SSIS Custom Task
Nov 19, 2007
Hi there,
I'm still pretty new to SSIS, what I am really battling with is getting a custom task to work.
I have developed a custom task, digitally signed it added it to the Global Assembly Cache, written the UI for it - Pretty much as it is done here: http://technet.microsoft.com/en-us/library/ms136080.aspx
but my problem is that when I drag it from the tool box into the control flow pane, I get this message: "The task user interface specified by type name 'XXXXXXXXXXXXXXXXXXX' could not be loaded.
(Microsoft.DatatransformationServices.Design).
Does anybody have an idea of what I am doing wrong here?
Duane.
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Oct 4, 2006
I've written several custom Control Flow and Data Flow components for SSIS. I'm trying to deploy a new Control Flow Task, however it will not show up in the "Choose Toolbox Items" window.
I have my dll's all in the right place. Because of other painful issues we have not used the GAC, and instead have put our DLL's that are referenced in the following directory: C:program filesMicrosoft SQL Server90DTSBinn. This has worked fine for other custom tasks, but not for this one.
The only things that are different about this transform are the following:
1. Not only does the task inherit from Task, it also implements two interfaces that I wrote.
2. One of the assembly references is actualy an executable instead of a dll. This is unusual, but I've done it with other .NET projects and not had any trouble.
I could move the code I need from the EXE out to a DLL. If somebody knows what could be causing this please respond?
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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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Apr 7, 2008
Hi All,
I am using a Data Flow task which copies data from an Excel Source to a SQL Database Table Destination. From 15 columns I require only 10 columns to be imported to the DB Table. So I have mapped those colums. In SQL DB there is a colum called say X, whose value should be the "Remedy" for all the columns which are imported. Is there any task that can achieve it.
Please Help.
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Apr 29, 2008
Hello All Experts,
I have created one custom task with PropertyGrid Control and two button on it. I have everything under one class library project.
Problem I am facing is when i load task and clik on Edit I can not see those properties into that GUI and even functionlity of those two buttons (OK and Cancel) not working but I am able to see those properties in default property window.
If I create this GUI as a seperate window application then I am able to see those properties in GUI and buttons also working but in SSIS I am not able to load the task.
After reading on internet about SSIS they suggest to create everything under one project which I did.
Basically I am trying to populate connection managers like Source Connection and Destination Connection when I load this task and there are much more backend functionlity but at first step i m stuck and not able to see those properties in GUI.
Please help and give your input on it. I was following "Increment Task" example given by MSDN.
If you need more info let me know.
Thanks
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Nov 12, 2007
Hi Guys,
This is a question to the SSIS development team. I would like to know what are the requirements to implement custom SSIS Control Flow task in C++ . There is a documentation describing the process when implementing a managed task, but no such documentation exists for implementing a task in C++.
Thank you,
Ivan
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May 23, 2015
I'm writing my first SSIS custom task. I have added Public properties, which appear in the standard task properties window, and to one of them I have added an EditorAttribute as follows:
   <Category("General"), _
   Browsable(True), _
   EditorAttribute(GetType(UIFileNameEditor), _
   GetType(System.Drawing.Design.UITypeEditor))> _
   Public Property FilesToArchive() As String
[Code] ....
When I select the FilesToArchive property in the Properties window, I get an ellipsis that appears in the property value. When I click on the ellipsis, it brings up the FolderBrowserDialog, which is defined in the UIFileNameEditor class. This all works fine.
What I want to do is to bring up the EditorUI, the one you get when you double click on the task, and also populate that with properties which can be edited. I have a class which inherits DTSBaseTaskUI, which is displayed when I double click on the task.
I can also get properties to be displayed in that UI but I cannot get them to be editable in that UI, using the same technique as in the standard Properties window, as described above.
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May 12, 2015
I am writing my first custom SSIS task and I can see that, if I put a public property into the task, I see that property in the standard Properties window. If I add a property of type String, I can put a value in that property, in the task code, and when I instantiate the task in a package, I can see the value I entered.
To try and get a drop down list property in the Properties window, I declared a property of type Combobox, and indeed a drop down list appears in that property.
My problem is trying to get values in that property. I have used the test items:
   Property.Items.add("Fred")
   Property.Items.Add("Jim")
But I do not see the values in the drop down list. All I do see is one item with a value of "(none)".
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Jul 6, 2007
HI,
I need to open a File through File connection manager and want to assign these file properties to SSIS precreated varibale or Newly created varibale. I want to show file properties in Propertygrid. Properties grid will conatin File Propeties Column and SSIS varibale Combobox column. The combo box will contain New variable field. When user select New Variable field, then a new SSIS varibale window will open and we can able create New variable and that Newly created variable should add to that property comboBox.
