Custom DataFlow Transformation Not Showing Up In Toolbox
Nov 27, 2006
I've created a custom data flow tranformation and it isn't showing up in the Tool Box Items to be added under the Data Flow Items tab (right click on tool box, 'Choose Items...', then clicked Data Flow Items).
I have done the following:
signed the assembly,
added to GAC,
copied the dll to C:Program FilesMicrosoft SQL Server90DTSPipelineComponents.
It worked previously when I was just starting out, however now I cannot see it. What would cause it to not show up? Everything compiles fine. How would I determine how to fix it so that it shows up?
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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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May 17, 2007
I just installed sql2005 and bi dev studio on a vista box. Then VS 2005 and all svc packs.
I create a new SSIS package but don't see any Data Flow Destinations in the toolbox while on the dataflow tab. I choose "show all" and don't see any data flow destinations anywhere.
I can use the wizard to create packages, and it adds destinations just fine.
Anyone have any idea what may be wrong?
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Feb 27, 2007
I need to extract data from tables in a database that I can only access via ODBC.
I have successfully created a connection in Connection Manager (ConnectionManagerType = ODBC) for this database.
However I€™m unable to add this connection as a Data Flow Source. There is no ODBC Source option in the Toolbox.
This is a major because we have been using the system dsn Microsoft Visual Foxpro Driver to access free table directory .dbf files under ODBC with DTS for years. To install a new Microsoft OLEDB driver for foxpro is out of the question on a production system as it would cost many thousands of dollars to go through our BAT testing process
How do I extract data from tables in a database via ODBC?
Thanks in advance
Dave
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Sep 10, 2007
I have developed a renderer that renders the xml to paint a rectangle with textboxes in all the right places based on the data retrieved off the database. When i render the a complete report to the reportviewer i have no problem.
I need however to render the rectangle into a custom report item for reusability and different scenarios. This just seem to be impossible since it seems like I cant use anything other than an imagemap to render custom report items. Is this true?
To make sure you understand....in other words....
Is there a way to develop a Microsoft.ReportingServices.ReportRendering.IRenderingExtension that renders the required xml like rectangles/textboxes etc. and then migrate this to a custom toolbox item. It just seems like this should be a very easy thing to do and something regularly needed. For example when you want to use textboxes in certain positions within a rectangle to draw a organisational chart.
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May 3, 2007
Hi,
I am interested in adding custom buttons to the parameters toolbox (under "View Report"). I'm trying to provde a way for users viewing the report to go "Back" or up a level (in the drill through reports). Does anyone have any information on this topic, or know if it's even possible?
Thanks in advance,
-Brandon
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Mar 8, 2007
Hi,
I am creating a custom transformation component, and a custom user interface for that component.
In
my custom UI, I want to show the custom properties, and allow users to
edit these properties similar to how the advanced editor shows the
properties.
I know in my UI I need to create a "Property Grid".
In
the properties of this grid, I can select the object I want to display
data for, however, the only objects that appear are the objects that I
have already created within this UI, and not the actual component
object with the custom properties.
How do I go about getting the properties for my transformation component listed in this property grid?
I am writing in C#.
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Dec 3, 2015
why the toolbox is always inactive? I am not talking about the SSIS Toolbox but just the toolbox.
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Feb 21, 2008
I may have misunderstood how Lookupu works because it's not doing what I want.
From the OLTP datasource I have a long list of revenue items (from a SQL server database). I want to assign these to specific accounts as they are transferred into our accounting system. I have another table with a list of words to search for and which account they belong to.
