connection in xml file in vb.net windows form 2008

[mohammed saleh]

this my function in my windowsapplicat ionform

  Public Function getxml() As String
        Dim connection As String = ""
        Dim xml As New XmlDocument()
        xml.Load("C:\Users\mohammad.CATS\Documents\Visual Studio 2008\Projects\ARtrnc02\ARtrnc02")
        Dim xnf As XmlNode = xml.SelectSingleNode("configuration")
        Dim child As XmlNodeList = xnf.ChildNodes
        For Each c As XmlNode In child
            If TryCast(c, XmlElement).Name = "appsetting" Then
                Dim xnl As XmlNodeList = c.ChildNodes
                For Each xns As XmlNode In xnl
                    Dim xe As XmlElement = DirectCast(xns, XmlElement)
                    If xe.GetAttribute("key") = "constr" Then
                        connection = xe.GetAttribute("value")
                    Else
                        Continue For
                    End If
                Next
            Else
                Continue For
            End If
        Next
        Return connection
    End Function

Error : Could not find file 'C:\Users\moham mad.CATS\Docume nts\Visual Studio 2008\Projects\A Rtrnc02\ARtrnc0 2\bin\Debug\XML File.xml'.

how can I do know pleas give coe connection xml in my vb.net eindows application 2008