Validation Error On Custom Component Property
May 28, 2008
I have set a validation error when changing a property in the advanced editor. Unfortunately this validation error is only displayed when you change tabs or press the ok button in the editor.
I have tried calling the validate method within the setcomponentproperty method but the error only show up when ok button is pressed or tab in editor.
I don't want to throw an exception, is there any way you can show a validation error immediately once the user has clicked away / entered / clicked to another property field after entering a property value in the advanced editor that is incorrect.
Thanks
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May 29, 2008
Can you fire a warning / error validation immediately after a value is entered (user clicks away / clicks different property) in a component property without having to press ok button or switch tabs.
Have tried to call validate in setcomponentproperty but only takes effect when press ok button / switch tabs.
Thanks
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Apr 2, 2007
Hi,
I'm trying to enable Expression for a custom property in my custom data flow component.
Here is the code I wrote to declare the custom property:
public override void ProvideComponentProperties()
{
ComponentMetaData.RuntimeConnectionCollection.RemoveAll();
RemoveAllInputsOutputsAndCustomProperties();
IDTSCustomProperty90 prop = ComponentMetaData.CustomPropertyCollection.New();
prop.Name = "MyProperty";
prop.Description = "My property description";
prop.Value = string.Empty;
prop.ExpressionType = DTSCustomPropertyExpressionType.CPET_NOTIFY;
...
}
In design mode, I can assign an expression to my custom property, but it get evaluated in design mode and not in runtime
Here is my expression (a file name based on a date contained in a user variable):
"DB" + (DT_WSTR, 4)YEAR( @[User::varCurrentDate] ) + RIGHT( "0" + (DT_WSTR, 2)MONTH( @[User::varCurrentDate] ), 2 ) + "\" + (DT_WSTR, 4)YEAR( @[User::varCurrentDate] ) + RIGHT( "0" + (DT_WSTR, 2)MONTH( @[User::varCurrentDate] ), 2 ) + ".VER"
@[User::varCurrentDate] is a DateTime variable and is assign to 0 at design time
So the expression is evaluated as: "DB189912189912.VER".
My package contains 2 data flow.
At runtime,
The first one is responsible to set a valid date in @[User::varCurrentDate] variable. (the date is 2007-01-15)
The second one contains my custom data flow component with my custom property that was set to an expression at design time
When my component get executed, my custom property value is still "DB189912189912.VER" and I expected "DB200701200701.VER"
Any idea ?
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Aug 17, 2005
What I want to accomplish is that at design time the designer can enter a value for some custom property on my custom task and that this value is accessed at executing time.
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Apr 21, 2006
1) We are writing a custome Source component for Oracle with OCI calls, Could some one please let me know how to Enable Error Handling for the Same,
2) Is it possible to write Custome Error Handeling Component for SSIS? if yes could you please help me on how to write it.
Thanks in advance.
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Aug 20, 2007
Hi
I'm developing an PipelineComponent (ComponentType.Transform). When I try to execute this component, the following error is thrown:
Code Snippet
===================================
Package Validation Error (Package Validation Error)
===================================
Error at Data Flow Task [DTS.Pipeline]: Buffer Type 1 had a size of 0 bytes.
Error at Data Flow Task [DTS.Pipeline]: The buffer manager failed to create a new buffer type.
Error at Data Flow Task [DTS.Pipeline]: The Data Flow task cannot register a buffer type. The type had 50 columns and was for execution tree 0.
Error at Data Flow Task [DTS.Pipeline]: The layout failed validation.
Error at Data Flow Task: There were errors during task validation.
(Microsoft.DataTransformationServices.VsIntegration)
------------------------------
Program Location:
at Microsoft.DataTransformationServices.Project.DataTransformationsPackageDebugger.ValidateAndRunDebugger(Int32 flags, DataWarehouseProjectManager manager, IOutputWindow outputWindow, DataTransformationsProjectConfigurationOptions options)
at Microsoft.DataTransformationServices.Project.DataTransformationsProjectDebugger.LaunchDtsPackage(Int32 launchOptions, ProjectItem startupProjItem, DataTransformationsProjectConfigurationOptions options)
at Microsoft.DataTransformationServices.Project.DataTransformationsProjectDebugger.LaunchActivePackage(Int32 launchOptions)
at Microsoft.DataTransformationServices.Project.DataTransformationsProjectDebugger.LaunchDtsPackage(Int32 launchOptions, DataTransformationsProjectConfigurationOptions options)
at Microsoft.DataTransformationServices.Project.DataTransformationsProjectDebugger.Launch(Int32 launchOptions, DataTransformationsProjectConfigurationOptions options)
Can anyone help me, please? The "Integration Services Error and Message Reference" didn't help me much.
