日期:2014-05-17  浏览次数:20785 次

You can only have one <head runat="server"> control on a page
运行时候 提示
You can only have one <head runat="server"> control on a page
前台:
<tr id="tr1" runat="server" >
             <td colspan="3">
                    <table width="100%">
                        <tr>
                            <td align="left">
                                <asp:Panel ID="p1" runat="server">
                                <asp:LinkButton ID="show" runat="server" Text="查看申请单"  CssClass="LinkNormal" />
                                </asp:Panel>
                            </td>
                        </tr>
                        <tr >
                            <td >
                                <asp:Panel  ID ="p2" runat="server"> 
                                </asp:Panel>   &nbsp; &nbsp;
                                <cc1:CollapsiblePanelExtender id="CollapsiblePanelExtender1" runat="server"
                                TargetControlID="p2"
                                ExpandControlID="p1"
                                CollapseControlID="p1"
              &nb