To read a XML file in vb.net

Posted Date: 21 Aug 2008	Resource Type: Articles	Category: General
Author: D.Jeya kumar(JK)	Member Level: Diamond
Rating:	Points: 7

To read a XML file

Sample XML file

<?xml version="1.0" encoding="utf-8"?>
<ConfigValues>
<add key="test1" value="test" />
<add key="Path" value="C:\" />
<add key="Emptynode" value="" />
</ConfigValues>

To get the node value of test you need to call the function like the below line

To_GetValueOfNode(“test1”)

Public Function To_GetValueOfNode(ByVal StrNodeKeyName As String) As String
Try
Dim strstrNameAttribute As String = ""
Dim strValueArrtibute As String = ""
Dim strusername As String = ""
Dim xtReader As XmlTextReader

xtReader = New XmlTextReader(“Path of the XML file”)

xtReader.WhitespaceHandling = WhitespaceHandling.None
'read the xml declaration and advance to family tag
xtReader.Read()

'Load the Loop
While Not xtReader.EOF
xtReader.Read()
'if not start element exit while loop
If Not xtReader.IsStartElement() Then
Exit While
End If
'Values from Admin option xml
strstrNameAttribute = xtReader.GetAttribute("key")
strValueArrtibute = xtReader.GetAttribute("value")
If Not strstrNameAttribute Is Nothing Then
If strstrNameAttribute.ToLower() = StrNodeKeyName.ToLower() Then
Exit While
End If

Else
strValueArrtibute = ""
End If
End If
End While
XTReader.Close()
Return strValueArrtibute
Catch ex As Exception
Throw ex
End Try
Return Nothing
End Function

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