displaying image in gridview using N-Tier Architecture

See more:

ASP.NET4

I am using N-Tier Architecture. I want to display images in gridview from database. here i have one doubt. i have separate library called DAL. In DAL i wrote all the retrieving, updating, deleting data from database. here in Presentation Layer I want to display images in gridview here i am creating generic handler ok in generic handler i suppose to write again retriveing data from database and i must use context.respose lastly. here can i access in generic handler like retrieving the data like images using DAL ie., accessing from DAL.