How Do I Programatically Fail My Custom Destination Component?
Nov 8, 2006
I am writing a custom dataflow destination that writes data to a named pipe server running in an external process. At runtime, in PreExecute, I check to see if the pipe exists. If it does not exist I want to be able to fail the component and gracefully complete execution of my package.
Question is, how do I do this? If I make a call to ComponentMetaData.FireError() that will only create an OnError event and not actually stop the execution. So, how to I halt the execution of my component and return the error message?
Thanks,
~ Gary
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Oct 11, 2007
Hi All,
I am new to SSIS. I am working in adding SSIS components programmatically. I have added Data flow task, Lookup transformation, OLEDB Source and OLEDB Destination.
Now, i am facing problems in adding Custom Script tranformation component programatically. Please help me out.
Venkatesh.
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May 29, 2006
When I try to debug the break points will always say the source code is different from the current version, but the custom component in the GAC has the new version number. The other strange thing is the toolbox will not reset to the original version meaning it will not remove the custom components. The funny thing is after I compile the custom components and restart VS the custom component runs with the new code changes. I can see the new features I added, but the debugger and toolbox still seem to be broken.
I have tried the following
1) Reset the tool box.
2) uninstall all my custom dll from the GAC €œC:WINDOWSassembly€?
3) remove all my custom dll from €œC:Program FilesMicrosoft SQL Server90DTSPipelineComponents€?
4) restart VS 2005
5) reselect the custom components.
6) reboot my computer.
It seem like VS has another cache. For the tool box or something.
Does anybody have any suggestion?
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Nov 17, 2006
Here is the situation. I have created a package that takes 50 columns from a comma delimited flat file. I then validate and clean the data. Next I add two columns that were not in the original source file. These two columns need to be in the 5th and 9th column position when the file is then re-written to a text file. How do i get those two columns to write out in the desired order? Any ideas?
K. Lyles
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Feb 24, 2006
Hi there,
I am writing a Custom Destination component with a custom UI. The UI contains a combo box which contains the connection names of type €œFLATFILE€?. I also have provided a button which would create a new connection of type €œFLATFILE€? by making a call to CreateConnection method of IDtsConnectionService.
The combo box gets properly updated showing the connections of type €œFLATFILE€? but on clicking on the new Connection button the application hangs up.
Am I missing something or is there some other way to do it?
The function are the events handlers which are called by the UI.
void form_GetConnections(object sender, AvailableColumnsArgs args)
{
Debug.Assert(this.ServiceProvider != null, "Service Provider not valid.");
this.ClearErrors();
try
{
IDtsConnectionService connectionService = (IDtsConnectionService)this.ServiceProvider.GetService(typeof(IDtsConnectionService));
if (connectionService != null)
{
ArrayList temp_Connections =
connectionService.GetConnectionsOfType("FLATFILE");
args.AvailableColumns = new AvailableColumnElement[temp_Connections.Count];
for (int i = 0; i < temp_Connections.Count; i++)
{
ConnectionManager runtimeConnection = (ConnectionManager)temp_Connections;
args.AvailableColumns.AvailableColumn = new DataFlowElement(runtimeConnection.Name, runtimeConnection);
}
}
}
catch (Exception ex)
{
this.ReportErrors(ex);
}
}
void form_GetNewConnection(object sender, AvailableColumnsArgs args)
{
Debug.Assert(this.ServiceProvider != null, "Service Provider not valid.");
this.ClearErrors();
try
{
IDtsConnectionService connectionService = (IDtsConnectionService)this.ServiceProvider.GetService(typeof(IDtsConnectionService));
if (connectionService != null)
{
connectionService.CreateConnection("FLATFILE");
ArrayList temp_Connections =
connectionService.GetConnectionsOfType("FLATFILE");
args.AvailableColumns = new AvailableColumnElement[temp_Connections.Count];
for (int i = 0; i < temp_Connections.Count; i++)
{
ConnectionManager runtimeConnection = (ConnectionManager)temp_Connections;
args.AvailableColumns.AvailableColumn = new DataFlowElement(runtimeConnection.Name, runtimeConnection);
}
}
}
catch (Exception ex)
{
this.ReportErrors(ex);
}
}
Has anyone else run into this?
I am running
SQL 2005 9.0.1399 and VS 2005 8.0.50727.42 (RTM.50727.4200) on Windows Server 2003 Enterprise Edition SP1.
