本文整理汇总了C#中ShoppingCart.RetrieveFromDB方法的典型用法代码示例。如果您正苦于以下问题：C# ShoppingCart.RetrieveFromDB方法的具体用法？C# ShoppingCart.RetrieveFromDB怎么用？C# ShoppingCart.RetrieveFromDB使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ShoppingCart的用法示例。
在下文中一共展示了ShoppingCart.RetrieveFromDB方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GetShoppingCart
// The static constructor is called as soon as the class is loaded into memory.
public static ShoppingCart GetShoppingCart(string UserName)
{
// If the cart is not in the session, create one and put it there.
if (HttpContext.Current.Session["MyShoppingCart"] == null)
{
ShoppingCart cart = new ShoppingCart();
cart.Items = new List<CartItem>();
cart.RetrieveFromDB (connectionString, UserName);
/******
* TODO: Load any previously saved items into the shopping cart from the database.
*/
// Save the shopping cart in the Session variable "MyShoppingCart".
HttpContext.Current.Session["MyShoppingCart"] = cart;
}
ShoppingCart temp = (ShoppingCart)HttpContext.Current.Session["MyShoppingCart"];
if (temp.Items != null) temp.Items.Clear();
temp.RetrieveFromDB (connectionString, UserName);
HttpContext.Current.Session["MyShoppingCart"] = temp;
return (ShoppingCart)HttpContext.Current.Session["MyShoppingCart"];
}