VB.NET: confusing with various terms in XML

[toytoy]

Hi

Say i am using XmlTextReader and XmlTextWriter to read and write my data to xml files....

now i want to create a class to check whether various node of xml tags is being create....

if not create, create a new one....if create i will use XmlTextWriter to write the data and append to the file...

Can i use XmlTextReader and XmlTextWriter to check the nodes.....if can how?

i also saw most of examples use XmlDocument to check and append the data instead of XmlTextWriter and XmlTextReader...

So i try to use XmlDocument with XmlTextWriter and XmlTextReader......i find that XmlDocument is a seperate method, different from XmlTextWriter and XmlTextReader...

Can i use all three methods together...

what is your sugguestion?

Thanks