Thank you
Manuel Bauer
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Apr 17, 2008
Hi,
I developed a simple custom control flow component which has several read/write properties and one readonly property (lets call it ROP) whichs Get method simple returns the value of a private variable (VAR as string). In the Execute method the VAR has a value assigened. When I put the value of ROP or VAR into MsgBox I can see the correct value. However when I execute the component I can not see the value of the ROP in the property window. I see the property but its value is empty string. For example when I put a breakpoint to postexecute or check the property before click OK in a MsgBox I would expect that the property value would be updated in SSIS as well. Is there a way how to display correct values of custom tasks properties in property window?
Thanks for any hints.
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May 11, 2006
For the Custome source Component ErrorOutput, should I go for asynchronous / synchronous Output.
If i go for synchronous output
// Create the error output.
IDTSOutput90 errorOutput = ComponentMetaData.OutputCollection.New();
errorOutput.IsErrorOut = true;
errorOutput.Name = "ErrorOutput";
errorOutput.SynchronousInputID = What Id is required here;
errorOutput.ExclusionGroup = 1;
Is it the IDTSOutput90 InPut.ID / OutPut.ID which should be assigned.
Thanks Regards
Anil
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Dec 6, 2007
Hi all,
I saw a couple of other posts here on this topic, but none quite got to my issue.
I'm trying to add error output to a custom source component (not a script, a custom component). The samples all seem to deal with transform components, and my issues seem to be unique to source components.
I have the following code related to error handling ...
Public Overloads Overrides Sub ProvideComponentProperties()
...
Dim output As IDTSOutput90 = ComponentMetaData.OutputCollection.New
output.Name = OUTPUTCOLUMNNAME
output.ExternalMetadataColumnCollection.IsUsed = True
ComponentMetaData.UsesDispositions = True
output.ErrorRowDisposition = DTSRowDisposition.RD_NotUsed
output.ErrorOrTruncationOperation = "Something got truncated or blew up"
Dim errorOutput As IDTSOutput90 = ComponentMetaData.OutputCollection.New
errorOutput.Name = ERRORCOLUMNNAME
errorOutput.IsErrorOut = True
...
End Sub
Public Overloads Overrides Sub ReinitializeMetaData()
Dim output As IDTSOutput90 = ComponentMetaData.OutputCollection(OUTPUTCOLUMNNAME)
Dim outColumn As IDTSOutputColumn90 = output.OutputColumnCollection.New
outColumn.Name = strName
outColumn.SetDataTypeProperties(DataType.DT_I4, 0, 0, 0, 0)
Dim metadataColumn As IDTSExternalMetadataColumn90 = output.ExternalMetadataColumnCollection.New
metadataColumn.Name = outColumn.Name
metadataColumn.DataType = outColumn.DataType
metadataColumn.Precision = outColumn.Precision
metadataColumn.Length = outColumn.Length
metadataColumn.Scale = outColumn.Scale
metadataColumn.CodePage = outColumn.CodePage
outColumn.ExternalMetadataColumnID = metadataColumn.ID
outColumn.ErrorRowDisposition = DTSRowDisposition.RD_NotUsed
outColumn.ErrorOrTruncationOperation = "Something Truncated!"
outColumn.TruncationRowDisposition = DTSRowDisposition.RD_NotUsed
Dim errorOutput As IDTSOutput90 = ComponentMetaData.OutputCollection(ERRORCOLUMNNAME)
Dim errorColumn As IDTSOutputColumn90 = errorOutput.OutputColumnCollection.New
errorColumn.Name = outColumn.Name
errorColumn.SetDataTypeProperties(DataType.DT_I4, 0, 0, 0, 0)
...