For example if the OLTP source might be
Description - Amount
"Sales of cars"- "$20,000"
"Motorcycle sales" - "$15,000"
"Bike rentals" - "$2,000"
The account lookup table is like
Wordsearch - Account
"sale" - "ACCT_SAL"
"rental" - "ACCT_RENT"
So by looking up whether "wordsearch" is found in "desription" I should get an output of
ACCT_SAL - $20,000
ACCT_SAL - $15,000
ACCT_RENT - $2,000
Back in DTS I did this with an array and "If Instr" using VBScript in the Data Transformation Task. I'm sure there must be something in SSIS to do this - it should be something like a Fuzzy Lookup ?, but I'm drifting toward Script Component. Anyone got any ideas for SSIS
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Jan 22, 2008
Hello,
How would you do a log in a massive rows loading, I'm having problems because every row error(because of casting, format, lookup) in a transformation task is redirected to a text file as a log, this is ok when only exist one error by row, but in the case when I have two errors in the same row detected by diferents transformation tasks only the first one is reported to the text file, I have to wait to the second information load, after I correct the first error, to find the second one, I need to validate as many errors exists by row in the same load...
which component or which strategy can I use in a SSIS Packge to achieve this?
thanks
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May 8, 2008
Hi guys,
I need to use a SQL statement to lookup a value from a SQL server database table that relates to a column in my dataflow.
Imagine a SQL database table called 'cars' with values of
Year | Description
2005 Ferrari 355
2005 Ferrari 355 Spider
2006 Ferrari 355 F1
In my data flow I have Year and Model eg.
Year | Model
2005 355
2006 355
In my SQL statement I want to select from the 'cars' table where the years match exactly but the 'description' is like the 'Model'. eg. %355%
So essentially, how do I construct the 'like' clause in the select statement to reference the 'Model' column please?
thanks for your help,
Chris
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Jun 9, 2006
Hi there,
This seems a bug to me. Or does anyone has a logical explanation that escapes me?
When in SSIS Designer Version 9.00.1399.00 I add output columns (numeric 4,0 ) to a scriptcomponent and fill them with valid numeric data in thescript I get a database error 'invalid number' when I use these columns in an OLE db Command-transformation . This errormessage disappears when I replaces those columns by a dataconversion to the datatype they originally have.
Derived Column Name Derived Column Expression
STATUS_DEF Replace 'STATUS_DEF' (DT_NUMERIC,4,0)STATUS_DEF
Maybethis info is usefull for somebody else who can't figure out wathever he's doing wrong.
Paul Baudouin
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Aug 14, 2007
This is trivial I'm sure but I'll be dogged if I can find someone who mentions how to do it. I am attempting to develop a Data Flow Transformation that appends a new column (a string value) into the current stream.
I have found plenty of references on how to replace an existing column but I'd really like to just add my new column in there. It doesn't need to be configurable, it can be a static column name. I'll take a solution that allows the column name to be set at design time, don't get me wrong but the magic I'm looking for is how to implement a new column in a stream.
Yes, I am well aware of the derived column task but I will be replacing a few hundred instances and I'd much rather just drag an item onto the designer than to drag a derived column, double click it, type in the column name, set the expression and then set the datatype, etc.
Anyone spare a moment to enlighten me?
Pardon the lack of formatting, this BB doesn't play with Opera (I know, I'm a heretic)
using System;
using System.Collections;
using System.Runtime.InteropServices;
using Microsoft.SqlServer.Dts.Pipeline;
using Microsoft.SqlServer.Dts.Pipeline.Wrapper;
using Microsoft.SqlServer.Dts.Runtime.Wrapper;
using Microsoft.SqlServer.Dts.Runtime;
namespace Microsoft.Samples.SqlServer.Dts
{
[
DtsPipelineComponent
(
DisplayName = "Nii",
Description = "This is the component that says Nii.",
ComponentType = ComponentType.Transform
)
]
public class Nii : PipelineComponent
{
public override void ProcessInput(int inputID, PipelineBuffer buffer)
{
if (!buffer.EndOfRowset)
{
while (buffer.NextRow())
{
try
{
// do something here to
}
catch (Exception e)
{
ComponentMetaData.FireInformation(0, ComponentMetaData.Name, "There was an error on row " + buffer.CurrentRow.ToString() + ". The error is: " + e.Message + " : " + e.Source + " : " + e.StackTrace, "", 0, ref fireEventAgain);
}
}
}
}
}
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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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Feb 13, 2007
I have a custom component that takes in unicode stream and converts it to ascii text. However I would like to make my default string length and code page editable in the standard GUI editor. Right now I can set the default to 1000 characters, but when I try to change it, it says "Property value is not valid"
Any ideas?
