VB.NET ObjectQuery<T>类代码示例

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本文整理汇总了VB.NET中System.Data.Objects.ObjectQuery<T>类的典型用法代码示例。如果您正苦于以下问题：VB.NET ObjectQuery<T>类的具体用法？VB.NET ObjectQuery<T>怎么用？VB.NET ObjectQuery<T>使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了ObjectQuery<T>类的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，您的评价将有助于我们的系统推荐出更棒的VB.NET代码示例。

示例1: AdventureWorksEntities

Using context As New AdventureWorksEntities()
    ' Call the constructor with a query for products and the ObjectContext. 
    Dim productQuery1 As New ObjectQuery(Of Product)("Products", context)

    For Each result As Product In productQuery1
        Console.WriteLine("Product Name: {0}", result.Name)
    Next

    Dim queryString As String = "SELECT VALUE product FROM AdventureWorksEntities.Products AS product"

    ' Call the constructor with the specified query and the ObjectContext. 
    Dim productQuery2 As New ObjectQuery(Of Product)(queryString, context)

    For Each result As Product In productQuery2
        Console.WriteLine("Product Name: {0}", result.Name)
    Next

    ' Call the constructor with the specified query, the ObjectContext, 
    ' and the NoTracking merge option. 
    Dim productQuery3 As New ObjectQuery(Of Product)(queryString, context, MergeOption.NoTracking)

    For Each result As Product In productQuery3
        Console.WriteLine("Product Name: {0}", result.Name)
    Next
End Using

开发者ID:VB.NET开发者，项目名称:System.Data.Objects，代码行数:25，代码来源:ObjectQuery

注：本文中的System.Data.Objects.ObjectQuery<T>类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。