ASP.NET (C#) ช่วยหน่อยครับเกี่ยวกับการ Merge Cell ใน GridView

    <asp:Repeater id="myRepeater" runat="server">
	<HeaderTemplate>
		<table border="1">
			<tr>
				<th>CustomerID</th>
				<th>Name</th>
				<th>Email</th>
				<th>CountryCode</th>
				<th>Budget</th>
				<th>Used</th>
			</tr>
	</HeaderTemplate>
	<ItemTemplate>
		<tr>
			<td align="center"><asp:Label id="lblCustomerID" runat="server"></asp:Label></td>
			<td><asp:Label id="lblName" runat="server"></asp:Label></td>
			<td><asp:Label id="lblEmail" runat="server"></asp:Label></td>
			<td align="center"><asp:Label id="lblCountryCode" runat="server"></asp:Label></td>
			<td align="right"><asp:Label id="lblBudget" runat="server"></asp:Label></td>
			<td align="right"><asp:Label id="lblUsed" runat="server"></asp:Label></td>
		</tr>			
	</ItemTemplate>
	<AlternatingItemTemplate>
		<tr bgcolor="#e8e8e8">
			<td align="center"><asp:Label id="lblCustomerID" runat="server"></asp:Label></td>
			<td><asp:Label id="lblName" runat="server"></asp:Label></td>
			<td><asp:Label id="lblEmail" runat="server"></asp:Label></td>
			<td align="center"><asp:Label id="lblCountryCode" runat="server"></asp:Label></td>
			<td align="right"><asp:Label id="lblBudget" runat="server"></asp:Label></td>
			<td align="right"><asp:Label id="lblUsed" runat="server"></asp:Label></td>
		</tr>			
	</AlternatingItemTemplate>
	<FooterTemplate>
			<!--
			<tr>
				<th>CustomerID</th>
				<th>Name</th>
				<th>Email</th>
				<th>CountryCode</th>
				<th>Budget</th>
				<th>Used</th>
			</tr>
			-->
		</table>
	</FooterTemplate>
	</asp:Repeater>