How to use Event Handler in SSIS?

To use an Event Handler in SSIS, follow these steps:

Open SQL Server Data Tools (SSDT) and create a new Integration Services project.
Open the Control Flow of the package and select the event to which you want to attach an event handler, such as OnError, OnPreExecute, or OnPostExecute.
Right-click on the control flow element that raises the event and select "Add Event Handler" from the context menu.
In the Add Event Handler dialog box, select the event to handle, such as OnError.
Click OK to create a new Event Handler container for the selected event.
Drag and drop tasks or other containers into the Event Handler container.
Connect the tasks or containers within the Event Handler container by drawing precedence constraints between them.
Configure the properties of each task or container as needed.
Save and execute the SSIS package.

The Event Handler allows you to respond to events that occur during the execution of an SSIS package, such as errors, warnings, or informational messages. You can use the Event Handler to perform custom actions based on the specific event that occurs, such as sending an email notification or logging information to a database.

For example, if you want to handle errors that occur during the execution of a package, you can attach an OnError event handler to the control flow element that raises the error. You can then add tasks to the event handler container that perform custom error handling, such as logging the error to a database table or sending an email notification to the support team.

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