to my properties of my custom class library and inside it i created an instance of third party component's class and passed these values. Since i need to use this .net custom class library both in web and ssis/database side i am using this custom .xml file.

(2) After validating passed data (properties set in custom .net class library) the thrid party component instance object created in my custom .net class libraty returs a password to me own custom .net class libray.

(3) This password I use in my web app for connecting to database. This code is working fine.

(4) My question is how to execute a custom .net class library code through ssis and to use the my same custom .net class library and pass the password to my SSIS component / taks so that that code block also uses the returned password to connect and do any needed tasks? In other words how to use custom .net class library from SSIS.

My Environment is as follows:-
SQL Server is : 2008 R2
VS.NET 2013

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Dec 1, 2006

I have a SqlDataSource that has a parameter that I am trying
to set.

The item is stored in a session field called “GameObject�?

Game Object is a simple class that has a several variables.

I am trying to access the .name data member of the class.

<asp:SessionParameter Name="GameCode" SessionField="((GamingSystem)Session[‘GameObject’]).Name" />

This does not work. Is there a way to declarative bind to
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Aug 16, 2006

I am writing a custom task that has some custom properties. I would like to parameterize these properties i.e. read from a varaible, so I can change these variables from a config file during runtime.

I read the documentation and it says if we set the ExpressionType to CPET_NOTIFY, it should work, but it does not seem to work. Not sure if I am missing anything. Can someone please help me?

This is what I did in the custom task

customProperty.ExpressionType = DTSCustomPropertyExpressionType.CPET_NOTIFY;

In the Editor of my custom task, under custom properties section, I expected a button with 3 dots, to click & pop-up so we can specify the expression or at least so it evaluates the variables if we give @[User::VaraibleName]

Any help on this will be very much appreciated.

Thanks

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Feb 6, 2008

I have a package that uses a for loop to iterate through an unknown amount of excel files and pull their data into a table. However, there will be cases when the file is corrupted or has some sort of problem so that either the transformation will fail or the excel data source will fail with an oledb connection error.
Could anyone suggest a clean way to trap these errors? Specifically, the "Cannot Aquire Connection from Connection Manager", which is the excel connection.

Thanks,

John T

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Oct 4, 2006

How do I access the configurations collection of a package within a Script Task component? Is there any sample code anywhere?

Thanks!

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Jan 2, 2007

Hi,

for some reasons, I have to get access to the TaskHost during validation and execution. For example, I wanna know, if my task is within a container or not (parent is Sequence).

For the UI during design time, there is the TaskHost parameter. What about the execution time or during validation?

Any hints?

Thanks.

Thorsten

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Apr 17, 2008

HI,
I am going to make a big web application. so im going to use sql connection with class for example i have 100 web pages and i will make a slq connection in class.vb
Class1.vb(see the below code)
Imports System.Data
Imports System.Data.SqlClient
Imports Microsoft.VisualBasicPublic Class Class1
Private conn As New SqlConnection("Data Source=DANISHSQLEXPRESS;Initial Catalog=ARBASHHR.MDF;Integrated Security=True")Private cmd As New SqlCommand()
Private da As New SqlDataAdapter(cmd)
End Class
default.aspx(here is asp.net page i want to use the sql connection from that class.)
but this below page saying that Name "cmd" is not declared and connection
Try
cmd.Connection = conn
conn.Open()Dim ds As New DataSet
cmd.CommandText = "SELECT * FROM Users where (UserName = N'" & TextBox1.Text & "')" 'And (Password = N '" & TextBox2.Text & "')"da.Fill(ds, "data")
conn.Close()
For Each dt As DataTable In ds.Tables
For Each dr As DataRow In dt.RowsTextBox3.Text = dr.Item("Password")
Next drNext dt
If TextBox2.Text = TextBox3.Text ThenResponse.Redirect("Welcome.aspx")
Else
Label3.Text = "Invalid Username/password"
End IfCatch ex As Exception
' MsgBox(ex.Message) '("Error Loading Information From Database..", MsgBoxStyle.Critical, "Error")
End Try
End Sub
please let me know where im doing mistake.....
Thank in Advance

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Aug 23, 2006

I added a connection (ADO.NET) object by name testCon in the connection manager - I wanted to programmatically supply the connection string. So I used the "Expressions" property of the connection object and set the connectionstring to one DTS variable. The idea is to supply the connection string value to the variable - so that the connection object uses my connection string.

Then I added a "Backup Database Task" to my package with the name BkpTask. Now whenever I try to set the connection property of BkpTask to the testCon connection object, by typing testCon, it automatically gets cleared. I am not able to set the connection value.

