ObjectQuery.ToTraceString ObjectQuery.ToTraceString ObjectQuery.ToTraceString ObjectQuery.ToTraceString Method

定義

傳回要針對資料來源執行的命令。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

傳回

string,代表查詢針對資料來源執行的命令。A string that represents the commands that the query executes against the data source.

範例

本主題中的範例根據AdventureWorks Sales ModelThe 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

適用於

另請參閱