Thanks!
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Mar 4, 2006
I'm building packages programmatically and all is well. I have a new custom transform that I developed. It also works fine. Now I'm trying to add my new component to my packages when I programmatically build them, and I'm unable to do that.
Has anyone added their own custom components to a programmatically built package successfully?
I get a COM error on the line that calls ProvideComponentProperties. I've attempted various modifications including not overriding ProvideComponentProperties or just having it do nothing. I always get the same result. What I don't understand is that the custom transform works and handles ProvideComponentProperties fine when it is added to a package in BIDS.
Thanks.
'Add new dataflow task
combitronics = dataFlow.ComponentMetaDataCollection.New()
'Set assembly to my component
combitronics.ComponentClassID = "Ewrap.SSIS.Combitronics"
'Get instance of component
Dim instance As CManagedComponentWrapper = combitronics.Instantiate()
'Initialize component ***Error Occurs Here***
instance.ProvideComponentProperties()
...
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Feb 4, 2008
Hi,
I've created a stand alone custom dataflow component in VB and I need to set up the connection to the Input and Output components and instantiate it. The only way I've seen this done is to create an entire package and Task then use the TaskHost wrapper object to instantiate the Mainpipe (IDTSPipline90 interface) so that you can create the IDTSPath90 interface and setup the connection to the input and output components...
After all that, all that I would like to know is whether it is possible to instantiate the mainpipe interface without creating a package programmatically? I've seen something Darren Green put in an answer to a thread, about accessing the Mainpipe interface in the UI, to the effect that you can access it through IServiceProvider using the interface IDTSPipelineEnvironmentService - I think that's it... But I'd like to know if there is a more straightforward route to instantiating and accessing the Task or data flow directly?
Thanks in advance,
Will.
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Mar 13, 2007
Hi,
I have implemented a custom source component that can be used as the data source in the Data Flow task.
I have also created a custom UI for this component by using the IDtsComponentUI .
But my component does not have the capability of setting the custom properties via the DTS Variables using the Expression Builder.
I have looked around for samples on how to do this, but I can only find samples of how to do this for custom Control Tasks, i.e. IDtsTaskUI.
My question is, How can implement the Expression Builder in my custom Source component + custom Source UI. Or do you know of any samples which I can look at.
Thank you,
Jameel.
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May 27, 2008
I've been trying to figure this out on my own for pretty much all of today, and part of last week. I've downloaded samples, searched this forum, blogs, etc. So I figured I would post, since it's the end of the day, and I'm not much further along.
I'm working on a custom transformation component, whose main function is to use SQL encryption/decryption to encrypt/decrypt data from the input columns, into the output columns. The component needs two strings, a key name and a certificate name, as well as the connection manager it should use to connect to SQL which will do the encryption/decryption.
Here's where I'm stuck:
1) How can I provide the key/certificate names via properties? What I'm expecting/looking for is a way to add these two properties at the component-level, which would show up under the "Custom Properties" section of the properties pane (currently, this only has one property, "UserComponentTypeName"). These key/certificate values will be used for all input columns.
2) How do I access the connection managers from within the component? What is the best way to go about using a connection manager from within my component to connect to SQL and perform the encryption/decryption? In a custom task, this was fairly simple, but it seems that same concept won't work on a transformation component.
3) Is there a better way to go about accomplishing this (column encryption via SQL from within SSIS)? Am I going about this all wrong?
As I said, I've searched for direction, but there seems to be next to nothing in the regards of a good reference for creating custom transformation components. I've looked at two MS samples, but can't seem to make any sense out of them.
Thanks in advance.
Jerad
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Aug 14, 2007
Hi all,
Is there any tutorial to learn how custom transformation component works? maybe a blog, pdf or something...
