Understanding How To Use Script Task, Component
Feb 1, 2008
I've been using SSIS for a few months now, and am comfortable with most of the tools, except for the script task and script component. I don't remember any VB code from college - is that the best place to start in order to fully understand how to code the script task and component? I need to understand the situations where/when I would use scripting, why, etc. I've used a few examples on the internet to do some simple tasks, but need to understand the code I'm implementing. Any direction would be much appreciated.
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Apr 25, 2008
I just learned some basic FTP commands for the first time and was able to transfer over some files from one machine to another. Now I'm trying to to this using the FTP Task.
First of all, I understand that the destination machine has to be set up with something called an FTP Site. And I noticed that when I do a "cd" command in my FTP session, I have visibility only to those directories that are set up as an FTP Site.
Ok, onto the FTP Task. First I created and test connected my FTP Connection Manager. Next, I went into the FTP Task Editor, and I'm in the File Transfer page. Looking at the properties, I guess, this is where I tell what file to move where.
So, in IsRemotePathVariable, I selected "False". When I did this, I was expecting to be able to navigate the various FTP Sites I have set up on my destination computer. However, when I click on RemotePath, I only see "/" (Root). Was I wrong to expect to see the FPT Sites here? What am I doing wrong?
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Mar 16, 2007
In a Data Flow, I have the necessity to use a SSIS variable of type €œObject€? inside Script Component and assign to it the content of 'n' variables of string type.
On exiting from the script the variable of type object should contain something like in the following lines:
AAAAAAAAAAAAAAAAAAAAAAAAAAAAA
BBBBBBBBBBBBBBBBBBBBBBBBBBBBB
CCCCCCCCCCCCCCCCCCCCCCCCCCCCC
DDDDDDDDDDDDDDDDDDDDDDDDDDDDD
€¦€¦€¦€¦€¦€¦€¦.
€¦€¦€¦€¦€¦€¦€¦.
On exiting from the data flow I will use the variable of type Object in a Script Task, by reading each element in a cyclic fashion.
Is there anyone who have experienced something like this? Could anyone provide any example of that?
Thanks in advance!
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Jun 15, 2006
How to debug a Script Component task?
For instance, I€™ve got a Input0_ProcessInputRow procedure and I€™d like to see what happen when compiler reach this line:
dFecha = Left(Row.Column19, 4) & "-" & Mid(Row.Column19, 5, 2) & "-" & Right(Row.Column19, 2)
I€™ve put a toogle breakpoint there and then saved but when I run the package to ignore at all.
This topic has been already discussed in these newsgrups but I still have doubts.
Thanks a lot for any advice or clarification
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May 23, 2006
Hi all of you,
How to debug a script component task made in .Net? I've got a Inmediate Window, Start Without Debugging, Toggle Breakpoint, etc but nothing works. When I press Start nothing happens. I suppose that anything very very of paramount importance I'm forgetting but I haven't any clue
TIA
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Oct 26, 2007
Hello,
I have a package that has a data lfow task. this task imports data from a db2 database (using the IBM Ole DB provider fro db2) and adds it to sql server database table. This package was created on the server. then though version control (using TFS source control) I check out the package on my local machine. and when I open the package I get the foll 3 errors.
Error 1 Validation error. Import Account Num from BMGP_BDR: DTS.Pipeline: The component metadata for "component "DataReader Source" (1113)" could not be upgraded to the newer version of the component. The PerformUpgrade method failed.
Error 2 Error loading BMAG Download Xref Tables - bmag.dtsx: Microsoft.SqlServer.Dts.Pipeline.ComponentVersionMismatchException: The version of component "DataReader Source" (1113) is not compatible with this version of the DataFlow. [[The version or pipeline version or both for the specified component is higher than the current version. This package was probably created on a new version of DTS or the component than is installed on the current PC.]] at Microsoft.SqlServer.Dts.Pipeline.ManagedComponentHost.HostCheckAndPerformUpgrade(IDTSManagedComponentWrapper90 wrapper, Int32 lPipelineVersion)
Error 3 Error loading BMAG Download Xref Tables - bmag.dtsx: The component metadata for "component "DataReader Source" (1113)" could not be upgraded to the newer version of the component. The PerformUpgrade method failed.
Please advice.
