<%@ Register Src="~/SysManage/RoleManage/RoleUserControl.ascx" TagName="RoleUserControl" TagPrefix="ruc1" %>
SysManage_RoleManage_RoleUserControl roleUserControl = LoadControl(@"RoleUserControl.ascx") as SysManage_RoleManage_RoleUserControl;
<asp:PlaceHolder ID="PlaceHolder1" runat="server"></asp:PlaceHolder>
PlaceHolder1.Controls.Add(roleUserControl);
转载于:https://www.cnblogs.com/freedom831215/archive/2009/10/03/1577629.html