Specifically, i need to learn how to generate an output column composed from 3 input columns. The problem is i dont know how to set the column value... anyone have some sample code?
Thanks!
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Sep 18, 2006
Hi,
I'm creating a custom data flow transformation in c#.
I would like to use expressions within this component in the same way as in the derived column component: specifying the expression as a custom property of an output column, then evaluating this expression for each row of the buffer and using this evaluated expression to populate my output column values.
So I've added an custom expression on my output column, and set its expression type to CPET_NOTIFY
IDTSCustomProperty90 exp = col.CustomPropertyCollection.New();
exp.Name = "Expression";
exp.ExpressionType = DTSCustomPropertyExpressionType.CPET_NOTIFY;
But in the ProcessInput method I don't manage to get the evaluated expressions, when I use exp.Value I get my expression definition and not its evaluation.
Is there a way to get these evaluated expressions ?
Thanks,
Stéphane
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Apr 10, 2006
Microsoft published a "Creating a custom transformation component Walkthrough" published on
http://www.microsoft.com/downloads/details.aspx?FamilyID=1c2a7dd2-3ec3-4641-9407-a5a337bea7d3&DisplayLang=en
Does anyone know where to get the Hands-On Lab Files mentioned?
Thanks
Alex
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Apr 1, 2014
So I have two steps in my job that check conditions and call RAISERROR to gracefully complete the job if those conditions are met (meaning I only want the final step to run in a specific situation). Works great, except for some reason my messages are not making it into the log. It is appending the SQLSTATE, and a default error instead of anything that I'm putting into RAISERROR.
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May 16, 2008
Hi,
I've created my own custom data flow transformation task (using C#) that
will parse a fullname and output the various name parts. In the
ProvideComponentProperties method, I create 5 output columns (prefix, first, middle,
last, and suffix). In the ProcessInput method, I parse the input and add the
name parts to the buffer. The bad thing is that I€™m making an assumption on
the position of the Full Name input column within the buffer.
I would like the €œuser€? to be able to map their "full name" input column to a known Full Name column so I don€™t have to make any assumptions. This is the first
SSIS task I€™ve tried to create and I haven€™t been able to find very many
examples online.
Any help is greatly appreciated!
Thank you,
Marshall
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May 12, 2006
I created a custom transform that has a custom interface and is a wizard that uses a web service. It creates custom properties and output columns on the fly. I set the dialog result to Ok and close at the end of the steps. The transform then has the custom fields and output columns I created in the wizard. I've verified this by right clicking on the transform and going to the advanced editor. If I then immediately run the package, the custom fields don't exist in the CustomPropertiesCollection. If I close the package and reopen it, the properties now are gone. If I then go through the wizard again, thus recreating the properties, they stay and don't disappear. The quickest way to get a working transform is to add it to my data flow then save, close and reopen the package and then go through the wizard. Just saving after I add the transform does not help.
Does anyone know what might be causing this very strange problem?
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Aug 14, 2007
I would like my transformation to automatically create an output column for each input column. Any tips? I can't seem to determine which event to listen to or method to override.
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Aug 30, 2006
I've built a simple custom data flow transformation component following the Hands On Lab (http://www.microsoft.com/downloads/details.aspx?familyid=1C2A7DD2-3EC3-4641-9407-A5A337BEA7D3&displaylang=en) and the Books Online (ms-help://MS.MSDNQTR.v80.en/MS.MSDN.v80/MS.SQL.v2005.en/dtsref9/html/adc70cc5-f79c-4bb6-8387-f0f2cdfaad11.htm and ms-help://MS.MSDNQTR.v80.en/MS.MSDN.v80/MS.SQL.v2005.en/dtsref9/html/b694d21f-9919-402d-9192-666c6449b0b7.htm).
All it is supposed to do is create an output column and set its value to the result of calling a web service method (the transformation is synchronous). Everything seems fine, but when I run the data flow task that contains it, it doesn't generate any output. The Visual Studio debugger displays it as yellow, with 1,385 rows going into it, but the data viewer attached to its output is empty. The output metadata looks just like I expect: all of my input columns plus the new column, correctly typed. No validation or run-time warnings or errors are reported.
