本文整理汇总了VB.NET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:VB.NET ObjectQuery<T>.Include方法的具体用法?VB.NET ObjectQuery<T>.Include怎么用?VB.NET 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VB.NET代码示例。
示例1: AdventureWorksEntities
Using context As New AdventureWorksEntities()
' Define an object query with a path that returns
' orders and items for a specific contact.
Dim contact As 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.
For Each order As SalesOrderHeader 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:")
For Each item As SalesOrderDetail In order.SalesOrderDetails
Console.WriteLine(String.Format("Product: {0} Quantity: {1}", _
item.ProductID.ToString(), item.OrderQty.ToString()))
Next
Next
End Using
示例2: ObjectQuery
' 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.
Dim query As ObjectQuery(Of SalesOrderHeader) = context.SalesOrderHeaders.Include("SalesOrderDetails").Include("Address")