Any suggestions would be welcome.
The code sample is an extension to the RemoveDuplicates sample (Dec 2005) which comes along with the SQL Server.
TIA,
Robinson
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Feb 12, 2008
Hi,
All the examples I've seen for creating custom data destinations (scripts or components) show that in the ProcessInput method you need to iterate through each record and execute a commit for each row. Here's a sample from http://forums.microsoft.com/msdn/showpost.aspx?siteid=1&postid=70469
Public Overrides Sub MyAddressInput_ProcessInputRow(ByVal Row As MyAddressInputBuffer)
With sqlCmd
.Parameters("@addressid").Value = Row.AddressID
.Parameters("@city").Value = Row.City
.ExecuteNonQuery()
End With
End Sub
This works for me but is extremely slow when processing lots of rows. Has anyone come across a better/faster example for committing rows to a database when creating a custom data destination component? I was thinking about using the ADO.NET batch update. Any thoughts on this or other approaches?
Thanks,
Mike Fulkerson
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Mar 17, 2006
I wrote a custom destination component. Everything works fine, except there is a logging message that is displayed that I cannot get rid of or correct. Here is the end of the output of a package containing my component:
Information: 0x40043009 at Data Flow Task, DTS.Pipeline: Cleanup phase is beginning.
Information: 0x0 at Data Flow Task, MyDestination: Inserted 40315 rows into C: empfile.txt
Information: 0x4004300B at Data Flow Task, DTS.Pipeline: "component "MyDestination" (9)" wrote 0 rows.
SSIS package "Package.dtsx" finished: Success.
I inserted a custom information message that contains the correct number of rows written by the component. I would like to either get rid of the last message "... wrote 0 rows", or figure out what to set to put the correct number of rows into that message.
This message seems to happen in the Cleanup phase. It appears whether I override the Cleanup method of the Pipeline component and do nothing, or not. Any ideas?
public override void Cleanup()
{
ComponentMetaData.FireInformation(0, ComponentMetaData.Name,
"Inserted " + m_rowCount.ToString() + " rows into " + m_fileName,
"", 0, ref m_cancel);
base.Cleanup(); // or not
}
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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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Dec 5, 2006
Need to ask three questions regarding this component I am creating programatically:
1) How do you select "Modify the SQL statement" programatically.
2) How do you change the actual sql.
3) How do you add a parameter, also programatically.
I have manged to select "Enable memory restriction" by using
instance.SetComponentProperty("CacheType", 2);
but can't add a paramater and modify sql statement. Have used
instance.SetComponentProperty("SqlCommand", statement); and
instance.SetComponentProperty("SqlCommandParam", statement);
with no luck. Any ideas, have searched the web but found nothing.
Thanks.
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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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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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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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Jun 5, 2007
hi all,
i am working on a small "Biztalk" engine, by creating dynamic ssis packages that change according to the client source file definition.
in order to create a row-number to each row in my input file, i am tryng to add the Konesans's Row Number component to the dynamic package by using SSIS API, but i get a lot of errors. the component is not created as a"rowNumber" component, but as a General Managed Component, though i use the ComponentClassID as the classID in the RowNumber component.
has anybody try to do this ?
is there any way to get the row number other then this way?
any ideas?
thank you!!! for all your help until now!!
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Oct 23, 2007
Hi everyone,
I've used "ToLine" property but it seems is not related at all with that field.
Does anyone knows how to do such thing?
My goal is to load a table and by using For Each Loop task send emails...
It seems easy...
Thanks in advance,
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Nov 21, 2006
Wanted to enquire how this is done. Tried doing it in the setUsageType method I have overwritten but only allows description to be changed. Basically need to change "Name".
Best option would be to change it instantly when a user selects a column from the inputs in the custom component, ie. it changes the Output Alias to a desired value. (Input tab in advanced editor)
All this is being done in a custom component which I would like to be synchronous, can achieve a similar result asynchronously.
Thanks
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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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Oct 24, 2007
In my console application code which creates and executes SSIS package I have this code.
Code Block
provider.ConfigString = loggingConnection.Name;
package.LoggingOptions.SelectedLogProviders.Add(provider);
package.LoggingOptions.EventFilterKind = DTSEventFilterKind.Inclusion;
package.LoggingOptions.EventFilter = new string[] { "OnPipelineRowsSent","PackageEnd" };
package.LoggingMode = DTSLoggingMode.Enabled;
I use a custom log component to log the events. However the "PackageEnd" event does not seem to get fired at all.
