Code snippet for writing xml file from Dataset in vb.net

Private Sub WriteXML_fromDS()

Dim Conn As New SqlClient.SqlConnection("Put here your Connection string")

Dim StrQuery As String = "Your select query"

Conn.Open()

Dim ds As New DataSet

Dim dadapter As New SqlClient.SqlDataAdapter("select * from sales ", Conn)

dadapter.Fill(ds)

ds.WriteXml("put xml file path with file name")

Conn.Close()

End Sub