For Instance if we create a new varibale Name "Creationdate" by clicking on New Varible in ComboBox, then that CreationDate variable should add to Property ComboBox in PropertyGrid. After adding when we select that variable Name "Creationdate" then that selected file Creation date should assign to SSIS varibale "Creationdate" field.
Any Comments or sample will help me.
Nitin
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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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Jul 5, 2002
I've created a custom task in VB6 and compiled the DLL. wHen I run the task in DTS designer as a step it runs ok, however when I try to exectue the whole package nothing happens??
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Nov 20, 2006
Hello All,
We have developed some custom tasks which we currently deploy the standard way. That is, we install the custom task assemblies in the DTSTasks folder and we also install the assemblies in the GAC. Due to some deployment practices we are trying to implement we would like to be able to remove the assemblies from the GAC and install them in some other location. I have tried installing the assemblies in the DTSBinn folder, but this does not appear to be working. When I drop the custom control flow tasks onto the package's control flow tab I get the "Cannot create a task with the name ..." error.
Is it possible to not have the custom task assemblies in the GAC? Are there any tricks to getting it to work?
FYI, our assemblies are signed. I'm not sure if that has anything to do with our troubles.
Thanks,
Rob
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Jan 27, 2008
Hi,
Had anyone code a custom task UI and used the propertygrid like most of the SSIS components do?
I am having an issue while trying to get the connections from my UI FORM.
They way i did was to get the parent of the form (The package) and then get the connections but that will only work for the FORM if i use the property from the properties panel i throws an error because obviously i dont have the FORM neither the parent...
I now i should use the service provider and get the IDTSconnection... but somehow it always comes = "Nothing"....
Regards
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Apr 23, 2007
I've gone through all the steps, and when I finally drag the custom task I've made into the control flow, I get the error
"Failed to create the task. ... Cannot create a task with the name "SSISExportToExcel.ExcelExport.ExcelExport, SSISExcelExport, ... Verify the name is correct"
Here's the beginning of my class... any help would be appreciated...
Namespace ExcelExport
<DtsTask(DisplayName:="Excel Export Task", _
Description:="Exports a SQL query results to an Excel Document")> _
Public Class ExcelExport
Inherits Task
....
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Jul 24, 2006
Is there a way you can reference a prebuilt CLR function in a custom dataflow task?
The CLR and the custom dataflow task are one in the same. The reason that I'm designing the custom task is that I find that it's time consuming to make a call to the database to retrieve a function to work on something that's already in memory. Also, another reason is that if the code needs to be updated, it doesn't have to be done in 2 places allowing for less confusion.
I tried adding a reference to the CLR function in my SSIS dataflow task, but when I try running it in SSIS, I get the error saying it cannot use a SQL CLR defined task in the package which I believe is due to this reference in the CLR code:
[Microsoft.SqlServer.Server.SqlFunction]
public static string toCase(string text, string caseType)
Is there a way to circumvent the [...SqlFunction] line of code when the DLL is referenced by an SSIS dataflow task, or do I just have to deal with having 2 copies of the same code?
Thanks in advance!
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Mar 19, 2007
Hi all,
I'm having a nightmare trying to test my custom task.
I get the following error message when trying to add the task from the toolbox...
Cannot create a task with the name "myTask, Version=1.0.0.0, Culture=neutral, PublicKeyToken=b8e53511af163eb7". Verify that the name is correct.
(Package)
------------------------------
Program Location:
at Microsoft.SqlServer.Dts.Runtime.Executables.Add(String moniker)
at Microsoft.DataTransformationServices.Design.DtsBasePackageDesigner.CreateExecutable(String moniker, IDTSSequence container, String name)
Any ideas?
Cheers.
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Feb 4, 2005
I need to find a better way to handle DTS Job Failure issue. Currently, we have about 50 jobs which executed through DTS packages. Everytime when sources were not there or came in late, the DTS sent out an email to my page which I carried every day. Some those came in during the holidays even though I know the source party won’t generate the source files at that day.
Trying to avoid to get beep everytime when job was failed. Someone suggested that it is possible to add kind of executable file within the Custom task and let it trigger the DTS packages. If, for example, a holiday then don’t run the package so I won’t get the page.
Any hints suggestions would be greatly appreciated
J827
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May 24, 2007
I've created a custom task, and now I want to upgrade it. There's actually no change in the task itself, but I've changed the assembly version number, and now I need to upgrade all the tasks that reference the old version number.