End Sub
The confusions I have are:
a) the stock advanced properties editor (I haven't provided a custom one) doesn't seem to "realize" that I have an error output, so provides no method to configure. I am believing it would need to know which Output columns can have their error/truncation redirected. I'd have thought setting ErrorRowDisposition on my output column would have been enough to trigger this ??
b) since I don't have any means of configuring, not surprisingly, when I try to connect my error output, designer complains that, "Ths error output cannot receive any error rows. This occurs for several reasons: Input columns or output columns are not yet defined. Error handling is not supported by the component. Error handling is not configured for the component."
c) UsesDispoistions would seem to be appropriate only for a transform component
Thanks for reading, and appreciate any help or pointers.
Bill
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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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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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Aug 14, 2007
Hi,
I've created a Custom Data Flow Component and added some Custom Properties.
I want the user to set the contents using an expression. I did some research and come up with the folowing:
Code Snippet
IDTSCustomProperty90 SourceTableProperty = ComponentMetaData.CustomPropertyCollection.New();
SourceTableProperty.ExpressionType = DTSCustomPropertyExpressionType.CPET_NOTIFY;
SourceTableProperty.Name = "SourceTable";
But it doesn't work, if I enter @[System:ackageName] in the field. It comes out "@[System:ackageName]" instead of the actual package name.
I'm also unable to find how I can tell the designer to show the Expression editor. I would like to see the elipses (...) next to my field.
Any help would be greatly appreciated!
Thank you
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May 19, 2015
I have a main package calling another package through the Execute Package task.
The main package is passing the Job Instance id as a parameter to the other package.
When i execute the Execute Package task the concerned package is not showing any execution progress.However when i set the Delay validation Property to True , I saw that the package executed instantly and the desired result was obtained.
I am not sure how the Delay Validation property worked for the cause , as in my package I had no scenario of a temp table being called or any other temporary variables being used which needed a Delay Validation.
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Mar 19, 2008
Hi,
Please suggest me the approach for handling the below custom validation in SSIS
Source: A Table in the database
Destination: One or More Tables in the database
Transformation:For each record in the source table, I have to do custom validation and redirect to one of the destination tables
Custom validation for each record include
1. Checking a set of fields are not matching with main record data in database - If so move to a duplicatelist table
2. Checking for set of fields have got any new values - If so make an entry in a newvaluesfound table
3. If no new/duplicate found move to success table
Approach 1
An OLEdb Source Task to point the source table
An OLEdb Transformation to call an SP for each record in the source
Concerns
The Transformation is implemented in SP(Custom validation & loading to destination)
Approach 2
An Script task from the control flow items - To call an SP in the database
Concerns
The Source, Transformation, Destination - everything managed in the SP
Suggestions needed
Is there any better approach of handling this type of requirement in SSIS
If I write all the code in SP, I may need to use cursors for looping through each record..
Thanks & Regards,
Kalyan
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Apr 9, 2008
i need some help modifying a custom control flow task...
I am currently working on an export solution, and since some of the consumers of the export files can not handle unicode, i need to change the Codepage of the output based on config file parameters.
I downloaded a custom dataflow component published by MS (please find the link below - 1). It works fine for changing codepages, but it cannot be configured via expressions.
So i decided to modify the component the way MS describes it (link below again - 2):
Thus, added one row to the method "ProvideComponentProperties()":
customProperty.ExpressionType = DTSCustomPropertyExpressionType.CPET_NOTIFY;
But this changes nothing, i am still not able to use an expression for setting this property. I could need some help on this...
Thanks a lot,
Regards
Jan
Links:1)SQL Server SSIS Sample Component: CodePageConvert:https://www.microsoft.com/downloads/details.aspx?familyid=9e56417e-23d1-4fd3-8d6d-61314faa2de3&displaylang=en2) Design-time Methods of a Data Flow Component:http://technet.microsoft.com/en-us/library/ms135969.aspxComplete Method:
public override void ProvideComponentProperties()
{
base.ProvideComponentProperties();
IDTSCustomPropertyCollection90 customProperties =
this.ComponentMetaData.CustomPropertyCollection;
IDTSCustomProperty90 customProperty = customProperties.New();
customProperty.Name = "CodePage"; // do not localize
customProperty.Value = 850;
customProperty.ExpressionType = DTSCustomPropertyExpressionType.CPET_NOTIFY; //My Code
}
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Oct 18, 2006
I have a custom transform, with a custom property of value 1. My question is, can I change that value during runtime with the value from a variable?
Thanks
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May 20, 2007
Is there any way to provide a readonly custom property in the ProvideComponentProperties() method of a custom PipelineComponent implementation?
