'宣言 Protected Friend Overloads Overridable Function CreateStringExpression(Of TDataObjectType)( _ ByVal fieldName As String, _ ByVal booleanStringExpression As Expression(Of Func(Of String,Boolean)) _ ) As Expression(Of Func(Of TDataObject,Boolean))
protected internal virtual Expression<Func<TDataObject,bool>> CreateStringExpression<TDataObjectType>( string fieldName, Expression<Func<string,bool>> booleanStringExpression )