本文整理汇总了VB.NET中System.Data.Objects.DataClasses.EntityCollection<TEntity>.Load方法的典型用法代码示例。如果您正苦于以下问题：VB.NET EntityCollection<TEntity>.Load方法的具体用法？VB.NET EntityCollection<TEntity>.Load怎么用？VB.NET EntityCollection<TEntity>.Load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System.Data.Objects.DataClasses.EntityCollection<TEntity>的用法示例。
在下文中一共展示了EntityCollection<TEntity>.Load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VB.NET代码示例。
示例1: AdventureWorksEntities
' Specify the customer ID.
Dim contactID As Integer = 4332
Using context As New AdventureWorksEntities()
context.ContextOptions.LazyLoadingEnabled = False
' Get a specified customer by contact ID.
Dim contact = (From c In context.Contacts
Where c.ContactID = contactID
Select c).First()
' Load the orders for the customer explicitly.
If Not contact.SalesOrderHeaders.IsLoaded Then
contact.SalesOrderHeaders.Load()
End If
For Each order As SalesOrderHeader In contact.SalesOrderHeaders
' Load the items for the order if not already loaded.
If Not order.SalesOrderDetails.IsLoaded Then
order.SalesOrderDetails.Load()
End If
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