So I rebuilt the task, and I created a policy assembly with a bindingRedirect that forwards to my new assembly. I removed the old version of the assembly from the GAC. All good so far - I've even run the task through the debugger, I open the package as "Reload with Upgrade", and the breakpoints in my CanUpdate, Update and Version overrides are being hit fine. This approach works fine in my custom pipeline components, and the PerformUpgrade override updates the UserComponentTypeName to reflect the new assembly version number (see Milen's post in http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=893641&SiteID=1).
But the task itself won't upgrade, or at least, it seems to require the old assembly version number. I get an error message:
Code SnippetThe task with the name "My Task" and the creation name "xx.xxx.MyTask, xxx.xxx, Version=0.1.0.0, Culture=neutral, PublicKeyToken=xxxx" is not registered for use on this computer.
Has anyone got any ideas what I'm doing wrong? I've got 40 or so packages with 2 tasks in each, and I don't really want to have to delete and add them to each one ...
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Mar 19, 2008
i am getting below error when i installed custom task
Cannot create a task with the name "Application.SendMail, SendMail, Version=4.2.0.400, Culture=neutral, PublicKeyToken=bf6c37fa78f5a648". Verify that the name is correct.
(Package2)
Please help me
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Jan 23, 2008
Hello,
Anyone experienced in creating custom tasks?
I am currently having problems while trying to use a UI form within my task.
This is the way i am coding it:
In the same project i have two classes and one Form: A CustomTaskExample, a CustomTaskExampleUI and a CustomTaskForm
Class: CustomTaskExample
Code Snippet
< FONT>"CustomTaskExample", _
UITypeName:="CustomTaskExampleUI," & _
"Version=1.0.0.0,Culture=Neutral," & _
"PublicKeyToken=b853fe59589b971f", _
TaskType:="PackageControl", _
TaskContact:="CustomTaskExample; Testing", _
RequiredProductLevel:=DTSProductLevel.Enterprise)> _
....
Class: CustomTaskExampleUI
Code Snippet
Public Function GetView() As ContainerControl _
Implements IDtsTaskUI.GetView
Return New CustomTaskForm(Me.taskHost, Me.connections)
End Function
When i try to drag the task to a new Package i get the following error:
TITLE: Microsoft Visual Studio
------------------------------
Failed to create the task.
------------------------------
ADDITIONAL INFORMATION:
The task user interface specified by type name 'CustomTaskExampleUI,Version=1.0.0.0,Culture=Neutral,PublicKeyToken=b853fe59589b971f' could not be loaded. (Microsoft.DataTransformationServices.Design)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft%u00ae+Visual+Studio%u00ae+2005&ProdVer=8.0.50727.762&EvtSrc=Microsoft.DataTransformationServices.Design.SR&EvtID=CouldNotLoadTaskUIForType&LinkId=20476
------------------------------
The given assembly name or codebase was invalid. (Exception from HRESULT: 0x80131047) (mscorlib)
------------------------------
BUTTONS:
OK
------------------------------
What am i doing wrong?
Regards
<>
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Feb 18, 2008
Hi there,
I have an issue that feels like it requires an Unpivot task, but I'm struggling to visualise the best way to do it. I'd be grateful for any advice on this.
I have this dataset in my pipeline
moduleid
startdate
modenddate
Revenue
MonthsOnModule
800091
05/09/2007
30/12/2007
150
3
800094
05/09/2007
30/11/2007
148
2
800095
05/09/2007
30/12/2007
300
3
Basically, each module has a start date and an end date. Therefore, with a simple datediff, we can get to MonthsOnModule.
Each module attracts an amount of revenue, which need to be allocated equally to each month over which the module runs.
In the example above, Module 800091 lasts 3 months, generates £150 revenue, so in September 2007, it attracts £50, in October 2007 It attracts £50, In November 2007 it attracts £50.
I'm using this package to populate a fact table in an OLAP Data Warehouse. The destination table needs to hold the data like this:
moduleid
Month
value
800091
200709
50
800091
200710
50
800091
200711
50
800094
200709
74
800094
200710
74
800095
200709
100
800095
200710
100
800095
200711
100
Now that looks like a pretty straight unpivot, but in order to unpivot, you have to have columns to unpivot into rows. In this case, I would need one column for each month that the module lasted. Modules can last any number of months. Some last 40 months, and there is no reason why one couldn't last 100 months or more.
I just can't really seem to visualise my approach to this transform. Anyone got any ideas?
Thank you
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Jul 5, 2007
I wrote a custom task following the outline on MSDN. I signed it and installed it into the Tasks folder and in the GAC.
When I go to an SSIS project and add my task, the properties window shows "Could not get value for property 'd61935d9-430b-4c93-9f3e-a29f720d8659'. Specified cast is not valid." (where the guid is different obviously) for many of the properties.
