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SSIS INTEGRATION SERVICES EXERCISES
Exercise: Use an OnError event-handler to show errors in script y
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Create a package to import data from the Excel workbook in the above folder (you may be able to amend a package you've created earlier):
A data conversion task to attempt to convert the item id into an integer.
This package will fail when you run it, because the item numbers shown below can't be converted to integers:
The yellow cells can't be converted to integers.
Attach an event-handler to the OnError event of the data conversion task so that it displays the description of the error.
You'll need to pass the ErrorDescription system variable into the script task for the event-handler.
Rerun your package: you should now see an error message on screen looking something like this:
Here we've added a title and some introductory text to the error message.
If you're feeling energetic, you could always try using a ReadWrite integer variable to track the number of errors, to ensure you only display a dialog box like the one above for the first error.
When you've got this working, close this package down!