Thank you.
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Feb 14, 2007
How could I remark my script component, It is isolated, I just wanna check something without losing the long script written inside.
Thanks,
Fahad
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Feb 6, 2007
Dear Colleagues,
I'm trying to develop a custom Data Flow Transformization component in SSIS.
I compiled it without errors, installed it in the GAC and in the Pipeline Components-folder however I always get the following message when I'm trying to drag the component onto the designer surface:
The component could not be added to the Data Flow task.
Please verify that this component is properly installed.
------------------------------
ADDITIONAL INFORMATION:
The data flow object "RisikoKennzahlenKomponenten.MarktwertTransformation,
RisikoKennzahlenKomponenten, Version=1.0.0.0, Culture=neutral,
PublicKeyToken=cfa8722b8086ac2d" is not installed correctly on this computer.
(Microsoft.DataTransformationServices.Design)
Program Location:
at
Microsoft.DataTransformationServices.Design.DtsBasePackageDesigner.GetPipelineInfo(String creationName, IServiceProvider serviceProvider)
at
Microsoft.DataTransformationServices.Design.DesignUtils.GetNewPipelineComponentObjectName(IDTSComponentMetaDataCollection90
parentCollection, String clsid, IDTSComponentMetaData90 componentMetadata,
PipelineComponentInfo& pipelineComponentInfo)
at
Microsoft.DataTransformationServices.Design.PipelineTaskDesigner.AddNewComponent(String clsid, Boolean throwOnError)
This happens with EVERY custom component on my computer. The same components work fine on other machines.
Does anyone have an idea?
Regards
Arne Janning
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Jun 13, 2006
hi,
I was just trying to add COM reference but I don't see how.
Let me know any info about this.
TIA
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Feb 8, 2006
Hi,
Near the end of 2005 Microsoft made available some sample C# apps that implemented custom SSIS tasks and components. I think Doug Ladenshlager may have had a heavy hand in building them.
Does anyone know where they are? I can't darned well find them!
-Jamie
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Nov 13, 2007
I have a component who's OnPreExecute event handler contains a Script Task. I would like to use this Script Task to access the component's properties. Can anyone provide script examples for doing this if this is possible?
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Jan 23, 2007
Hi,
I have a package which reads an Access file from a folder. My connection manager to this file is .NET providers for OledbMicrosoft Jet 4.0 OLE DB Provider.
Package works from my computer. But when I execute it on the server as a SQL Agent job, I get
The component metadata for "component "DataReader Source" (1) could not be upgraded to the newer version of the component. The PerformUpgrade method failed.
I copied the mdb file to a folder on the server which my packages have no problem reading data from.
My packages run under the same domain account as defined in proxies.
Appreciate a help.
Gulden
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May 19, 2008
Exist any way to pass custom user and password info to the Send Mail task using the connection string property?
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Jun 15, 2006
how the hell you allocate a null value for a smalldatetime sql field?
Now, I'm putting a false date because of I'm stuck with this f.. and then I do an update:
.Parameters("@FecEnajenacion").Value = "1999-01-01"
error:
.Parameters("@FecEnajenacion").Value = vbNull
.Parameters("@FecEnajenacion").Value = Null
.Parameters("@FecEnajenacion").Value = SqlDbType.???????
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Apr 25, 2006
Hi all,
I have a class that utilizes the ThreadPool together with a ManualResetEvent to queue up work items (in this case, FTP downloads) and then waits until all work items have completed before proceeding.
I then use this class inside a Script Component. However, I am getting a "remote procedure call failed" every single time the FTP component starts a download. This same class works perfectly in a WinForm app that I created as a test harness. Also, the synchronized version of the FTP download component works perfectly well from the Script Task -- it's only when I "wrap" the synchronous version in a threaded version that it fails.
Also, when the "remote procedure call failed" exception occurs, sqldumper.exe runs for a split second and creates a minidump. I, unfortunately, cannot inspect the dump because VS2k5 throws a native error when I try to "debug" the dump.
Is it possible to utilize multithreaded code inside SSIS? I noticed that SQL Server prohibits the use of threading as part of its hosting requirements (http://msdn2.microsoft.com/en-us/library/ms172338.aspx) but I'm not sure how that would impact (if at all) the SSIS host.
