Check Nothing for attribute getting : XML Attribute « XML « VB.Net






Check Nothing for attribute getting

 


Imports System
Imports System.Xml
Imports System.Xml.XPath

Public Class MainClass

    Public Shared Sub Main()
        Dim root As XElement = <Root Att1="attribute 1 content" Att2="2"/>
        
        Dim att1 As XAttribute = root.Attribute("Att1")
        Dim v1 As String
        If att1 Is Nothing Then
            v1 = Nothing
        Else
            v1 = att1.Value
        End If
        
        Console.WriteLine("v1:{0}", IIf(v1 Is Nothing, "attribute does not exist", v1))


    End Sub

End Class

   
  








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