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Your Web site processes book orders. One of the application methods contains the following code segment.Dim doc As New XmlDocument( )doc.LoadXml("10" &_"Dictionary")You need to remove the discount element from XmlDocument. Which two code segments can you use to achieve this goal? ()

发布日期:2020-04-10

Your Web site processes book orders. One of the ap...
A

Dim root As XmlNode = doc.DocumentElementroot.RemoveChild(root.FirstChild)

B

Dim root As XmlNode = doc.DocumentElementroot.RemoveChild(root.SelectSingleNode(discount))

C

doc.RemoveChild(doc.FirstChild)

D

doc.DocumentElement.RemoveChild(doc.FirstChild)

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