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Dataset.GetXml( ) returns "A child row has multiple parents" exception

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I've got a situation with a dataset that contains two tables with a many-to-one relationship, and am trying to extract the data in xml format. When I execute the GetXml() method, and exception is thrown telling me that "A child row has multiple parents", and the xml is obviously not generated.

The output I'm expecting is something like this:

Expand|Select|Wrap|Line Numbers
  1. <parent>
  2.     <parentRecnum>1</parentRecnum>
  3.     <childRecnum>1</childRecnum>
  4.     <child>
  5.         <childRecnum>1</childRecnum>
  6.         <description>this child's description</description>        
  7.     </child>
  8. </parent>
  9. <parent>
  10.     <parentRecnum>2</parentRecnum>
  11.     <childRecnum>1</childRecnum>
  12.     <child>
  13.         <childRecnum>1</childRecnum>
  14.         <description>this child's description</description>        
  15.     </child>
  16. </parent>
  17. <parent>
  18.     <parentRecnum>3</parentRecnum>
  19.     <childRecnum>1</childRecnum>
  20.     <child>
  21.         <childRecnum>1</childRecnum>
  22.         <description>this child's description</description>        
  23.     </child>
  24. </parent>
I see absolutely no reason why an xml document could not include the same <child> element under each one of the parent elements, and yet the dataset is telling it can't do it. Any ideas on how to get around this? I know that turning the relationship around would be one way, but the xml would come out backwards and that's not what I'm looking for.

Aug 5 '08 #1
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