Imports System.Xml
Imports System.Data

Public Class Form1
    Dim dt As DataTable
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim ds As New DataSet
        dt = New DataTable()
        dt.Columns.Add(New DataColumn("Product_ID", Type.GetType("System.Int32")))
        dt.Columns.Add(New DataColumn("Product_Name", Type.GetType("System.String")))
        dt.Columns.Add(New DataColumn("product_Price", Type.GetType("System.Int32")))
        fillRows(1, "product1", 1111)
        fillRows(2, "product2", 2222)
        fillRows(3, "product3", 3333)
        fillRows(4, "product4", 4444)
        ds.Tables.Add(dt)
        ds.Tables(0).TableName = "product"
        ds.WriteXml("Product.xml")
        MsgBox("Done")
    End Sub

    Private Sub fillRows(ByVal pID As Integer, ByVal pName As String, ByVal pPrice As Integer)
        Dim dr As DataRow
        dr = dt.NewRow()
        dr("Product_ID") = pID
        dr("Product_Name") = pName
        dr("product_Price") = pPrice
        dt.Rows.Add(dr)
    End Sub
End Class