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