'宣言 Protected Friend Overridable Function CreateGreaterThanOrEqualsExpression(Of TDataObjectType)( _ ByVal fieldName As String, _ ByVal value As Object _ ) As Expression(Of Func(Of TDataObject,Boolean))
protected internal virtual Expression<Func<TDataObject,bool>> CreateGreaterThanOrEqualsExpression<TDataObjectType>( string fieldName, object value )