We also added Data Access Layer and Business Logic Layer methods to work with the Categories table s existing Picture column, which holds the binary content s of an image file. We started by adding a BrochurePath column to the Categories table and updated the architecture accordingly. Over the past three tutorials we ve added quite a bit of functionality for working with binary data. In this tutorial we see how the GridView control also makes it possible to edit and delete binary data, whether that binary data is saved in the database or stored in the file system. ![]() In earlier tutorials we saw how the GridView control makes it simple to edit and delete text data.
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