When the Dataset View is current, select a dataset to view the procedure or program that reads from or writes to it, the step that executes the procedure or program, and the job that contains the step.
To view the flow of data into or out of a dataset, select the dataset in the Dataset View and a step in the Procedure/Program View, then click the button in the Data Set Flow pane. Click the button in the Data Set Flow pane to view the flow of data into the dataset, click the button to view the flow of data out of the dataset.