请帮我...... 这是我的寄存器标记: <%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %> 我把这个文本框，这样压延控制{C}我得到这个错误The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>).
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>).