Am I missing something in this?
Thanks
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Dec 19, 2007
Hi,
I have a Script Component. I need the script component to fail, i.e. TURN RED, and stop the data flow.
The problem is, the Script Component does detect the error, because the initiating Data Flow task does indeed turn red and fail, but the actual script component is NOT failing on the data flow page, as I need it to.
Here is the portion of the code that I am using to fire the error.
Me.ComponentMetaData.FireError(1, "Script Component", "my Error message!", "", 0, True)
So the question is, how do I get the Script Component to simply STOP, i.e. turn red after this error is fired? I believe I am missing something here.
Thanks
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May 4, 2007
I have created a package which forms data from flat file to sql database.I have a data flow where all my data is processed to destination.if the package fails by any chance i want an email notification with the cause of the error.how can i do this.please let me know..
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May 9, 2007
I have a SSIS package that has several Execute SQL Components. One of the first components reurns a Full Result Set of IDs based on a stored procedure call. The stored procedure can return multiple rows. I store the results to an ADO recordset (object variable) to be used later. I want the component to fail, and the package if the return of the stored procedure is zero records. What is the best way to do this? I had a raise error statement if @@rowcount was zero but this did not fail the component. Any other suggestions?
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Apr 18, 2007
I have created a data flow task. In that, in a 'data conversion', if a column fails validation then that row is redirected to a script component, which in turn writes the error to a variable.
But though the error is generated and script component receives the error, package doesnt fail.
Is there any way to set the package result to failure inside the script component? I tried set 'FailPackageOnFailure' to true but doesnt work.
Any help is greatly appreciated.
Thanks,
Don
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Feb 6, 2007
when loading the transformed data into OLE DB destination, there is no options to truncate destination table first. Have to insert a middle step to run script to truncate the destination table first.
I'm very confused. We even has the options of keeping or deleting the data in destination table in SQL2000 DTS package. Why we don't have this option in SQL2005??
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Sep 24, 2007
I am creating and running a package programmatically. I have the source component set up fine, and the destination component seems good, but when the package is run, it gets the error message: "Excel destination failed validation and returned validation status "VS_NEEDSNEWMETADATA" ". This would lead me to believe that I need a ReinitializeMetaData() call, but I already have that (see below). How do I fix this? Thanks for your help.
' Create and configure an OLE DB destination.
Dim conDest As ConnectionManager = package.Connections.Add("Excel")
conDest.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & _
Dts.Variables("User::gsExcelFile").Value.ToString & ";Extended Properties=""Excel 8.0;HDR=YES"""
conDest.Name = "Excel File"
conDest.Description = "Excel File"
Dim destination As IDTSComponentMetaData90 = dataFlowTask.ComponentMetaDataCollection.New
destination.ComponentClassID = "DTSAdapter.ExcelDestination"
' Create the design-time instance of the destination.
Dim destDesignTime As CManagedComponentWrapper = destination.Instantiate
' The ProvideComponentProperties method creates a default input.
destDesignTime.ProvideComponentProperties()
destination.RuntimeConnectionCollection(0).ConnectionManagerID = conDest.ID
destination.RuntimeConnectionCollection(0).ConnectionManager = DtsConvert.ToConnectionManager90(conDest)
destDesignTime.SetComponentProperty("AccessMode", 0)
destDesignTime.SetComponentProperty("OpenRowset", Dts.Variables("User::gsSheetName").Value.ToString)
destDesignTime.AcquireConnections(Nothing)
destDesignTime.ReinitializeMetaData()
destDesignTime.ReleaseConnections()
' Create the path from source to destination.
Dim path As IDTSPath90 = dataFlowTask.PathCollection.New
path.AttachPathAndPropagateNotifications(source.OutputCollection(0), _
destination.InputCollection(0))
' Get the destination's default input and virtual input.
Dim input As IDTSInput90 = destination.InputCollection(0)
Dim vInput As IDTSVirtualInput90 = input.GetVirtualInput
' Iterate through the virtual input column collection.
