使用.Ascx文件(webusercontrol)创建左侧"菜单，而在内部Ascx.cs文件中编写数据库操作

Use .Ascx files(webusercontrol) to create the Left menu and Inside Ascx.cs file write the data base actions

<asp:Menu ID="Menu1" DataSourceID="xmlDataSource" runat="server"

            DynamicHorizontalOffset="2" StaticSubMenuIndent="10px" Width="145px"

        OnMenuItemClick="Menu1_MenuItemClick" >

          <DataBindings>
            <asp:MenuItemBinding DataMember="MenuItem"

             TextField="Text" ToolTipField="ToolTip" />
       
       </asp:Menu>

您必须使用xmlDataSource(.xsl文件)列出菜单

You have to use xmlDataSource (.xsl file) to list menus