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Dec 19, 2007
Hi,
I have a trouble with script component. From time to time, I cannot see available data types of the column I´m just editing, in the Script component editor. The cell in the section Data Type properties, where normally combobox with data types is, is completelly black. This happens both with "old" script components I'm only viewing and new script component I'm creating.
This problem occured for the first time immediately after I migrated from Windows XP to Vista Bussiness 64bit and then several times without any obvious similarity among terms under which this appeared.
I have SP2 for SQL Server and SP1 for VisualStudio 2005 Professional edition installed.
Please, can you help me?
Thanks
Jana
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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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Apr 11, 2008
Hi all,
I'm wondering if anyone's accomplished this before - I've been unable to find a whiff of info on how to do this so far.
I'm creating a custom component that I'd like to give a "Derived Column" type of ability to. By that, I mean I'd like to populate a property of my component with an expression (including references to input columns, package variables and functions) and be able to evaluate it at runtime - per row processed by the component.
I would also appreciate any information as to how to provide the interface to allow the user to build such an expression as well - is there a UI function in SSIS I can call to pop up the "expression builder"?
Thanks!
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Apr 21, 2006
I'd like to be able to hold onto lineageIDs in a list in the custom property of an output object. I found that I can really only easily use an array which is fine but now that I have coded it I cannot set any of the array values programatically. I can't even initialize the array the way I want it. I also cannot change the value in the debugger, it just pops back to zero.
Am I missing something? Here's how I'm trying to do it:
IDTSCustomProperty90 linIDsProperty = output.CustomPropertyCollection.New();
linIDsProperty.Name = "KeyColumnLineageIDs";
linIDsProperty.Value = new int[MAX_KEY_COLS];
for (int i = 0; i < ((int[])linIDsProperty.Value).Length; ++i)
((int[])linIDsProperty.Value)[i] = -1;
(please ignore the \ around the [i], the forum changes [i] into for some reason)
Thanks
Charlie.
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Mar 24, 2007
I am creating of may of dataflow component.
How make a property with list of predefined values?
Thanks in advance.
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May 2, 2008
Hi Folks,
I have a task I wrote which does not always update the property value (as seen in the properties pane)
Basically, change something on the form, then update the task host property with:
this.taskHostValue.Properties["Duration"].SetValue(this.taskHostValue, Convert.ToInt32(spnDuration.Value));
Stepping through this, it does exactly what it is supposed to. Having a look at the property value, it confirms it has changed.
Reopening the UI and resetting all the controls returns the expected results.
The package however does not realise it has changed. There is no * next to the package name in the top tabs.
As long as the package thinks it is unchanged, SaveXML does not get called either so the tasks do not persist.
Changing the value on the properties pane works fine though.
The frustrating thing is this is slightly random. Slight in the sense that sometimes it works but most of the time it does not.
The sample code I used was the MS download IncrementTask (Which works BTW) so I can't see it as being a VS / SSIS bug but rather something I am / am not doing. 3 tasks I have written all behave the same. I have to "nudge" them before savign the package.
Any ideas what the problem might be?
TIA
Cheers,
Crispin
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Oct 15, 2006
Im working through the MS example of "removeDuplicates". I cant seem to figure out how to add custom property for input column.
I added the helper method:
private static void AddIsKeyCustomPropertyToInput(IDTSInput90 input, object value)
{
IDTSCustomProperty90 isKey = input.CustomPropertyCollection.New();
isKey.Name = "IsKey";
isKey.Value = value;
}
I call it from:
public override void ProvideComponentProperties()
{
//...
AddIsKeyCustomPropertyToInput(input, false);
//...
}
public override void ReinitializeMetaData()
{
IDTSInput90 input = ComponentMetaData.InputCollection[0];
if (input.CustomPropertyCollection.Count == 0)
{
AddIsKeyCustomPropertyToInput(input, false);
}
// ...
}
However when I deployed it and added the component to SSIS package - I cant see the Custom Column "IsKey" in the input column properties window.
What am I missing - please help
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Sep 21, 2006
We have a built a custom control flow task that we use frequently. It has a simple user interface form where we can set certain properties. Problem is, after I configure it once and then copy and paste it all of the internal property settings seem to be lost on the newly pasted task. When I open up the editor for the task all of the properties are displayed visually in the editor form, but the properties pane is empty.