Thanks,
Vitaly
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Jun 15, 2006
From a text file I'm importing date values by a variable.
dFecha = Left(Row.Column21, 4) & "/" & Mid(Row.Column21, 5, 2) & "/" & Right(Row.Column21, 2)
After that I've got values as "0000-00-00" and obviously sql (at target smalldatetime) doesn't support them. How do I for to solve?
If IsDate(dFecha) Then
.Parameters("@FecEnajenacion").Value = dFecha
Else
.Parameters("@FecEnajenacion").Value = vbNull
End If
TIA
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Feb 2, 2007
Dear all,
I am developing tools for automatic creation of data warehouse tables, cubes and SSIS packages. Generating the SSIS Data Flows works very well using the SSIS components for OLE DB Source, Derived Column, Lookup and OLE DB Destination.
However for some of the advanced functionality I need to use Script Component. I have managed to add it in the Data Flow with all inputs and outputs, but how do I populate it with my code? I've seen there is a component property called "SourceCode" and one called "BinaryCode". The "SourceCode" contains the code, but also some extra metadata.
Questions:
Do you know if there is any programmatic support to generate the Source Code property with the metadata necessary?
Do you know how to compile the Source Code and generate the property BinaryCode?
Example from my code below:
// Create script component
IDTSComponentMetaData90 script = dataFlowTask.ComponentMetaDataCollection.New();
script.ComponentClassID = app.PipelineComponentInfos["Script Component"].CreationName;
CManagedComponentWrapper scriptWrapper = script.Instantiate();
script.InputCollection.New();
script.OutputCollection.New();
scriptWrapper.ProvideComponentProperties();
script.Name = "Logics";
// Create path
IDTSPath90 scriptPath = dataFlowTask.PathCollection.New();
scriptPath.AttachPathAndPropagateNotifications(lastComponent.OutputCollection[0], script.InputCollection[0]);
// Populate input and output columns
IDTSInput90 scriptInput = script.InputCollection[0];
IDTSVirtualInput90 scriptVInput = scriptInput.GetVirtualInput();
foreach (IDTSOutputColumn90 col in oledbSrc.OutputCollection[0].OutputColumnCollection)
{
scriptWrapper.SetUsageType(scriptInput.ID, scriptVInput, col.LineageID, DTSUsageType.UT_READONLY);
IDTSOutputColumn90 tmp = script.OutputCollection[0].OutputColumnCollection.New();
tmp.Name = col.Name;
tmp.SetDataTypeProperties(col.DataType, col.Length, col.Precision, col.Scale, col.CodePage);
}
// Make script asynchronous
script.OutputCollection[0].SynchronousInputID = 0;
Thanks for any assistance and Best Regards,
Johan Åhlén,
Business Intelligence consultant at IFS
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Dec 18, 2007
I am trying to cleanly shutdown a dataflow task, which contains a script component, when RunningPackage.Stop() is called from the SSIS runtime.
I've been going in ever decreasing circles with no success - it looks like the cleanest way to find out whether RunningPackage.Stop() has been called is to call FireQueryCancel(). But I can't find any reference to anything useful in a dataflow task script component that gives me something that implements IDTSComponentEvents. The nearest thing seems to be Me.ComponentMetaData which gives a reference to IDTSComponentMetaData90, but this only has methods for calling FireError, FireInformation, FireProgress, FireWarning, and FireCustomEvent. But no FireQueryCancel.
Is there a way in a script component that I can find out the state of QueryCancel?
Any help would be apprecieated.
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Sep 7, 2006
I have a field called CustomerName Varchar 100 and I wish to write a function that can do the following in a script component task
create a function called CleanString (ByVal CustomerName as String) As String
CleanString Returns the last word of a Customer name if the CustomerName field contains more than one word or if the CustomerName field does not contain Corp or Ltd
ie parse 'Mr John Tools' and the function returns 'Tools'
ie parse 'TechnicalBooks' and the function returns 'TechnicalBooks'
ie parse 'Microsoft Corp' return 'Microsoft Corp'
ie parse 'Digidesign Ltd' return 'Digidesign Ltd'
Any idea of a regular expression or existing piece of existing code I can have
thanks in advance
dave
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Feb 19, 2008
Hello Helpers,
I need to know how to use my private function - created as a scalar-valued-function in SQL Server 2005 - in script component (here a transformation is used) in a data flow task to transform a two-digit-month into a tree-sign-month:
Example: '01' should be transformed into 'Jan'
Many thanks for alle your commitment and help!
