Product Model class

ProductModel.cs

[DataContract]
public class ProductModel
{
    private int productID;
    [DataMember]
    public int ProductID
    {
        get { return productID; }
        set { productID = value; }
    }

    private string productName;
    [DataMember]
    public string ProductName
    {
        get { return productName; }
        set { productName = value; }
    }

    private decimal price;
    [DataMember]
    public decimal Price
    {
        get { return price; }
        set { price = value; }
    }
}