public List <ProductGroup> ProductGroupFill() { ProductGroup objectProductGroup1 = new ProductGroup() { ID = 1, Name = "Dairy" }; ProductGroup objectProductGroup2 = new ProductGroup() { ID = 2, Name = "Fruits" }; ProductGroup objectProductGroup3 = new ProductGroup() { ID = 3, Name = "Instant-Food" }; ProductGroup objectProductGroup4 = new ProductGroup() { ID = 4, Name = "Sweet" }; List <ProductGroup> productGroup = new List <ProductGroup>(4); productGroup.Add(objectProductGroup1); productGroup.Add(objectProductGroup2); productGroup.Add(objectProductGroup3); productGroup.Add(objectProductGroup4); return(productGroup); }