Use the Preview page of the Multiple Flat Files ConnectionManager Editor dialog box to view the contents of the first selected source file divided into columns as you have defined them.
To learn more about the Multiple Flat Files connection manager, see Multiple Flat Files Connection Manager.
Connection manager name
Provide a unique name for the Multiple Flat Files connection in the workflow. The name provided will be displayed within the Connection Managers area of SSIS Designer.
Describe the connection. As a best practice, describe the connection in terms of its purpose, to make packages self-documenting and easier to maintain.
Data rows to skip
Specify how many rows to skip at the beginning of the flat file.
View sample data in the first selected flat file, divided into columns and rows by using the options selected.
Integration Services Error and Message Reference
Multiple Flat Files Connection Manager Editor (General Page)
Multiple Flat Files Connection Manager Editor (Columns Page)
Multiple Flat Files Connection Manager Editor (Advanced Page)