DbExpressionBuilder.GetRefKey(DbExpression) Method
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Creates a new DbRefKeyExpression that retrieves the key values of the specified reference in structural form.
public:
[System::Runtime::CompilerServices::Extension]
static System::Data::Common::CommandTrees::DbRefKeyExpression ^ GetRefKey(System::Data::Common::CommandTrees::DbExpression ^ argument);
public static System.Data.Common.CommandTrees.DbRefKeyExpression GetRefKey (this System.Data.Common.CommandTrees.DbExpression argument);
static member GetRefKey : System.Data.Common.CommandTrees.DbExpression -> System.Data.Common.CommandTrees.DbRefKeyExpression
<Extension()>
Public Function GetRefKey (argument As DbExpression) As DbRefKeyExpression
- argument
- DbExpression
The expression that provides the reference. This expression must have a reference Type with an Entity element type.
A new DbRefKeyExpression that retrieves the key values of the specified reference.
argument
is null.
argument
does not have a reference result type.
Produkt | Versjoner |
---|---|
.NET Framework | 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
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