Ulrike
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Jun 7, 2006
That affects only interface design... so that it doesn't exists at all in a SSIS.
What is it for??
Let me know your view on this or any clarification.
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Jan 22, 2008
Hello,
Kind of a .Net question, although specifically related to VSA.
We have a script task that references an external DLL. That DLL is a proxy for a web service and it takes its configuration info (e.g. location of the web service) from a configuration file.
We have created a quick-and dirty test harness exe to consume data using the proxy and it works fine. All you need to do is dump the proxy, the config file and the test harness exe into a folder.
This doesn't work so well when you substitute SSIS for the test harness. We are trying to use a script task which references the proxy DLL to get a response from the web service but when we execute we get:
"Cannot find default endpoint element that references contract 'blah blah blah' in the ServiceModel client configuration section. This might be because no configuration file was found for your application..."
[See a screenshot here: http://cid-550f681dad532637.skydrive.live.com/self.aspx/Public/Misc/ssis_script_task_config_error.JPG]
This makes sense of course, right? The DLL needs the config file. However, where do you put the config file so that the DLL (which, remember, is running inside SSIS) can find it? We've tried putting it in the same folder as the .dtsx file, in the same folder as dtexec.exe...nothing works.
To try and debug we put the following code into the script task:
Code Snippet
Dim rst_Path As String
rst_Path = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().GetName.CodeBase)
MsgBox(rst_Path)
and the resultant message box was contained "file:C:WINDOWSassemblyGAC_MSILMicrosoft_VsaVb8.0.0.0__<GUID>"
which makes complete sense of course.
So, my question is, how can we configure this whole kaboodle of "stuff" so that it works?
Thanks
Jamie
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Apr 30, 2015
I have VS 2013 installed in my machine with SQL server 2012 ,I have installed Microsoft data tools for VS 2013,In the integration service project  i used script component when i try to pen the script task its not opening VSTA projects ,its simple ideally without any action.I am facing this issue for past 2 months i tried fixing this problem but no use.
The script  task editor has "Access VSTA to write script using VS 2012".So i installed VSTA tools for 2012 and 2013 but no issue.
But the script component works for VS 2010.I have installed Microsoft Visual Studio tools for VS 2012,VS2012 AND VS 2013.
This issue is occurring for VS 2012 and VS 2013.
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May 11, 2007
How to give authentication for Send Mail Task component?
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Jul 28, 2006
This error occurs when the ActiveX task tries to execute:
[ActiveX Script Task] Error: Retrieving the file name for a component failed with error code 0x001B6438.
Anybody know how to troubleshoot these errors? I can't find anything on this error code. The same script works in DTS.
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May 25, 2006
I have just spent two hours banging my head off the wall to figure this one out... wondering if I had a problem with variable scope or something...
I had a Script Task which was taking a few package level variables to use in the script.
So I put the list of variables in the ReadWriteVariables property.
Specified them like this:
"User::FileBeingProcessed, User::FileSource"
And all was well....
Then later on decided to use the same set of variables in a Script Component contained in a Data Flow.
And kept kept getting a "..variable not found.." error dialog when I clicked on Design Script.
Finally the solution came to me: Spaces in the list of variables !
In a script task you can have a space after a comma in the list... but in a script component you CAN'T !!
So what works in a Script Task is :
Task : "User::FileBeingProcessed, User::FileSource"
But that will not work in a Script Component...
See the difference?:
Task :"User::FileBeingProcessed, User::FileSource"
Component:"User::FileBeingProcessed,User::FileSource"
I know the BOL says to use a comma separated list.. but.. some consistency would be nice...
PJ
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May 19, 2008
i have some code in a script task component which is meant to find a cell in an excel sheet and assign a variable to its value in the script component. I receive an error that the object is not set in instance of object. below is the code which i tried to simplify to find the error, but it is still occurring. any help would be appreciated. thank you
Dim vars As IDTSVariables90
vars.Unlock()
Me.VariableDispenser.LockForWrite(Variables.freq)
Variables.freq = "1"
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Jan 14, 2006
TITLE: Microsoft Visual Studio
------------------------------
Cannot show Visual Studio for Applications editor.
