IsDBNull

This is probably a simple question but i'm having trouble with Null Values from a Querystring. This data is being pulled from a Dataset.
Conversion from type 'DBNull' to type 'Date' is not valid.

 Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If (Not String.IsNullOrEmpty(Request.QueryString("OrderID"))) Then
            Me.lblOrderId.Text = Request.QueryString("OrderID")
        End If
 Dim order As New artemailformdata.OrdersDataTable()
        Dim orderAdapater As New artemailformdataTableAdapters.OrdersTableAdapter()
        order = orderAdapater.GetData(Convert.ToInt32(Request.QueryString("OrderId")))
  If order.Count <> 0 Then
lblInHands.Text = order.Item(0).InHands
            lblFADC.Text = order.Item(0).FrontArtDC
End If
End Sub

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