How can this be corrected?
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May 19, 2006
Hi
I am writing a custom transformation component that utilises a user variable.
Before using the variable at run time I am checking that the variable exists, but it would be nice to be able to add it if it does not. I cannot find any documentation on the subject, though I can see that the Variables class is derived from a ReadOnlyCollectionBase.
Is there a way to add a user variable with package scope from a custom component, either at run time or design time?
Thanks . . . Ed
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Apr 10, 2006
I've run into this a second time now. I'm hoping for some resolution AND guidance for proper build, save, etc. protocols in BIDS.
I've coded a custom component, included post-build procedures to add it to the GAC, selected it from the "Choose Items..." menu, and successfully added to a data flow. I've then been able to succesfully debug it.
This was all Friday afternoon. I shut down my BIDS session(s) and called it a week. This morning when I open BIDS, I get the following error when I attempt to add it to a data flow task:
TITLE: Microsoft Visual Studio------------------------------The component could not be added to the Data Flow task.Could not initialize the component. There is a potential problem in the ProvideComponentProperties method.------------------------------ADDITIONAL INFORMATION:Error at Data Flow Task [DTS.Pipeline]: Component "component "" (16)" could not be created and returned error code 0x80131600. Make sure that the component is registered correctly.------------------------------Exception from HRESULT: 0xC0048021 (Microsoft.SqlServer.DTSPipelineWrap)------------------------------BUTTONS:OK------------------------------
What would explain this? I'm new to VS/BIDS. Am I improperly shutting down my BIDS sessions? Is a save required for my code? Does "Build <component>" not automatically save?
Also, when I re-build a component after making a change to it, what do I need to do in my package's Data Flow task? Delete the current component, re-add it, and configure it again? I'm sure there are certain things that require one type of re-initialization vs. others (i.e., making a change to the Design Time code vs. making a change to code within the ProcessInput method.)
What can I do to properly register this now? I'm dead in the water and have no idea what to do. Any help's appreciated.
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Sep 26, 2007
Hi
I developed a €śdata flow source€? in my computer and it is ready!
It works in my computer, but how do I deploy this component in to the server? I have any programming environment on it.
Any Idea?
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Nov 20, 2006
Hi,
I was trying the SSIS programming samples,that comes with installation of SQL Server 2005, I want to load the ChangeCase DLL in the toolbox.
The readMe file gives the direction. It does not work. It says you will see component in once you see DataFlow Task button( clicking Choose Items in the tools box).
I cannot load the custom component to the toolbox, Can I get some help.
Thank you,
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May 10, 2006
Hi
in the acquireconnection method Using the below statment I can get a connection Object
oledbConnection = cmado.AcquireConnection(transaction) as OleDbConnection;
from the connection object I can get the connectionstring from the object by calling
oledbConnection.connectionstring() property which will have all the details like DataBase, UserName & other Inofrmation but there is no password Info.
How to get the password Information, I need that information since I will use that info to make OCI calls to fetch the data from the Oracle database in m,y custome source component.
any help is much appriciated
thanks in advance.
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Mar 23, 2006
Hi,I have developed a custom source component to get data from a generic odbc connection with some special caracteristics.
The component works fine by getting and mapping the output fields etc...
The only two problems existing are that when i run the task it says that the data flow has no components inside... how is this possible since i have my source mapped to a flat file inside that data flow?
This is the error:
SSIS package "BVEIT000D.dtsx" starting.
Warning: 0x80047034 at BVEIT000D_<EMPRESA> TXT, DTS.Pipeline: The DataFlow task has no components. Add components or remove the task.
Information: 0x4004300C at BVEIT000D_<EMPRESA> TXT, DTS.Pipeline: Execute phase is beginning.
SSIS package "BVEIT000D.dtsx" finished: Success.
The other problem is that if i want to <ignore> a certain source column the component already shows me an error saying that the no column with ID 0 was found...
Any one with experience in creating custom components?
Regards,
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Nov 9, 2007
Hi huys,
can you tell me how you create a MSI file for your custom component.
basically i've created a SSIS custom component, and i want to distiribute among a few people, i guess instead of providing step by step instructions it would be easy if they just clicked on packaged msi file.
i've seen many people putting their custom components on the web as MSI, how do you do it?
cheers
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