I'll include the entire C# file below, which only overrrides the ProvideComponentProperties, Validate, PreExecute, ProcessInput, and PostExecute methods of the parent PipelineComponent class.
Since this is effectively a specialization of the DerivedColumn transformation, could I inherit from the class that implements the DC component instead of PipelineComponent? How do I even find out what that class is?
Thanks! Here's the code:
using System;
// using System.Collections.Generic;
// using System.Text;
using Microsoft.SqlServer.Dts.Pipeline;
using Microsoft.SqlServer.Dts.Pipeline.Wrapper;
using Microsoft.SqlServer.Dts.Runtime.Wrapper;
namespace CustomComponents
{
[DtsPipelineComponent(DisplayName = "GID", ComponentType = ComponentType.Transform)]
public class GidComponent : PipelineComponent
{
///
/// Column indexes for faster processing.
///
private int[] inputColumnBufferIndex;
private int outputColumnBufferIndex;
///
/// The GID web service.
///
private GID.WS_PDF.PDFProcessService gidService = null;
///
/// Called to initialize/reset the component.
///
public override void ProvideComponentProperties()
{
base.ProvideComponentProperties();
// Remove any existing metadata:
base.RemoveAllInputsOutputsAndCustomProperties();
// Create the input and the output:
IDTSInput90 input = this.ComponentMetaData.InputCollection.New();
input.Name = "Input";
IDTSOutput90 output = this.ComponentMetaData.OutputCollection.New();
output.Name = "Output";
// The output is synchronous with the input:
output.SynchronousInputID = input.ID;
// Create the GID output column (16-character Unicode string):
IDTSOutputColumn90 outputColumn = output.OutputColumnCollection.New();
outputColumn.Name = "GID";
outputColumn.SetDataTypeProperties(Microsoft.SqlServer.Dts.Runtime.Wrapper.DataType.DT_WSTR, 16, 0, 0, 0);
}
///
/// Only 1 input and 1 output with 1 column is supported.
///
///
public override DTSValidationStatus Validate()
{
bool cancel = false;
DTSValidationStatus status = base.Validate();
if (status == DTSValidationStatus.VS_ISVALID)
{
// The input and output are created above and should be exactly as specified
// (unless someone manually edited the persisted XML):
if (ComponentMetaData.InputCollection.Count != 1)
{
this.ComponentMetaData.FireError(0, ComponentMetaData.Name,
"Invalid metadata: component accepts 1 Input.",
string.Empty, 0, out cancel);
status = DTSValidationStatus.VS_ISCORRUPT;
}
else if (ComponentMetaData.OutputCollection.Count != 1)
{
this.ComponentMetaData.FireError(0, ComponentMetaData.Name,
"Invalid metadata: component provides 1 Output.",
string.Empty, 0, out cancel);
status = DTSValidationStatus.VS_ISCORRUPT;
}
else if (ComponentMetaData.OutputCollection[0].OutputColumnCollection.Count != 1)
{
this.ComponentMetaData.FireError(0, ComponentMetaData.Name,
"Invalid metadata: component Output must be 1 column.",
string.Empty, 0, out cancel);
status = DTSValidationStatus.VS_ISCORRUPT;
}
// And the output column should be a Unicode string:
else if ((ComponentMetaData.OutputCollection[0].OutputColumnCollection[0].DataType != DataType.DT_WSTR) ||
(ComponentMetaData.OutputCollection[0].OutputColumnCollection[0].Length != 16))
{
ComponentMetaData.FireError(0, ComponentMetaData.Name,
"Invalid metadata: component Output column data type must be (DT_WSTR, 16).",
string.Empty, 0, out cancel);
status = DTSValidationStatus.VS_ISBROKEN;
}
}
return status;
}
///
/// Called before executing, to cache the buffer column indexes.
