xml generation in c#

[bujjai]

please help me i have dataset which has the textboxes value now what i need is it should store automatically in xml and from this xml i have read the xml and populate the textboxes value into other websites textboxes by searching the keyword first name ,country and place the values of this textboxes from my xml to otherwebsites textboxes.please let me know i can place my data to other website page.please help me

ds.Tables("dummy").Rows.Add(myRow)
GridView1.DataSource = ds.Tables("dummy").DefaultView
GridView1.DataBind()

Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles BtnFill.Click

strFstNm = txtFstNm.Text
strSndNm = TxtSndNm.Text
strCntry = txtCntry.Text
strCity = txtCity.Text
strAdd = txtAddr.Text

Dim ds As New DataSet()
Dim dt As New DataTable("dummy")
Dim myRow As DataRow
dt = getdata(dt)

ds.Tables.Add(dt)
myRow = dt.NewRow
myRow(0) = strFstNm
myRow(1) = strSndNm
myRow(2) = strCntry
myRow(3) = strCity
myRow(4) = strAdd
ds.Tables("dummy").Rows.Add(myRow)
GridView1.DataSource = ds.Tables("dummy").DefaultView
GridView1.DataBind()

End Sub

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load


End Sub

Function getdata(ByVal dt As DataTable) As DataTable

dt.Columns.Add("First Name")
dt.Columns.Add("Last Name")
dt.Columns.Add("Country")
dt.Columns.Add("City")
dt.Columns.Add("Address")
Return dt

End Function