本文整理汇总了C#中System.Data.Objects.ObjectQuery<T>.Include方法的典型用法代码示例。如果您正苦于以下问题：C# ObjectQuery<T>.Include方法的具体用法？C# ObjectQuery<T>.Include怎么用？C# ObjectQuery<T>.Include使用的例子？那么, 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System.Data.Objects.ObjectQuery<T>的用法示例。
在下文中一共展示了ObjectQuery<T>.Include方法的2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: using
//引入命名空间
using (AdventureWorksEntities context =
new AdventureWorksEntities())
{
// Define an object query with a path that returns
// orders and items for a specific contact.
Contact contact =
context.Contacts.Include("SalesOrderHeaders.SalesOrderDetails")
.FirstOrDefault();
// Execute the query and display information for each item
// in the orders that belong to the first contact.
foreach (SalesOrderHeader order in contact
.SalesOrderHeaders)
{
Console.WriteLine(String.Format("PO Number: {0}",
order.PurchaseOrderNumber));
Console.WriteLine(String.Format("Order Date: {0}",
order.OrderDate.ToString()));
Console.WriteLine("Order items:");
foreach (SalesOrderDetail item in order.SalesOrderDetails)
{
Console.WriteLine(String.Format("Product: {0} "
+ "Quantity: {1}", item.ProductID.ToString(),
item.OrderQty.ToString()));
}
}
}示例2:
// Create a SalesOrderHeader query with two query paths,
// one that returns order items and a second that returns the
// billing and shipping addresses for each order.
ObjectQuery<SalesOrderHeader> query =
context.SalesOrderHeaders.Include("SalesOrderDetails").Include("Address");