Code not populating from xml after changing

Question

In my asp.net code there is a xml data reader where the values from xml has been picked and put it in the variable in the code.

I have recently changed the values in the xml file

But my code still taking the previous values instead of the new one.

please help me

Code as below:

xmlData.ReadXml(Server.MapPath("./App_Data/EmailAd.xml"))

        Dim dv As DataView
        dv = xmlData.Tables(0).DefaultView

        If (storeSelected()) Then
            dv.RowFilter = "WorkUnit = 'SRE'"
        ElseIf (regionSelected()) Then
            dv.RowFilter = "WorkUnit = 'REGN'"
        ElseIf (areaSelected()) Then
            dv.RowFilter = "WorkUnit = 'ARA'"
        ElseIf (headofficeSelected()) Then
            dv.RowFilter = "WorkUnit = 'HEACE'"
        End If

        Dim txt_toAddress As String = dv(0)("ToAddress").ToString()
        Dim txt_fromAddress As String = dv(0)("FromAddress").ToString()

Value in the txt_toAddress is wrong and txt_fromAddress is right