Then after spending several hours I found that this is because I have customized the connection string in testCon. If I don't customize the connection string, I am able to enter the "testCon" value in the connection property of the BkpTask.

Is this an intrinsic issue?

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Aug 22, 2007

Hi enquiring whether is it more efficient to use OLEDB destination to update and extract all records from table A to tabl e B or use script task? And whether OleDB destination perform row by row update? Finally will data integrity be affected if i run delete, update and insert operations in the same data flow but extracting different sets of data each time from the 2 tables?

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Oct 5, 2007

Hi,

I have a strange problem, which I never encountered earlier, I have a data flow which has one source and multiple destinations, I am also using multicast and derived column transformations too, however when I run the package (either from cmd line or designer) the data flow task hangs when it comes to inserting data into the target tables. and it keeps waiting forever. Initialy I thought it was my data set , however if with very few records the problem persists. I have also tried removing the table lock from the destination , increasing the rows per batch to 10000 and commit size to 10000 but to no change. I am using the fast load option within my destination. When I run sp_who2 on my Management Studio I see that the status of all the processes is sleeping and the command is "awaiting command" , any help appreciated.

Thanks

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SqlDatareader Belongs To Which Class Is It Sealed Or Static Class?

Feb 21, 2008

Hai Guys,
       I have a doubt Regarding SqlDataReader
     i can able to create object to Sqlconnection,Sqlcomand etc...
     but i am unable to create object for SqlDataReader ?
     Logically i understand that SqldataReader a way of reading a forward-only stream of rows from a SQL Server database. This class cannot be inherited.
   sqlDatareader belongs to which class is it sealed or static class?
can we create own class like SqldataReader .......
Reply Me ...... if any one know the answer..............

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Apr 24, 2008

Hi All,

In one of my interfaces,i am trying to Stage data in a ##table from a Flat file,so that i can iterate through the data in for each loop afterwards.

I have written a stored Proc to do this.But what i am observing is in the ##Table only the last Row will be persisted.

The SP looks like this

Code Snippet
CREATE PROCEDURE USP_SVInsS093Data_V001
@DetailRECTYPE nvarchar(5),
@StoreNumber int,
@Product nvarchar(20),
@Planogramref nvarchar(20),
@DisplayGroup nvarchar(5),
@ModSequence int,
@Shelfnumber int,
@Productposition int,
@StartModnumber nvarchar(20)

AS

SET NOCOUNT ON
BEGIN
if object_id('tempdb..##S093_TempTable') is not null
drop table ##S093_TempTable

CREATE TABLE ##S093_TempTable(
[DetailRECTYPE] [nvarchar](5) NULL,
[StoreNumber] [int] NULL,
[Product] [nvarchar](20) NULL,
[Planogramref] [nvarchar](20) NULL,
[DisplayGroup] [nvarchar](5) NULL,
[ModSequence] [int] NULL,
[Shelfnumber] [int] NULL,
[Productposition] [int] NULL,
[StartModnumber] [nvarchar](20) NULL
)

INSERT INTO ##S093_TempTable
([DetailRECTYPE]
,[StoreNumber]
,[Product]
,[Planogramref]
,[DisplayGroup]
,[ModSequence]
,[Shelfnumber]
,[Productposition]
,[StartModnumber])
VALUES
( @DetailRECTYPE ,
@StoreNumber ,
@Product ,
@Planogramref ,
@DisplayGroup ,
@ModSequence,
@Shelfnumber ,
@Productposition ,
@StartModnumber
)

If i have a select query after the Data Flow task only the last row is returned.

Now how to make the ##Table keep all the rows.

Any help will appreciated.

Thanks in Advance...

Cheers

Srikanth Katte

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Nov 9, 2006

Hi

Inside a data flow task, i have a oledb source and destination. In my situation, I need to pull data from a table in the source, but also hard code some columns myself, which means my source is a blend of data from table, hard coded data, which will then have to be mapped to columns in oledb destination. Does anyone which option to choose in the oledb source dropdown for the data access mode. Keep in mind, i do need to run a a select query, as well as get data from a table. Is it possible to use multiple oledb sources and connect to one destination, because that is really what intend to do here. I am not sure how it will work, or even if its possible. Basically my source access mode needs to be a blend of sql command and table columns, how would that be implemented? Any help or advice is appreciated.

MA

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Nov 20, 2007

Hi, I'd like to know which is the best choice to execute a store procedure that execute transformations from table to files using bcp command, 2 millions rows everyday (i'ts a Data Warehouse database). So in the sql task in connectionType I had choiced ADO.NET is the best option?
Thanks

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Dec 6, 2007

I am having a problem on updating data in DB2 target table.