///
public override void PreExecute()
{
base.PreExecute();
// Get the index of each input column in the buffer:
IDTSInput90 input = ComponentMetaData.InputCollection[0];
inputColumnBufferIndex = new int[input.InputColumnCollection.Count];
for (int col = 0; col < input.InputColumnCollection.Count; col++)
{
inputColumnBufferIndex[col] = BufferManager.FindColumnByLineageID(input.Buffer, input.InputColumnCollection[col].LineageID);
}
// Get the index of the output column in the buffer:
IDTSOutput90 output = ComponentMetaData.OutputCollection[0];
outputColumnBufferIndex = BufferManager.FindColumnByLineageID(input.Buffer, output.OutputColumnCollection[0].LineageID);
// Get the GID web service:
gidService = new GID.WS_PDF.PDFProcessService();
}
///
/// Called to process the buffer:
/// Get a new GID and save it in the output column.
///
///
///
public override void ProcessInput(int inputID, PipelineBuffer buffer)
{
if (! buffer.EndOfRowset)
{
try
{
while (buffer.NextRow())
{
// Set the output column value to a new GID:
buffer.SetString(outputColumnBufferIndex, gidService.getGID());
}
}
catch (System.Exception ex)
{
bool cancel = false;
ComponentMetaData.FireError(0, ComponentMetaData.Name, ex.Message, string.Empty, 0, out cancel);
throw new Exception("Could not process input buffer.");
}
}
}
///
/// Called after executing, to clean up.
///
public override void PostExecute()
{
base.PostExecute();
// Resign from the GID service:
gidService = null;
}
}
}
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Apr 17, 2007
Dear Friends,
I need to execute a SQL query, inside a dataflow (not in controlFlow) and need the records returned to continue the dataflow... In my case I cant use lookup and OLE DB COmmand and nothing else...
I need to execute a query and need the records for dataflow... with OLE DB command I cant see the fields returned... :-(
How can I do it? Using a script? Can I use a Script Component? That receive 2 parameters for input and give me the fields returned from query as output?
Thanks!!
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Jun 5, 2006
Hi,
If you have two synchronous transformation components and the input of the second is connected to the output of the first, does the first transformation process (loop through) all rows in the buffer before outputting these rows to the second transformation? Or does the first transformation output each individual row to the second transormation as soon as it has finished processing it?
Thanks in advance,
Lawrie.
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Apr 22, 2015
tell me the difference between Audit transformation and rowcount transformation.
Because audit and rowcount transformation will provide the environment variables.
Only difference i am finding is rowcount returns the count of rows its updating .
Apart from these is there any other difference?
Tell me the scenario where i need to use the audit transformation.
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Feb 1, 2006
Hi,
I am in the process of developing a custom component. During that time I went through many versions of my custom component, including various DLL names and signatures, different code etc.
The problem is that now I have old versions of my custom components stuck in the default settings of the toolbox. When I reset the toolbox, even if I manually deleted the old items, it appears again.
I tried to delete all the DLLs I previously copied to the SQL Server directories, and also uninstalled all the DLLs from GAC.
The result was that the new components didn't appear, and I don't have the option to choose them in the "choose items" menu, but they still appear on the toolbox.
It is not something I can't live with, but it's really annoying seeing old and irrelevant versions right in your face...
Please help :-)
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Aug 6, 2006
Every time I try to edit a Control flow or Data flow task I am getting the following error. My toolbox options are all grayed out also.
TITLE: Microsoft Visual Studio
------------------------------
The service System.Windows.Forms.Design.IUIService could not be located.
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft%u00ae+Visual+Studio%u00ae+2005&ProdVer=8.0.50727.42&EvtSrc=Microsoft.DataTransformationServices.Design.SR&EvtID=UnableToLocateService&LinkId=20476
------------------------------
BUTTONS:
OK
------------------------------
Any help is appreciated
Gulden
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Sep 21, 2007
I just finish my first basic report using Reporting Services and now I have to design a very complicated report.
I would like to know the purpose of tow Report Items : Subreport and Matrix.
If somebody can explain me the purpose and if he/she can point me to an example, it would be great.
Thanks
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