Primitive Commit

LanguageFeatures/Models/MyExtensionMethods.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+
+namespace LanguageFeatures.Models
+{
+	public static class MyExtensionMethods
+	{
+		public static decimal TotalPrices(this IEnumerable<Product> productEnum)
+		{
+			decimal total = 0;
+			foreach (Product prod in productEnum)
+			{
+				total += prod.Price;
+			}
+			return total;
+		}
+	}
+}

LanguageFeatures/Models/Product.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+
+namespace LanguageFeatures.Models
+{
+	public class Product
+	{
+		private string name;
+		public int ProductID { get; set; }
+		public string Name {
+			get {
+				return ProductID + name;
+			}
+			set {
+				name = value;
+			}
+		}
+		public string Description { get; set; }
+		public decimal Price { get; set; }
+		public string Category { get; set; }
+
+
+
+	}
+}

LanguageFeatures/Models/ShoppingCart.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+
+namespace LanguageFeatures.Models
+{
+	public class ShoppingCart: IEnumerable<Product>
+	{
+		public List<Product> Products { get; set; }
+
+		public IEnumerator<Product> GetEnumerator()
+		{
+			return Products.GetEnumerator();
+		}
+
+		IEnumerator IEnumerable.GetEnumerator()
+		{
+			return GetEnumerator();
+		}
+	}
+}