For Each vColumn As IDTSVirtualInputColumn90 In vInput.VirtualInputColumnCollection
' Call the SetUsageType method of the destination
' to add each available virtual input column as an input column.
destDesignTime.SetUsageType(input.ID, vInput, vColumn.LineageID, DTSUsageType.UT_READONLY)
Next
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Nov 4, 2015
I have an Excel file which contains some data. I want to load that into a SQL server Table. Here are my conditions :
1. If the table doesn't have any matching records from the Excel file, then my DFT should load the data from that Excel to the Dest Table.
2. If the table has even one or more matching records, then the DFT should not process at all, instead I should send an email to the business stating that there are some matching records and hence the package is not process...ed.
P.S. If i use Lookup, I have two matching and non-matching output. which will process the non matching records into the table and matching can be redirected to any flat/Excel file. But i don't want to do this. I just want to lookup the Sql Server table and excel.
It'll be good if there is an additional option in the Lookup "Fail component on matching records".
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Sep 21, 2007
Hello, I am trying to create a simple package programmatically. I am following the examples in the BOL, and from some advice here. I am getting stuck at creating an Excel Destination and setting its sheetname. Everything works fine, including setting the output Excel filename. I get a runtime exception when I try to set the sheetname via SetComponentProperty. Is there another way, or am I doing something wrong? Thanks for any info you may have.
' Create and configure an OLE DB destination.
Dim conDest As ConnectionManager = package.Connections.Add("Excel")
conDest.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & _
Dts.Variables("User::gsExcelFile").Value.ToString & ";Extended Properties=""Excel 8.0;HDR=YES"""
conDest.Name = "Excel File"
conDest.Description = "Excel File"
Dim destination As IDTSComponentMetaData90 = dataFlowTask.ComponentMetaDataCollection.New
destination.ComponentClassID = "DTSAdapter.ExcelDestination"
' Create the design-time instance of the destination.
Dim destDesignTime As CManagedComponentWrapper = destination.Instantiate
' The ProvideComponentProperties method creates a default input.
destDesignTime.ProvideComponentProperties()
destination.RuntimeConnectionCollection(0).ConnectionManager = DtsConvert.ToConnectionManager90(conDest)
destDesignTime.SetComponentProperty("AccessMode", 0)
'runtime Exception here
destDesignTime.SetComponentProperty("OpenRowSet", "functions")
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Apr 12, 2007
I want to do the following in a package:
Create a table at the beginning of a package (using a ExecuteSQLTask component) and then use the created table as a OLE DB destination component, later on the package.
Is this possible in SSIS?
The problem I run into is that I have to point the OLE DB destination component to a table and set up mappings, however as the table does not exist until the package is running, it does not seem to be possible.
I've looked at:
http://blogs.conchango.com/jamiethomson/archive/2006/11/19/SSIS_3A00_-Using-temporary-tables.aspx
Which is slightly similar to what I want, but the table I create would not be a temp tables, and I need to set up mappings and I don't see how this is possible.
Thanks
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Jan 31, 2006
Hi All,
I have built a custom flat file destination adapter but it appears that the code is not working. When I debug the process I notice that the ProcessInput section is called multiple times. The first time it looks like everything is working, then it call it again and there is no inpout from the DTSInput90.
Why would it do this?
Thanks
Mike
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Apr 24, 2008
I have an SSIS package that produces an Excel output file say File1
The Excel output file is created from a previous script task by copying a standard excel template to File1
after the copy, File1 has the disclaimer, legend etc... and a header row at row 10.
So data rows should only start at row 11.
I was googling and found that people who read Excel file using an Excel source component have been successful reading
from a range by the use of the OPENROWSET property. It is said to set this property to Sheet1$A5-B999
to start reading from row 5.
I tried to set the OPENROWSET property to be Sheet1$A11-B999 but am getting an error "Check that object exists"
(Sheet1 does exist) So I guess it is the range that has an improper syntax or something else is wrong.
Please advise. Thanks
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Dec 10, 2007
Is there a default destination component used when a new data flow is created? The reason I ask is simply curiosity. I have an xml file with 2 pieces of data: item A and item B. A should simply get copied out of the file. B should undergo a quick transform. I set up an XML source such that two columns are mapped correctly to the XML source data of A and B. I set up my data transform task as well. So, if I leave those two components on the .dtsx page with no other components, then will there be a default data flow destination already created? ...OR, do you always have to have a destination component?
Thanks for the input. I am just curious.
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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 €œdata 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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