ObjectQuery.GetResultType Method


Returns information about the result type of the query.

 System::Data::Metadata::Edm::TypeUsage ^ GetResultType();
public System.Data.Metadata.Edm.TypeUsage GetResultType ();
member this.GetResultType : unit -> System.Data.Metadata.Edm.TypeUsage
Public Function GetResultType () As TypeUsage



A TypeUsage value that contains information about the result type of the query.


This example is based on the Microsoft SQL Server Product Samples: Database. The example creates an ObjectQuery<T> of type DbDataRecord and uses GetResultType to determine whether the type returned represents a row.

using (AdventureWorksEntities context =
    new AdventureWorksEntities())
    string queryString = @"SELECT VALUE product "
    + "FROM AdventureWorksEntities.Products AS product";
    ObjectQuery<DbDataRecord> query =
        new ObjectQuery<DbDataRecord>
            (queryString, context);

    TypeUsage type = query.GetResultType();
    if (type.EdmType is RowType)
        RowType row = type.EdmType as RowType;
        foreach (EdmProperty column in row.Properties)
            Console.WriteLine("{0}", column.Name);
Using context As New AdventureWorksEntities()
    Dim queryString As String = "SELECT VALUE product " & "FROM AdventureWorksEntities.Products AS product"
    Dim query As New ObjectQuery(Of DbDataRecord)(queryString, context)

    Dim type As TypeUsage = query.GetResultType()
    If TypeOf type.EdmType Is RowType Then
        Dim row As RowType = TryCast(type.EdmType, RowType)
        For Each column As EdmProperty In row.Properties
            Console.WriteLine("{0}", column.Name)
    End If
End Using

Applies to

See also