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VB.NET ObjectQuery<T>.Include方法代碼示例

本文整理匯總了VB.NET中System.Data.Objects.ObjectQuery<T>.Include方法的典型用法代碼示例。如果您正苦於以下問題:VB.NET ObjectQuery<T>.Include方法的具體用法?VB.NET ObjectQuery<T>.Include怎麽用?VB.NET ObjectQuery<T>.Include使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在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個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的VB.NET代碼示例。

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
開發者ID:VB.NET開發者,項目名稱:System.Data.Objects,代碼行數:17,代碼來源: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")
開發者ID:VB.NET開發者,項目名稱:System.Data.Objects,代碼行數:4,代碼來源:ObjectQuery.Include


注:本文中的System.Data.Objects.ObjectQuery<T>.Include方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。