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VB.NET ObjectQuery<T>.Include方法代码示例

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
开发者ID:VB.NET开发者,项目名称:System.Data.Objects,代码行数:17,代码来源:ObjectQuery.Include

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")
开发者ID:VB.NET开发者,项目名称:System.Data.Objects,代码行数:4,代码来源:ObjectQuery.Include


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