ObjectQuery.ToTraceString 方法

定義

命名空間:

System.Data.Objects

組件:

System.Data.Entity.dll

傳回要針對資料來源執行的命令。

public:
 System::String ^ ToTraceString();

[System.ComponentModel.Browsable(false)]
public string ToTraceString ();

[<System.ComponentModel.Browsable(false)>]
member this.ToTraceString : unit -> string

Public Function ToTraceString () As String

傳回

String

string，代表查詢針對資料來源執行的命令。

屬性

BrowsableAttribute

範例

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());
}

另請參閱

• (Entity Framework) 查詢數據作為物件和成形結果