How to deal with empty element using ReadXML
below is a very simple XML file. I use ReadXml to read data. When it reaches an empty element as <Product /> below, my program crashes. The error: System.NullReferenceException: Object reference not set to an instance of an object. How can I assign a value to this empty element? Thanks Bill --------------------- - <Inventory Type="Physical"> <Product /> <TankNumber>0031022207-1</TankNumber> <UserDefinedTag>0</UserDefinedTag> <DateTime>2007-07-11T03:52:00</DateTime> <Volume>0</Volume> <Ullage>1005</Ullage> <Height>0</Height> <WaterHeight>0</WaterHeight> <DaystoEmpty>0</DaystoEmpty> </Inventory>
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* Bill Nguyen wrote in microsoft.public.dotnet.xml: >below is a very simple XML file. >I use ReadXml to read data. >When it reaches an empty element as <Product /> below, my program crashes. >The error: >System.NullReferenceException: Object reference not set to an instance of an >object. > >How can I assign a value to this empty element? That would be the wrong solution for the problem. You have to rewrite your code so that the exception does not occur. Some part of your code assumes all elements (or the Product element specifically) have some children, you need to remove that assumption. -- Bj�rn H�hrmann � mailto:bjoern@hoehrmann.de � http://bjoern.hoehrmann.de Weinh. Str. 22 � Telefon: +49(0)621/4309674 � http://www.bjoernsworld.de 68309 Mannheim � PGP Pub. KeyID: 0xA4357E78 � http://www.websitedev.de/
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