I followed BJ Custard's (http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=1058272&SiteID=1&mode=1)(thanks amillion!) post and configured OLEDB destination to insert data. But I have to also update or delete data from the target table based on flag from source.

I tried using OLEDB command which uses the OLEDB connection created by following the steps posted in above link.

Trail 1real requirement):
When I used the SQL query:

delete from table where Col1=? and Col2=?

I am unable to map to the parameters. When I click refresh button after writing the query, I get "There is a data source column with no name. Each data source column must have a name." message. Added to before message, there are no parameters to map to.

Trail 2:
When I hard code the parameters :

delete from table1 where Col1='abc' and Col2='xyz'

no parameters will come up, so no mapping. So when I execute the mapping I get the following error:

Error: 0xC0202009 at Load .....................................................: SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80040E00.
Lookup on above error codes show those are related more to target Db2 database.

I am sure some one might have used the OLEDB command task, not only just insert task.

Any help is really appreciated.

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Aug 9, 2007

My package needs to be a High Performance (target: 150,000 rows in 30 minutes) ETL solution. We are using all MS technologies - SSIS, SQL 2005, BIDS, etc. I need to loop the recordset executed by a Stored Proc in a Execute SQL Task in a Source Script Component.

If I use an ADO.NET Connection Manager, here is the code in the Source Script Component Public Overrides Sub CreateNewOutputRows()

Code 1

Dim sqlAdapter As New SqlDataAdapter

Dim dataRow As Data.DataRow

Dim ds As DataSet = CType(Me.Variables.rsSomeResultset, DataSet)

sqlAdapter.Fill(ds)

Iget: Error: System.InvalidCastException: Unable to cast object of type 'System.Object' to type 'System.Data.DataSet'.

Code 2

Dim oledbAdapter As New OleDb.OleDbDataAdapter
Dim dataTable As DataTable

oledbAdapter.Fill(dataTable, Me.Variables.rsSomeResultset)

Error: System.ArgumentException: Object is not an ADODB.RecordSet or an ADODB.Record. Parameter name: adodb

It works all right when I use an OLEDB Connection Manager with the second code sample.

Question: In order to extract the maximum performance, wouldn't it be preferred to use ADO.NET with SqlClient Provider in an all SQL Server 2005 environment? Or will an OLEDB Connection provide comparable or equal performance?

If so, what code can I use? Since the recordset returned by the Stored Proc (in the Execute SQL Task) can only be captured in a System.Object variable and you can only use the overload of the Fill() method of the OleDbDataAdapter to accept an ADO Recordset or Record object.

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Oct 16, 2006

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Thanks, Tom

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Jan 5, 2008

I have tried to connect ce database by using c++ and oledb, and failed in every turn, i dont know what i did wrong...

I created a new database by using create a new database sample in ssce bol, but i couldnt connect that database, it says invalid class string or authentication failed...

here is a simple example...

HRESULT hr;
CDataSource db;
hr = db.Open( "Provider=Microsoft.SQLSERVER.CE.OLEDB.3.5;Data Source=Newdatabase.sdf;Password='db_pwd'" );
if (FAILED(hr))
{
return;
}

and also, afx oledb headers causing lots of redefinition warnings, if i include both ssce headers and afxole headers...

and also oledb example in ssce bol download is missing, there is no such like example...

can you provide me simple example to connect any ce database?

Installed programs
visual c++ 9.0
sql server ce books online
sql server ce 3.5 runtime
sql server ce 3.5 server tools
windows xp sp2

thanks in advance

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Jan 7, 2008

Hi there,

I know this has been a topic of discussion before and I have read and tried the suggestions to no avail. I have a few .dbf files to import into my sql database and I know that one needs to make a oledb connection to these files.

I am using the Jet provider and have tried setting the extended properties to all of the DBASE versions and still cannot get it to connect. These files' names are shorter than 8 chars so that issue is no problem in this case.
I can actually get these files to show in a Microsoft Access 2008 database when I import it from there so I know that I must be missing something in my SSIS project.

After doing some reading on this topic, it would seem that this shouldn't be such a schlepp but, here I am

Maybe I need to install some driver or somethin?

Regards
Mike

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Jul 5, 2002

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Jul 23, 2005

I need to conect my software from a remote client to a server, mystandard connection:Provider=SQLOLEDB.1;Persist Security Info=False;UserID=sa;Password=;Initial Catalog=MyDb;DataSource=192.168.0.100;Network=DBMSSOCN;andProvider=SQLOLEDB.1;Persist Security Info=False;UserID=sa;Password=;Initial Catalog=MyDb;DataSource=192.168.0.100;Network=DBNMPNTW;make a error connection,i have tryed with ODBC connection and its OK only in Named Piped.Can any one help me write the right connection string?thanksrm

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