What have I done wrong?
Update: I know this isn't my code because I tried a simple task that just returns success and doesn't do anything. I get the exact same errors, so I must be installing it incorrectly.
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Aug 28, 2001
Hi,
I made my own DTS custom task with Visual Basic 6.0.
The DTS custom task work but when i delete it from the DTS package
a mmc.exe application error occur about written memory.
I trie an other DTS custom task that i dowloaded from this site, the
same error occur.
My SQL Server version is the 7.0 with Service Pack 1.
Many thank's for advance
Stephane
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Sep 14, 2007
I've been playing around with building custom components for SSIS. I've been doing workflow for years (using Java and Oracle). The company I worked for had a framework for publishing data that allowed for user interaction. That's something I'd love to be able to do in SSIS.
Is it possible to create a custom task that interacts with the user at runtime? So, the user starts the SSIS package. At some point, the process pops up a dialog (Windows Form) that asks the user to set a date using a calendar control.
Any thoughts?
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May 19, 2007
I'm trying to create a custom data flow destination, and it has a custom property that needs to get value from variable(similar to the FileNameVariable property of Raw File Destination), how can I do that?
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Jul 3, 2006
Hi Everyone,
I created a script task that uploads a file to a HTTPs site. The script task works well and now I want to turn this script task into a custom component...
I'm having problems on how to call the variables I have in the package, I already locked them for reading, but how am I suppose to access them and how can I put their values into strings so I can easily call them in the WebClient.UploadFile method?
Also, I am very new to custom tasks in SSIS.. and would appreciate if anyone of you can send me something (code, link, etc.) of a very simple custom task without any form or properties, that I can try to study.
Basically, what I want my custom task to do is,
1. Read the varialbes in the package.
2. use the variables values as input in my WebClient.UploadFile("varURLstring", "PUT", "varFilePath")
as you can see, my custom task is really simple... but I'm a noob here and I don't know where to go.
Thanks in advance,
Kervy
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Oct 27, 2006
Hello All,
I have searched on this forum for a similar question but couldn't find it so I apologize if this has been asked. If so, I'd greatly appreciate a link to the question. I have created a custom task and am trying to read an xml package configuration file within my custom task. To be more specific, I have added an ADO.Net Connection to my database onto the package and have generated the appropriate tags within my package's configuration xml file. I'm not seeing the classes I should use to access the configuration file of the package I've created. Does anybody have any ideas how I can accomplish this or a link to a document that might cover the material? Thanks!
Jay_G
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Apr 12, 2006
This seems like a rather simple questions that I've hesitated posting for a day now, but as of yet I can't really find an answer through my searches online.
My SSIS package is using a couple of the Konesans Transforms, this worked fine on my development box with my dev SQL server. The time has come now to deploy my package to my production SQL server. The instructions on installing the transforms on my dev box all uses Visual Studio to add the components.
Is there a way to deploy 3rd party (own my own) SSIS tasks with the package? Does it require a seperate install? How can I do it without Visual Studio?
Thanks for any help,
-Dan
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Jul 25, 2007
I am writing a custom task to import data from delimited files into SQL tables. I use the standard Flat File Source adapter, a custom transformation to add a URN column and a filename column to the data and the standard OLEDB Destination Adapter.
Most of my test data files work fine except for ones with a lot of columns (around 350 columns). I get an error when I call the ReinitializeMetaData() method for the destination adapter.
Q1) Is there a restriction on the number of columns (or data row size) that can be imported into an OLEDB Destination Adapter?
Q2) The reason I use this adapter rather than the SQL Server Destination Adapter is that I need to set the destination table name using a variable. I don't believe I can do this with the SQL Server Destination Adapter. Is this the case?
Q3) Anyone know of a better/alternative way of acheiving the above? One way I have thought of is to create a custom destination adapter using the SQL Server Destination adapter as the base but I'm not sure whether this is a) possible and b) worth the hassle.
Hope someone can help...
Cheers
Nick
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Aug 2, 2006
does anyone know of any boilerplate code or templates (codesmith or other code-generation software) that can be used to produce a UI for a custom task?
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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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Feb 21, 2008
I am using the "Transfer SQL Server Objects Task" to copy some tables from database A to database B including data.
The tables, primary key constraints, Foreign key, data and all transfers nicely except for "DEFAULT CONSTRAINTS" on the tables.
I have failed to find any option in the "Transfer SQL Server Objects Task" task to explicitly say "copy default constraints". So I guess logically it should happen automatically but it doesn't. I hope it is not a bug :-)
Any option anyone knows will help.
Thanks.
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