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft%u00ae+Visual+Studio%u00ae+2005&ProdVer=8.0.50727.42&EvtSrc=Microsoft.DataTransformationServices.DataFlowUI.SR&EvtID=CouldNotShowVsaIDE&LinkId=20476
------------------------------
ADDITIONAL INFORMATION:
Engine returned Unknown Error (Microsoft.VisualBasic.Vsa)
------------------------------
A project with the name 'ScriptComponent_972bfcb1f5ae462081f39130ba1d36b2' already exists.
------------------------------
BUTTONS:
OK
------------------------------
This happened immediately AFTER installing Visual Studio 2005. SQL Serve Workstation tools were already installed. I am running Windows XP SP2.
Anyway have any words of wisdon as to what the problem may be or how to investigate fix it?
Thanks
Jamie
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Aug 13, 2007
Hi all
I'm into a project which uses a lot of views for joining 2 or more tables. Using the MERGE component in SSIS will be a huge effort coz it only has 2 inputs and I gotta SORT the input too.
Isnt it possible to have a VIEW like component that joins more than 2 tables and DOESNT need sorting??
(I've thought about creating views in database engine but it breaks my data floe in SSIS and is'nt a practical solution)
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Mar 30, 2006
I am writing a custom dataflow transformation component and I need to get the name of the preceeding component.
I have been trying to find a way to get a reference to the Package object, MainPipe object or IDTSPath90 object (connecting to the IDTSInput90 of my component) from my component because I think from there I can get to the information I want.
Does anyone have any suggestions?
TIA . . . Ed
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Nov 27, 2007
No idea where this bug crept in from. Have been using SSIS for 1.5 years now without hitting this problem.
I had a script component opening an XML document and parsing it using XPATH. I added some code that uses StreamReader / Streamwriter (closing one stream before starting the other). The code works without issue in my C# app.
And it ran without issue 2-3 times in SSIS. Then suddenly after running my package again, the script component says it completes successfully, yet nothing happens. I set a breakpoint on the first line of code - it never hits it. I add a msgbox as the first line of code - and it never displays.
I then close my package / exit out of ssis ... and then re-open it. When i open my script component, all of my code is GONE. All references that I added are gone.
I tried adding the streamreader/writer process to a dll I created from my c# app ... and added the DLL to the package -- same result.
I can reproduce this on 2 different computers.
Anyone experience this problem ? Any idea how to stop it ? Or debug it ?
Here is a slimmed down code sample of what causes the error :
Public Class ScriptMain
Public Sub Main()
Try
Dim xmlDoc As New XmlDocument
xmlDoc.Load("c:ulkasync_86281519_20070628045850225_4.xml")
MsgBox("xmlLoaded") --this doesn't display once the package starts "acting up"
Catch ex As Exception
MsgBox(ex.Message)
UpdateXML("c:ulkasync_86281519_20070628045850225_4.xml", ex.Message)
End Try
Dts.TaskResult = Dts.Results.Success
End Sub
Private Sub UpdateXML(ByVal fileName As String, ByVal message As String)
Try
Dim invalidChar As String = message.Trim().Substring(message.Trim().IndexOf("0x"), 4)
Dim rd As StreamReader = New StreamReader(fileName)
Dim xml As String = rd.ReadToEnd()
Xml = Xml.Replace(invalidChar, String.Empty)
xml = xml.Replace("", String.Empty)
xml = xml.Replace("<![CDATA[<![CDATA[", "<![CDATA[")
xml = xml.Replace("]]>]]>", "]]>")
MsgBox("replaced")
rd.Close()
Dim wr As StreamWriter = New StreamWriter(fileName)
wr.Write(xml)
wr.Close()
Dim xdoc As XmlDocument = New XmlDocument()
xdoc.Load(fileName)
Catch ex As Exception
UpdateXML(fileName, ex.Message)
End Try
End Sub
End Class
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May 21, 2006
Under "Control Flow Items" appears the Script Task. Under "Data Flow Sources" appears the Script Component. The Script Task also supports .NET scripting so why is it intended to be used with control flow and not data flow?
TIA,
barkingdog
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