Data View.
To open data of you table or view you have to open Data View window. To do this select the desired table or view in the database explorer and press Ctrl+D (or use context menu).
The table dataset can be viewed as grid and form. The form view allows you to see and edit contents of the BLOB fields. By default IBAdmin shows the table data ordered by Primary Key fields. You may change the sort order or cancel sorting. Also IBAdmin can calculate the number of records in the dataset.