To Make Filling: Cook together the dates, drained cooked apricots, white sugar and apricot juice. Cook for about three minutes, or until it resembles jam.
Mix together melted shortening (part butter), brown sugar, all-purpose flour, baking soda, quick cooking oats, and vanilla.
Press half of the crust mixture on bottom of well greased 9 x 12 x 2 inch pan. Cover with filling. Top with rest of crumbs. Press down gently.
Bake for 30 minutes at 350 degrees F (175 degrees C).