Gridview prblom

Question

<asp:GridView ID="GridView1" AutoGenerateColumns="False" RowHeaderColumn="false" runat="server" BackColor="White" BorderColor="#999999" BorderStyle="None" BorderWidth="1px" CellPadding="3" GridLines="Vertical">

<AlternatingRowStyle BackColor="#DCDCDC" />

<Columns>

<asp:TemplateField>

<HeaderTemplate>

<tr class="gvHeader">

<th></th>

<th colspan="2">2014</th>

<th colspan="2">2015</th>

</tr>

<tr class="gvHeader">

<th>Description</th>

<th>Qty</th>

<th>Amount</th>

<th>Qty</th>

<th>Amount</th>

</tr>

</HeaderTemplate>

<ItemTemplate>

<td align="right"><asp:Label ID="LblQty2014" runat="server" Text='<%#Eval("Qty2014", "{0:N0}") %>' /></td>

<td align="right"><asp:Label ID="LblAmount2014" runat="server" Text='<%#Eval("Amount2014", "{0:N0}") %>' /></td>

<td align="right"><asp:Label ID="LblQty2015" runat="server" Text='<%#Eval("Qty2015", "{0:N0}") %>' /></td>

<td align="right"><asp:Label ID="LblAmount2015" runat="server" Text='<%#Eval("Amount2015", "{0:N0}") %>' /></td>

</ItemTemplate>

</asp:TemplateField>

</Columns>

</asp:GridView>

 

 

am wirting above code but grid view shwoing error data bound move one row some one help