ObjectQuery.ToTraceString 方法

定义

返回对数据源执行的命令。Returns the commands to execute against the data source.

public:
 System::String ^ ToTraceString();
[System.ComponentModel.Browsable(false)]
public string ToTraceString ();
member this.ToTraceString : unit -> string
Public Function ToTraceString () As String

返回

一个 string,表示查询对数据源执行的命令。A string that represents the commands that the query executes against the data source.

属性

示例

本主题中的示例基于AdventureWorks 销售模型The example in this topic is based on the AdventureWorks Sales Model.

int productID = 900;
using (AdventureWorksEntities context =
    new AdventureWorksEntities())
{
    // Define the object query for the specific product.
    ObjectQuery<Product> productQuery =
        context.Products.Where("it.ProductID = @productID");
    productQuery.Parameters.Add(new ObjectParameter("productID", productID));

    // Write the store commands for the query.
    Console.WriteLine(productQuery.ToTraceString());
}
Dim productID = 900
Using context As New AdventureWorksEntities()
    ' Define the object query for the specific product. 
    Dim productQuery As ObjectQuery(Of Product) = context.Products.Where("it.ProductID = @productID")
    productQuery.Parameters.Add(New ObjectParameter("productID", productID))

    ' Write the store commands for the query. 
    Console.WriteLine(productQuery.ToTraceString())
End Using

适用于

另请参阅