1Heat oven to 350^. Butter or spray a jelly roll pan;set aside.
In a 2 quart saucepan, over medium heat, cook together cranberries and dates with the water, stirring constantly, until berries have popped. Cool
In a mixing bowl cream butter; gradually add sugar and continue beating until blended. Blend in vanilla. Sift together flour, soda and salt; gradually add to creamed mixture. Stir in oats. Pat slightly more than half of crumb mixture on the prepared pan. Spread filling evenly over cookie crust. Sprinkle remaining crumb mixture on top. Bake in preheated oven for 25-30 minutes. Cool in pan on wire rack.
In a mixing bowl beat together ingredients until smooth. When cookie bars are cool, drizzle with the glaze. Cut into bars , size of your choice.